US Patent Class 422
CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING




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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  PROCESS DISINFECTING, PRESERVING, DEODORIZING, OR STERILIZING
2  DF  .~ Step of warning or decreasing hazard of process
3  DF  .~ Process control in response to analysis
4  DF  .~ A gas is substance acted upon
5  DF  .~ Deodorizing
6  DF  .~ Affecting structure, article, etc., submerged in marine environment
7  DF  .~ Maintaining environment nondestructive to metal
8  DF  .~.~ Using protective article (e.g., antitarnish fabric, etc.)
9  DF  .~.~ Using gaseous preservative, preservative added to gaseous phase of environment, or maintaining gaseous phase nondestructive
10  DF  .~.~.~ Manipulating gaseous environment for preservative purpose
11  DF  .~.~.~ Steam environment
12  DF  .~.~ Aqueous acid environment (i.e.,pH << 4.1)
13  DF  .~.~ Aqueous alkali environment (i.e., pH >> 8.4)
14  DF  .~.~ Essentially pure water environment
15  DF  .~.~.~ Using organic compound having phosphorus
16  DF  .~.~.~ Using organic nitrogen compound other than ammonium salt
17  DF  .~.~.~ Using organic carboxylic acid or salt thereof
18  DF  .~.~.~ Using inorganic silicon or phosphorus compound
19  DF  .~.~.~ Using heavy metal or compound thereof
20  DF  .~ Using sonic or ultrasonic energy
21  DF  .~ Using microwave energy
22  DF  .~ Using direct contact with electrical or electromagnetic radiation
23  DF  .~.~ In atmosphere other than air
24  DF  .~.~ Ultraviolet
25  DF  .~ Including additional step of preventing damage to sealed container
26  DF  .~ Using direct contact steam to disinfect or sterilize
27  DF  .~.~ And additional disinfecting or sterilizing agent
28  DF  .~ Using disinfecting or sterilizing substance
29  DF  .~.~ In situ generation of agent other than aldehyde or glycol
30  DF  .~.~ And removing the agent by chemical reaction or sorption
31  DF  .~.~ And recovering or reusing the agent
32  DF  .~.~ Treating bulk material
33  DF  .~.~ With positive pressure or vacuum
34  DF  .~.~ Using alkylene oxide
35  DF  .~.~ Using cyanide
36  DF  .~.~ Using aldehyde
37  DF  .~.~ Using halogen or halogen-containing compound
38  DF  .~ Using fluent heat transfer medium other than air
39  DF  .~ By sudden release of pressure
40  DF  .~ Process of storage or protection
41  DF  .~.~ Of liquid
42  DF  .~.~.~ By preventing evaporation
43  DF  .~.~.~.~ Of water
44  DF  BLOOD TREATING DEVICE FOR TRANSFUSIBLE BLOOD
45  DF  .~ Oxygenator
46  DF  .~.~ Including integral heat-exchange means
47  DF  .~.~ Bubble or foam producing
48  DF  .~.~ Membrane
49  DF  INCLUDING MEANS FACILITATING PART REPLACEMENT OR REPAIR OTHER THAN SOLID, EXTENDED SURFACE, FLUID CONTACT MEANS
50  DF  ANALYZER, STRUCTURED INDICATOR, OR MANIPULATIVE LABORATORY DEVICE
51  DF  .~ Calorimeter
52  DF  .~ Chemiluminescent
53  DF  .~ Corrosion tester
54  DF  .~ Flame ionization detector
55  DF  .~ Structured visual or optical indicator, per se
56  DF  .~.~ Having reagent in absorbent or bibulous substrate
57  DF  .~.~ Having coated reagent
58  DF  .~.~ In holder or container having special form
59  DF  .~.~.~ Column
60  DF  .~.~.~.~ Having plural-layered material
61  DF  .~ Test package or kit
62  DF  .~ Automatic analytical monitor and control of industrial process
63  DF  .~ Sample mechanical transport means in or for automated analytical system
64  DF  .~.~ Means is turntable (circular)
65  DF  .~.~ Means is conveyor and rack
66  DF  .~.~ Means is moving tape or band
67  DF  .~.~ With specific analytical program control means
68.1  DF  .~ Means for analyzing liquid or solid sample
69  DF  .~.~ Sorption testing
70  DF  .~.~.~ Liquid chromatography
71  DF  .~.~.~ With radioactive material
72  DF  .~.~ Including centrifuge
73  DF  .~.~ With coagulometer for agglutination, clotting, or prothrombin, or for particle (e.g., cell, etc.) counting, or volume or characteristics determination
74  DF  .~.~ Dairy tester
75  DF  .~.~ Including titrator
76  DF  .~.~.~ Conductiometric type
77  DF  .~.~.~.~ With integrating or differentiating means
78  DF  .~.~ Including means for pyrolysis, combustion, or oxidation
79  DF  .~.~.~ Biological, chemical, or total oxygen demand (i.e., BOD, COD, TOD)
80  DF  .~.~.~ And means directly analyzing evolved gas
81  DF  .~.~ Automated system with sample fluid pressure transport means
82  DF  .~.~.~ And means segmenting fluid material
82.01  DF  .~.~ Measuring electrical property
82.02  DF  .~.~.~ Resistance or conductivity
82.03  DF  .~.~.~ Ion selective electrode
82.04  DF  .~.~.~.~ Dissolved gas
82.05  DF  .~.~ Measuring optical property by using ultraviolet, infrared, or visible light
82.06  DF  .~.~.~ Optode or optrode
82.07  DF  .~.~.~.~ Fluorescence
82.08  DF  .~.~.~ Fluorescence
82.09  DF  .~.~.~ Absorbance or transmittance
82.11  DF  .~.~.~ Waveguides
82.12  DF  .~.~ Measuring temperature
82.13  DF  .~.~ Measuring pressure
83  DF  .~ Means for analyzing gas sample
84  DF  .~.~ Breath tester
85  DF  .~.~.~ Based on color change
86  DF  .~.~ Including means reacting gas with color indicator
87  DF  .~.~.~ Strip indicator
88  DF  .~.~ Including means for adsorbing or absorbing gas into or onto liquid or solid media
89  DF  .~.~.~ Gas chromatography
90  DF  .~.~.~ With conductiometric detector
91  DF  .~.~.~ With photometric detector
92  DF  .~.~.~ With volumetric detector
93  DF  .~.~ Including means dividing sample stream into plural parallel segments having diverse treating means and the analytical result compared or combined
94  DF  .~.~ Combustible gas detector
95  DF  .~.~.~ With thermoelectric detector
96  DF  .~.~.~.~ Wheatstone bridge
97  DF  .~.~.~.~.~ With specific coating on bridge element
98  DF  .~.~ Analysis based on electrical measurement
99  DF  .~ Miscellaneous laboratory apparatus and elements, per se
100  DF  .~.~ Pipette or other volumetric fluid transfer means
101  DF  .~.~ Including means for separating a constituent; e.g., filter, condenser, extractor, etc.
102  DF  .~.~ Container
103  DF  .~.~ Valve or connector structure
104  DF  .~.~ Holder, support, housing, or hood
105  DF  CONTROL ELEMENT RESPONSIVE TO A SENSED OPERATING CONDITION
106  DF  .~ Responsive to liquid level
107  DF  .~ Control element directly mechanically linked to separate sensor
108  DF  .~ Control element responds proportionally to a variable signal from a sensor
109  DF  .~.~ Controls heat transfer
110  DF  .~.~ Controls flow rate of a material to or from a contact zone
111  DF  .~.~.~ Material is an input to contact zone
112  DF  .~ Control element is fluid pressure sensitive
113  DF  .~.~ Pressure-relief valve (e.g., pop-off valve) or check valve
114  DF  .~ Control element is a binary responsive valve
115  DF  .~.~ Valve diverts flow from a contact zone
116  DF  .~ Sensed condition is operating time and control is operation sequencer
117  DF  WITH SAFETY FEATURE
118  DF  .~ Preventing opening of closure of pressurized apparatus at unsafe pressure
119  DF  WITH INDICATING, SIGNALLING, RECORDING, SAMPLING, OR INSPECTION MEANS
120  DF  FOR DEODORIZING OF, OR CHEMICAL PURIFICATION OF, OR GENERATION OF, LIFE-SUSTAINING ENVIRONMENTAL GAS
121  DF  .~ With means exposing gas to electromagnetic wave energy or corpuscular radiation
122  DF  .~ Including solid, extended surface, fluid contact reaction means (e.g., Raschig rings, particulate or monolithic catalyst, etc.)
123  DF  .~ Including means adding material into environmental gas
124  DF  .~.~ And mechanical means creating forced draft at addition site
125  DF  .~.~ With material-heating means
126  DF  .~.~.~ Material is combusted
127  DF  SHOCK OR SOUND WAVE
128  DF  .~ Including supersonic or ultrasonic energy generation means
129  DF  CHEMICAL REACTOR
129.1  DF  .~ Soap making
130  DF  .~ Bench scale
131  DF  .~ Organic polymerization
132  DF  .~.~ Closed loop
133  DF  .~.~ Generating foamed plastic
134  DF  .~.~ Including plural sequential reaction stages
135  DF  .~.~ Including reactant agitating means in reaction chamber
136  DF  .~.~.~ And means rotatably mounting reaction chamber
137  DF  .~.~.~ Horizontal reaction chamber with screw or worm agitator
138  DF  .~.~ With heat exchanger for reaction chamber or reactants located therein
139  DF  .~ Fluidized bed
140  DF  .~.~ With liquid present
141  DF  .~.~ Plural reaction beds
142  DF  .~.~.~ Sequentially arranged
143  DF  .~.~ Including specific wind box or particulate matter support grid
144  DF  .~.~ Including means to strip reaction mass from, or to regenerate, the particulate matter (including fluidized bed regenerators, per se)
145  DF  .~.~ And means providing flow of particulate matter into or out of reaction chamber
146  DF  .~.~ With heat exchange means affecting reaction chamber or reactants located therein
147  DF  .~.~ And means mechanically separating and removing particulate bed material from fluid effluent
148  DF  .~ Ammonia synthesizer
149  DF  .~ With means simultaneously carrying out conjugated reactions within single reactor
150  DF  .~ Pigment or carbon black producer
151  DF  .~.~ With means injecting quench stream into reaction chamber downstream of reaction site
152  DF  .~.~ With particulate product collecting surface and means mechanically removing product therefrom
153  DF  .~.~.~ Moving collecting surface
154  DF  .~.~.~.~ Rotary collecting surface
155  DF  .~.~.~.~.~ Disk or plate
156  DF  .~.~ With plural sequential reaction zones or chambers
157  DF  .~.~.~ With movably or removably mounted plug means for converting reactor from (N) to (N+1) reaction stages
158  DF  .~.~ Vapor phase reaction type
159  DF  .~ For radioactive reactant or product
160  DF  .~ Inorganic sulfur acid or anhydride producing type
161  DF  .~.~ Acid is final product
162  DF  .~ Inorganic hydrator
163  DF  .~ Explosives synthesizer
164  DF  .~ Solid reactant type (i.e., absence of fluid reactants)
165  DF  .~.~ Including ignition means for reactant
166  DF  .~.~.~ Electrically actuated
167  DF  .~.~ Including reactor cooling means surrounding reactor
168  DF  .~ Waste gas purifier
169  DF  .~.~ Including means providing sequential purification stages
170  DF  .~.~.~ Plural chemical reaction stages
171  DF  .~.~.~.~ Solid, extended surface, fluid contact type
172  DF  .~.~.~.~ And means downstream of a stage for injecting a reactant into waste gas for interreaction in subsequent stage
173  DF  .~.~ With heat exchanger for reaction chamber or reactants located therein
174  DF  .~.~.~ Electrical type
175  DF  .~.~.~ Regenerative heat sink
176  DF  .~.~ Including waste gas flow distributor upstream of reaction site and within reaction chamber modifying velocity profile of gas
177  DF  .~.~ Including solid, extended surface, fluid contact reaction means; e.g., inert Raschig rings, particulate absorbent, particulate or monolithic catalyst, etc.
178  DF  .~.~.~ And contact regenerating means or means for cleaning an internal surface of the reaction chamber
179  DF  .~.~.~ Fixed bed with resilient or differential thermal expansion compensating bed support means
180  DF  .~.~.~ Unitary (i.e., nonparticulate) contact bed (e.g., monolithic catalyst bed, etc.)
181  DF  .~.~.~ Fixed annularly shaped bed of contact material and means directing gas therethrough substantially perpendicular to longitudinal axis of bed
182  DF  .~.~ Including means injecting combustion fuel into reaction chamber in direct contact with waste gas
183  DF  .~.~.~ And means mixing combustion fuel with waste gas upstream of reaction site
184.1  DF  .~ For chemically destroying or disintegrating solid waste, other than burning alone
185  DF  .~ For chemical recovery of chemicals from waste paper making liquor
186  DF  .~ With means applying electromagnetic wave energy or corpuscular radiation to reactants for initiating or perfecting chemical reaction
186.01  DF  .~.~ Magnetic
186.02  DF  .~.~.~ Object protection
186.03  DF  .~.~.~ With electrical discharge
186.04  DF  .~.~ Electrostatic field or electrical discharge
186.05  DF  .~.~.~ Treating surface of solid substrate
186.06  DF  .~.~.~.~ Surface is metal
186.07  DF  .~.~.~ Ozonizers
186.08  DF  .~.~.~.~ With preparatory or product-treating means
186.09  DF  .~.~.~.~.~ With drying means
186.1  DF  .~.~.~.~.~ With filtering or particle removal means
186.11  DF  .~.~.~.~.~ With cooling, compression, condensation, or liquefying means
186.12  DF  .~.~.~.~ With subsequent use means
186.13  DF  .~.~.~.~ With electrode moving means
186.14  DF  .~.~.~.~ With fluent reactant flow control means
186.15  DF  .~.~.~.~ With current control or special electrical supply means
186.16  DF  .~.~.~.~.~ With pulse generating means
186.18  DF  .~.~.~.~ Cylindrical electrode
186.19  DF  .~.~.~.~.~ With heating or cooling means
186.2  DF  .~.~.~.~ With heating or cooling means
186.21  DF  .~.~.~ Arc or spark discharge means
186.22  DF  .~.~.~.~ With electrode or reaction space heating or cooling means
186.23  DF  .~.~.~.~ With preparatory or product-treating means
186.24  DF  .~.~.~.~.~ With nitrogen fixation means
186.25  DF  .~.~.~.~.~ With cooling or pressurizing means
186.26  DF  .~.~.~.~ With electrode moving means
186.27  DF  .~.~.~.~.~ With current control means
186.28  DF  .~.~.~.~ With current control means
186.29  DF  .~.~.~ With RF input means
186.3  DD  .~.~ With ultraviolet radiation generating means
187  DF  .~ Combined
188  DF  .~ Including plural reaction stages
189  DF  .~.~ And means providing discrete sequential reaction stages; e.g., train, etc.
190  DF  .~.~.~ Plural solid, extended surface, fluid contact reaction stages each containing; e.g., inert Raschig rings, particulate sorbent, particulate or monolithic catalyst, etc.
191  DF  .~.~.~.~ Superimposed reaction stages in single reaction chamber
192  DF  .~.~.~.~ At least one reaction stage formed of fixed, annularly shaped bed of contact material and means directing reaction stream therethrough substantially perpendicular to longitudinal axis of bed
193  DF  .~.~.~ Reaction stages located within single reaction chamber
194  DF  .~.~.~.~ And means downstream of a stage for internally injecting a reactant into a reaction stream for interreaction in a subsequent stage, or injecting an internal quench stream into reaction stream passing between stages
195  DF  .~.~.~.~ Means within reaction chamber redistributing reaction stream as it passes between adjacent stages
196  DF  .~.~ Including plural parallel reaction stages with each stage in form of a reaction tube
197  DF  .~.~.~ Tubular stages in single reaction chamber
198  DF  .~ Including heat exchanger for reaction chamber or reactants located therein
199  DF  .~.~ Electrical type
200  DF  .~.~ Indirect heat-exchange tube within reaction chamber with a nonreactant heat-exchange fluid passing therethrough
201  DF  .~.~.~ Tube and shell type
202  DF  .~.~ Heat-exchange jacket surrounding reaction chamber
203  DF  .~.~.~ Including fluid-transfer means connecting chamber to heat-exchange jacket
204  DF  .~.~.~ Means associated with jacket providing combustion gas as heat-exchange medium
205  DF  .~.~.~ Including baffle or stirring means disposed within jacket or chamber, the baffle means within chamber connected directly to wall thereof
206  DF  .~.~ Regenerative heat sink
207  DF  .~.~ Means injecting internal quench stream into reaction stream downstream of reaction stage
208  DF  .~.~ Apparatus operates at positive pressure
209  DF  .~ Including means rotating reaction chamber during use
210  DF  .~.~ And means wiping or scraping interior surface of reaction chamber
211  DF  .~ Including solid, extended surface, fluid contact reaction means; e.g., inert Raschig rings, particulate absorbent, particulate or monolithic catalyst, etc.
212  DF  .~.~ With means removing and recovering product from extended surface contact material
213  DF  .~.~ Particulate contact material type and means providing flow of particulate material into or out of reaction chamber with reactants or products
214  DF  .~.~.~ Transfer line type reaction chamber
215  DF  .~.~.~ And internal mixing means
216  DF  .~.~ Compact bed of particulate, fluid contact material and means providing gravity flow of material within bed
217  DF  .~.~ And means upstream of extended surface, fluid contact means removing particulate impurities from reactant stream
218  DF  .~.~ Fixed annularly shaped bed of contact material and means directing reactant therethrough substantially perpendicular to longitudinal axis of bed
219  DF  .~.~ And means loading contact material into, or unloading contact material from, reactor or means providing internal contact material reservoir
220  DF  .~.~ And reactant flow distributor upstream of contact means and within reaction chamber modifying velocity profile of reactant flow
221  DF  .~.~ Fixed contact bed type with resilient or differential thermal expansion compensating bed support means
222  DF  .~.~ Unitary (i.e., nonparticulate) contact bed, (e.g., monolithic catalyst bed, etc.)
223  DF  .~.~ With contact material regenerating means, per se, or combined with reactor
224  DF  .~ Including internal mixing or stirring means
225  DF  .~.~ Mechanical type stirring means
226  DF  .~.~.~ In positive pressure reactor
227  DF  .~.~.~ Including a draft tube for internal recirculation
228  DF  .~.~.~ Including flow directing baffle attached directly to reaction chamber wall
229  DF  .~.~.~ Longitudinally extending spiral stirring means
230  DF  .~.~ Thermosyphon or differential density mixing means; e.g., means internally recycling reaction mass via differential density pumping, etc.
231  DF  .~.~.~ Gas sparger type mixing means submerged in liquid reactant
232  DF  .~ Including solid reactant and means charging solids into, or dischanging solids from, reaction chamber
233  DF  .~.~ Having both charge and discharge means along with means conveying solids therebetween located within reaction chamber
234  DF  .~ Including external recycle loop
235  DF  .~.~ And means heating or cooling loop or reaction mass located therein
236  DF  .~ Including means separating reaction chamber into plural reactant-containing compartments and means moving reactant therebetween
237  DF  .~.~ Movably mounted container-type separating means and means moving same
238  DF  .~.~ Solid reactant containing perforated or porous container-type separating means
239  DF  .~ Reaction chamber includes at least one perforated, porous, or semipermeable wall and is adapted for holding solid reactant
240  DF  .~ Including specific material of construction
241  DF  .~.~ Reactor liner
242  DF  .~ Positive pressure type
243  DF  PHYSICAL TYPE APPARATUS
244  DF  .~ Including serially disposed vaporizing heating means (sublimer) and solid material deposition means maintained at a temperature lower than said heating means (condenser)
245.1  DF  .~ Crystallizer
250.1  DF  .~.~ Crucible-free zone refiner
251  DF  .~.~ Including means separating and conveying crystals to a melting zone
252  DF  .~.~ Hydraulic classifier with crystallizer
253  DF  .~.~ Including feed compartment for introducing nutrient
254  DF  .~.~ Movable crystallizer or scraping means
255  DF  .~ Means separating or dissolving a material constituent
256  DF  .~.~ Liquid-liquid contact means
257  DF  .~.~.~ Including pulsator, adjustable plates, or plural inlets; e.g., spraying, etc.
258  DF  .~.~.~ Including rotating chamber or rotating member within chamber; e.g., mixer-settler, etc.
259  DF  .~.~.~.~ Having rotating member within chamber
260  DF  .~.~.~ Including heating and cooling means
261  DF  .~.~ Liquid-solid contact means
262  DF  .~.~.~ Sulfur extraction
263  DF  .~.~.~ Including monolithic nonporous body of solute
264  DF  .~.~.~ Including means restricting solvent contact to one end of body of solute
265  DF  .~.~.~ Buoyant holder
266  DF  .~.~.~ Manual or mountable holder; e.g., soap holder, etc.
267  DF  .~.~.~ Including means to remove solids from a filter
268  DF  .~.~.~ Conveyor support for solid material during contact; e.g., bucket, etc.
269  DF  .~.~.~ Including rotating member
270  DF  .~.~.~.~ Member is container
271  DF  .~.~.~.~.~ Including internal rotating member
272  DF  .~.~.~.~.~ Partitions divide container
273  DF  .~.~.~.~ Member conveys material into and out of container; e.g., screw propeller, etc.
274  DF  .~.~.~ Including perforated member which is nonlinear or inclined with respect to the major axis of container
275  DF  .~.~.~ Including parallel perforated members perpendicular to, or parallel to, major axis of container
276  DF  .~.~.~ Side wall of holder perforated
277  DF  .~.~.~.~ Perforations of holder form inlet for solvent
278  DF  .~.~.~ Including plural orifice inlet, or deflector adjacent inlet for solvent flow
279  DF  .~.~.~.~ Having inlet submerged within body of a solid solute
280  DF  .~.~.~ Solvent vapor condenser
281  DF  .~.~.~ Means recirculating solvent
282  DF  .~.~.~ Including bypass
283  DF  .~.~.~ Including dip tube for inlet or outlet of fluid solvent
284  DF  .~.~.~ Internal heater; e.g., steam coil, etc.
285  DF  .~.~ And heating means
286  DF  .~.~.~ Including mechanical comminuting or conveying means
287  DF  .~.~.~.~ Within treating vessel
288  DF  .~.~.~ Including means removing vapor from treated material
289  DF  .~.~.~.~ And direct contact heating fluid means within separating or dissolving chamber vessel
290  DF  .~.~.~.~ And indirect contact heating fluid means in separating or dissolving chamber
291  DF  .~ Combined
292  DF  .~ Apparatus for treating solid article or material with fluid chemical
293  DF  .~.~ Fluid having simultaneous diverse function
294  DF  .~.~ Including flexible or collapsible treating chamber
295  DF  .~.~ Including pressure treating chamber (above ambient)
296  DF  .~.~.~ Fluid pressure maintains closure or seal
297  DF  .~.~.~ And rack, support or handling means
298  DF  .~.~.~ And vaporizer; e.g., boiler, etc.
299  DF  .~.~.~.~ Constituting treating chamber
300  DF  .~.~ Including rack, support or handling means
301  DF  .~.~.~ Apparatus closure operates means immersing article or material in liquid chemical
302  DF  .~.~.~ For treating container or covers therefor
303  DF  .~.~.~.~ Container is inverted
304  DF  .~.~.~.~ Including endless conveyor
305  DF  .~ Including gas generating means
306  DF  .~ Including means for adding a material to a gas
307  DF  .~ Heat treating vessel with heating means
308  DF  .~.~ Including multiple stages
309  DF  .~.~ Including comminuting, kneading, or surface-wiping means interior or vessel
310  DF  ELEMENTS OR ADJUNCTS
311  DF  .~ Bed support means (e.g., support grid or plate for supporting particulate bed of contact material, etc.)
312  DF  .~ Tube element containing extended surface contact reaction means (e.g., a tube internally coated or packed with a catalyst, etc.)
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CROSS-REFERENCE ART COLLECTION RELATING TO SUBCLASSES 1 THROUGH 43
******************************
900  DF  DECREASING POLLUTION OR ENVIRONMENTAL IMPACT
******************************
CROSS-REFERENCE ART COLLECTIONS
******************************
901  DF  POLYMER DISSOLVER
902  DF  SODIUM CHLORIDE AND POTASSIUM CHLORIDE DISSOLVER
903  DF  RADIOACTIVE MATERIAL APPARATUS
904  DF  NITROGEN FIXATION MEANS
905  DF  MISCELLANEOUS LIQUID STERILIZATION MEANS
906  DF  PLASMA OR ION GENERATION MEANS
907  DF  CORONA OR GLOW DISCHARGE MEANS
908  DD  CRUCIBLES [B01L 3/04]
909  DD  CRYSTALLIZING DISHES [B01L 3/06]
910  DD  FLASKS [B01L 3/08]
911  DD  WASH BOTTLES [B01L 3/10]
912  DD  GAS JARS OR CYLINDERS [B01L 3/12]
913  DD  TEST TUBES [B01L 3/14]
914  DD  .~ Specific test tube, per se [B01L 3/14B]
915  DD  .~.~ With identification means, e.g., coded [B01L 3/14B2]
916  DD  .~ Closing or opening means, e.g., corks, bungs [B01L 3/14C]
917  DD  .~.~ With identification means, e.g., coded [B01L3/14C2]
918  DD  .~ Specially adapted for centrifugation [B01L 3/14D]
919  DD  BURETTES; PIPETTES [B01L 3/02]
920  DD  .~ Burettes, i.e., for withdrawing and redistributing liquids through different conduits [B01L 3/02B]
921  DD  .~.~ Plunger type [B01L 3/02B2]
922  DD  .~ Pipettes, i.e., with only one conduit for withdrawing and redistributing liquids [B01L 3/02C]
923  DD  .~.~ Plunger pump type [B01L 3/02C3]
924  DD  .~.~.~ Capillary pipettes, i.e., having a very small bore [B01L 3/02C3C]
925  DD  .~.~.~ Having mechanical strokelength setting means, e.g., movable stops [B01L 3/02C3D]
926  DD  .~.~.~ Details of motor drive means [B01L 3/02C3M]
927  DD  .~.~.~ Having several coaxial pistons [B01L 3/02C3P]
928  DD  .~.~.~ Repeating pipettes, i.e. for dispensing multiple doses from a single charge [B01L 3/02C3R]
929  DD  .~.~.~ Supports for pipettes [B01L 3/02C3S]
930  DD  .~ Drop counters or drop formers [B01L 3/02D]
931  DD  .~ Interchangeable or disposable dispensing tips [B01L 3/02E]
932  DD  .~.~ Cooperating with positive ejection means [B01L 3/02E2]
933  DD  .~.~ Means for supplying or disposing of tips, e.g., racks or cassettes [B01L 3/02E4]
934  DD  .~ Mounted within a receptacle [B01L 3/02F]
935  DD  FLUID TRANSFERRING GLASSWARE [B01L 3/00B]
936  DD  .~ Tubes; conduits [B01L 3/00B2]
937  DD  .~ Joints; seals [B01L 3/00B4]
938  DD  .~ Stopcocks; valves [B01L 3/00B6]
939  DD  CONTAINERS FOR THE PURPOSE OF RETAINING A MATERIAL TO BE ANALYZED [B01L 3/00C]
940  DD  .~ Made of a rigid material [B01L 3/00C2]
941  DD  .~.~ With identification means, e.g., coded [B01L 3/00C2B]
942  DD  .~.~ For multiple samples, e.g., micro-titration plate [B01L 3/00C2D]
943  DD  .~.~.~ Specially adapted for heating or cooling samples [B01L 3/00C2D2]
944  DD  .~ Made of a flexible material [B01L 3/00C4]
945  DD  .~.~ With identification means, e.g., coded [B01L 3/00C4B]
946  DD  .~ With fluid transport, e.g., multi-compartment structure [B01L 3/00C6]
947  DD  .~.~ Using capillary action, including fluid transfer through absorbent matrix [B01L 3/00C6C]
948  DD  .~.~ For multiple samples, e.g., multi-well filtration [B01L 3/00C6D]