 Electronic File Wrappers |  Electronic Patent Documents |  Paper Patent Documents | Current as of: June, 1999
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| DF | CLASS NOTES | |
| * | DD | SYNTHETIC RESINS (Class 520, Subclass 1) |
| 25 | DF | .~ ION-EXCHANGE POLYMER OR PROCESS OF PREPARING |
| 26 | DF | .~.~ Process of regenerating |
| 27 | DF | .~.~ Membrane or process of preparing |
| 28 | DF | .~.~ Previously formed solid ion-exchange polymer admixed with nonreactive material or ion-exchange polymer |
| 29 | DF | .~.~ Polymer characterized by defined size or shape other than bead or pearl |
| 30 | DF | .~.~ Chemically treated solid polymer |
| 31 | DF | .~.~.~ Solid polymer derived from ethylenically unsaturated reactant only |
| 32 | DF | .~.~.~.~ Treated with nitrogen-containing material |
| 33 | DF | .~.~.~.~ Treated with sulfur-containing material |
| 34 | DF | .~.~.~ Solid polymer derived from at least one 1,2-epoxy containing reactant |
| 35 | DF | .~.~.~ Solid polymer derived from aldehyde or derivative |
| 36 | DF | .~.~.~.~ Treated with nitrogen-containing material |
| 37 | DF | .~.~.~.~ Treated with sulfur-containing reactant |
| 38 | DF | .~.~ From ethylenically unsaturated reactant only |
| 39 | DF | .~.~ From aldehyde or derivative |
| 40 | DF | .~ PROCESS OF TREATING SCRAP OR WASTE PRODUCT CONTAINING SOLID ORGANIC POLYMER TO RECOVER A SOLID POLYMER THEREFROM |
| 40.5 | DF | .~.~ Process of treating scrap or waste product containing at least one polymer derived from ethylenic unsaturated monomers only |
| 41 | DF | .~.~.~ Treating rubber (or rubberlike materials) or polymer derived from a monomer having at least two ethylenic unsaturated moieties |
| 41.5 | DF | .~.~.~.~ Treating with organic phosphorus-containing material |
| 42 | DF | .~.~.~.~ Treating with organic nitrogen-containing material |
| 42.5 | DF | .~.~.~.~ Treating with organic chalcogen-containing material |
| 43 | DF | .~.~.~.~.~ Containing organic sulfur |
| 43.5 | DF | .~.~.~.~.~ Containing carboxylic acid or anhydride group |
| 44 | DF | .~.~.~.~.~ Containing hydroxyl group |
| 44.5 | DF | .~.~.~.~ Treating with hydrocarbon or halogenated hydrocarbon material |
| 45 | DF | .~.~.~.~ Treating with steam or water |
| 45.5 | DF | .~.~.~.~ Treating with mechanical action and in the absence of a chemically reactive additive or solvent |
| 46 | DF | .~.~.~ Treating polymer derived from a monomer containing only carbon, hydrogen, and halogen or only carbon and halogen; or treating a polymer which has been derived from at least one hydrocarbon and which has been subsequently halogenated |
| 46.5 | DF | .~.~.~.~ Treating polymer derived from vinyl chloride monomer |
| 47 | DF | .~.~.~ Treating polymer derived from hydrocarbon monomers only |
| 47.5 | DF | .~.~ Treating polysiloxane |
| 48 | DF | .~.~ Treating polyester |
| 48.5 | DF | .~.~.~ Treating with alcohol |
| 49 | DF | .~.~ Treating polyurethane, polyurea (excluding urea-formaldehyde polymers), polyisocyanurate or polycarbodiimide |
| 49.5 | DF | .~.~.~ Treating with alcohol or amine |
| 49.8 | DF | .~.~ Treating polycarbonamide |
| 50 | DF | .~ CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT, E.G., FOAMS, PORES, CHANNELS, ETC. |
| 50.5 | DF | .~.~ Compositions to be polymerized by wave energy in order to prepare a cellular product wherein said composition contains a rate-affecting material; or compositions to be modified by wave energy to prepare a cellular product wherein said composition contains a rate-affecting material; or processes of preparing or treating a solid polymer utilizing wave energy in order to prepare a cellular product |
| 51 | DF | .~.~ Processes of preparing a cellular product having an integral skin |
| 52 | DF | .~.~ Reticulated cellular product or processes of preparing a reticulated cellular product |
| 53 | DF | .~.~ Treating a cellular solid polymer by adding a material thereto which reacts with the polymer or forms a composition therewith, or products of said treating process |
| 54 | DF | .~.~.~ Treating a cellular solid polymer by adding a solid polymer or solid polymer-forming composition |
| 55 | DF | .~.~.~ Treating a cellular solid polymer by adding a material thereto which forms a composition therewith |
| 56 | DF | .~.~ Particle which is expandible, process of preparing an expandible particle, or process of expanding a particle to form a cellular product |
| 57 | DF | .~.~.~ Including step of surface coating a particle or process of expanding a surface coated particle |
| 58 | DF | .~.~.~ Expanding utilizing plural expansion steps |
| 59 | DF | .~.~.~ Expandible system contains two or more solid polymers or at least one solid polymer and at least one polymer-forming system |
| 60 | DF | .~.~.~ Adding expanding agent subsequent to solid polymer formation |
| 61 | DF | .~.~ Process of preparing a cellular product by removal of material from a solid polymer-containing matrix without expanding the matrix; composition which is nonexpandible and is designed to form a cellular product by said process; or process of preparing said composition |
| 62 | DF | .~.~.~ Mixture of solid polymers present during cell formation |
| 63 | DF | .~.~.~ Cellular product-forming process wherein the removable material is present or is produced in situ during the solid polymer formation step |
| 64 | DF | .~.~.~ Removing a liquid to form a cellular product |
| 65 | DF | .~.~ Process of forming a cellular product from an aqueous latex, aqueous dispersion, or aqueous emulsion containing a solid polymer; process of preparing a latex, dispersion, or emulsion containing a solid polymer which is designed to be formed into a cellular product, or composition thereof |
| 66 | DF | .~.~.~ Treating a latex, dispersions, or emulsion containing a solid polymer at 32 degrees F. or below, e.g., freezing, etc. |
| 67 | DF | .~.~.~ Adding -N=C=X material to a latex, dispersion, or emulsion containing a solid polymer |
| 68 | DF | .~.~.~ Adding fibrous material to a latex, dispersion, or emulsion containing a solid polymer |
| 69 | DF | .~.~.~ Latex, dispersion, or emulsion contains an additional solid polymer-forming system |
| 70 | DF | .~.~.~ Latex, dispersion, or emulsion contains two or more solid polymers |
| 71 | DF | .~.~.~ Solid polymer is derived from a conjugated diene monomer |
| 72 | DF | .~.~.~ Utilizing cell forming agent other than air |
| 73 | DF | .~.~ Process of preparing a cellular product of a plastisol of a solid polymer derived solely from ethylenically unsaturated monomers; forming a plastisol of a solid polymer derived solely from an ethylenically unsaturated monomer which is designed to be formed into a cellular product, or composition thereof |
| 74 | DF | .~.~.~ By incorporation of material in gaseous state |
| 75 | DF | .~.~.~ System contains two or more solid polymers or contains at least one solid polymer and at least one polymer-forming system |
| 76 | DF | .~.~ Preparing a cellular product utilizing a stated ingredient which is surface coated or is a discrete solid particle containing a fluid encapsulated therein, processes of forming an expandible composition, containing said stated ingredient or composition therefrom |
| 77 | DF | .~.~ Preparing a cellular product by decomposition of a solid polymer; or process of forming a composition containing a solid polymer which decomposes so as to subsequently form a cellular polymer, or composition therefrom |
| 78 | DF | .~.~ Preparing a cellular product by spraying a solid polymer containing material |
| 79 | DF | .~.~ Extruding a solid polymer containing material to form a cellular product |
| 80 | DF | .~.~.~ Including solid polymer formation in or during extruding step |
| 81 | DF | .~.~.~ System contains a mixture of solid polymer or at least one solid polymer and at least one solid polymer-forming system |
| 82 | DF | .~.~ Process of forming a cellular product subsequent to solid polymer formation in the presence of a stated ingredient, noncellular composition capable of forming a cellular product and containing a stated ingredient, or process of preparing same |
| 83 | DF | .~.~.~ Ingredient is asphaltic, bituminous, or water settable inorganic material, e.g., cement, plaster of Paris, etc. |
| 84.1 | DF | .~.~.~ Ingredient is protein, carbohydrate, or natural resin |
| 85 | DF | .~.~.~ Ingredient contains a boron or phosphorus atom |
| 86 | DF | .~.~.~ Ingredient is organic silicon compound |
| 87 | DF | .~.~.~ Ingredient is aldehyde or ketone |
| 88 | DF | .~.~.~ Ingredient is ether, alcohol, or inorganic alcoholate, e.g., phenol, etc. |
| 89 | DF | .~.~.~ Ingredient contains a sulfur atom |
| 90 | DF | .~.~.~ Ingredient is a heterocyclic compound |
| 91 | DF | .~.~.~ Ingredient contains a silicon atom |
| 92 | DF | .~.~.~ Ingredient contains a metal atom |
| 93 | DF | .~.~.~.~ Metal atom is part of an organic compound |
| 94 | DF | .~.~.~ Ingredient is a nitrogen containing compound |
| 95 | DF | .~.~.~.~ Nitrogen compound contains a nitrogen atom bonded to a nitrogen or oxygen atom |
| 96 | DF | .~.~.~ Ingredient contains an -O-O- group |
| 97 | DF | .~.~.~ Ingredient contains a carbon atom double-bonded to oxygen, e.g., carbon dioxide, carboxylic acid, etc. |
| 98 | DF | .~.~.~ Ingredient contains only C and H atoms, only C and halogen atoms, or only C, H, and halogen atoms |
| 99 | DF | .~.~ Cellular product formation prior to or during solid polymer formation in the presence of a stated ingredient other than water |
| 100 | DF | .~.~.~ Ingredient is water settable inorganic composition |
| 101 | DF | .~.~.~ Ingredient is bituminous or asphaltic material |
| 102 | DF | .~.~.~ Ingredient is a protein containing material |
| 103 | DF | .~.~.~ Ingredient contains a boron atom |
| 104 | DF | .~.~.~.~ Boron trihalide or complex thereof |
| 105 | DF | .~.~.~.~ Boron atom is part of an organic compound |
| 106 | DF | .~.~.~ Ingredient contains a phosphorus atom |
| 107 | DF | .~.~.~.~ Phosphorus atom is part of an organic compound |
| 108 | DF | .~.~.~.~.~ Organic phosphorus compound contains a phosphorus atom bonded to an atom other than oxygen |
| 109.1 | DF | .~.~.~ Ingredient is carbohydrate, or natural resin |
| 110 | DF | .~.~.~ Ingredient contains a silicon atom as part an organic compound |
| 111 | DF | .~.~.~.~ Organic silicon atom compound contains an atom other than oxygen, hydrogen, silicon, or carbon |
| 112 | DF | .~.~.~.~ Organic silicon compound contains an ether group |
| 113 | DF | .~.~.~ Ingredient is aldehyde or ketone |
| 114 | DF | .~.~.~ Ingredient contains a -C-X-C- group wherein X is a chalcogen atom and none of the C atoms bonded to the chalcogen are double-bonded to an additional chalcogen atom |
| 115 | DF | .~.~.~.~ -C-X-C- compound contains a nitrogen atom |
| 116 | DF | .~.~.~.~ -C-X-C- compound contains a -C-XH group wherein X is a chalcogen atom |
| 117 | DF | .~.~.~ Ingredient contains a -C-XH group wherein X is a chalcogen atom and the carbon atom is not double-bonded to a chalcogen atom, phenol, etc. |
| 118 | DF | .~.~.~.~ -C-XH ingredient contains a nitrogen atom |
| 119 | DF | .~.~.~ Ingredient is inorganic halogen containing material |
| 120 | DF | .~.~.~ Ingredient contains a sulfur atom |
| 121 | DF | .~.~.~.~ Sulfur atom is part of an organic compound |
| 122 | DF | .~.~.~ Ingredient contains a silicon atom |
| 123 | DF | .~.~.~ Ingredient contains a metal atom |
| 124 | DF | .~.~.~.~ Metal atom is part of an organic compound |
| 125 | DF | .~.~.~.~.~ Organic metal compound contains a Group I or Group II metal atom |
| 126 | DF | .~.~.~.~.~ Organic metal compound contains tin |
| 127 | DF | .~.~.~.~.~.~ Tin compound is dibutyl tin dilaurate or stannous octoate |
| 128 | DF | .~.~.~ Ingredient is a nitrogen containing compound |
| 129 | DF | .~.~.~.~ Nitrogen compound contains a nitrogen atom bonded to three carbon atoms and wherein none of the carbon atoms are double-bonded to oxygen |
| 130 | DF | .~.~.~ Ingredient contains a carbon atom double bonded to oxygen, e.g., carboxylic acid, etc. |
| 131 | DF | .~.~.~ Ingredient contains only carbon and hydrogen atoms, only C and halogen atoms, or only C, H, and halogen atoms |
| 132 | DF | .~.~.~.~ Said ingredient is substantially nonvolatile material, e.g., hydrocarbon waxes, greases, etc. |
| 133 | DF | .~.~.~ Ingredient is gaseous at ambient conditions, e.g., air, oxygen, etc. |
| 134 | DF | .~.~ Cellular product derived from two or more solid polymers or from at least one solid polymer and at least one polymer-forming system |
| 135 | DF | .~.~.~ At least one polymer is derived from reactant containing two or more three membered heterocyclic rings having two carbon atoms and one chalcogen atom or polymer-forming system contains the same type of reactant |
| 136 | DF | .~.~.~ At least one polymer is derived from an aldehyde or derivative or wherein the polymer-forming system contains the same type of reactant |
| 137 | DF | .~.~.~ At least one polymer is derived from a -N=C=X reactant wherein X is a chalcogen atom or wherein the polymer-forming system contains the same type of reactant |
| 138 | DF | .~.~.~ At least one polymer is derived from a polycarboxylic acid or derivative and a polyol or wherein the polymer-forming system containing the same type of reactants |
| 139 | DF | .~.~.~ At least one polymer is derived from an ethylenically unsaturated aromatic reactant or wherein the polymer-forming system contains the same type of reactant |
| 140 | DF | .~.~.~ At least one polymer is derived from reactant containing two or more ethylenic groups or wherein the polymer-forming system contains the same type of reactant |
| 141 | DF | .~.~ Cellular vinyl alcohol polymer |
| 142 | DF | .~.~ Cellular product derived from ethylenically unsaturated reactants only |
| 143 | DF | .~.~.~ From acyclic mono-unsaturated hydrocarbon as only reactant |
| 144 | DF | .~.~.~.~ Interpolymer |
| 145 | DF | .~.~.~ From acyclic mono-unsaturated halogenated reactant |
| 146 | DF | .~.~.~ From aromatic reactant |
| 147 | DF | .~.~.~.~ With oxygen or nitrogen containing reactant |
| 148 | DF | .~.~.~.~ With conjugated diene reactant |
| 149 | DF | .~.~.~ From oxygen containing reactant |
| 150 | DF | .~.~.~ From reactant containing two or more ethylenic unsaturated groups |
| 151 | DF | .~.~ Cellular polymer derived from tar, pitch, bitumen, asphalt, or plant material of unknown constitution, e.g., nut shell liquor, etc. |
| 152 | DF | .~.~ Cellular product derived from boron containing reactant |
| 153 | DF | .~.~ Cellular product derived from aluminum or heavy metal containing reactant |
| 154 | DF | .~.~ Cellular product derived from silicon containing reactant |
| 155 | DF | .~.~ Cellular product derived from a -N=C=X containing reactant wherein X is a chalcogen atom |
| 156 | DF | .~.~.~ With three-membered heterocyclic reactant containing two carbon atoms and a hetero atom (i.e., nitrogen or a chalcogen atom) |
| 157 | DF | .~.~.~ With a C-C(=X)-XH or C-C(=X)-X-C(=X)-C- reactant wherein X is a chalcogen atom, e.g., carboxylic acid or anhydride, etc. |
| 158 | DF | .~.~.~ With ketone, aldehyde, or aldehyde derivative |
| 159 | DF | .~.~.~ N=C=X reactant having at least two C-NH-C(=X)- groups, e.g., prepolymers, etc. |
| 160 | DF | .~.~.~ Two or more N=C=X reactants |
| 161 | DF | .~.~.~ N=C=X reactant contains a heterocyclic ring |
| 162 | DF | .~.~.~ N=C=X reactant contains atoms other than carbon and hydrogen and other than nitrogen and chalcogen as part of the N=C=X group |
| 163 | DF | .~.~.~ With nitrogen containing reactant |
| 164 | DF | .~.~.~.~ Nitrogen reactant contains a C-XH group wherein X is a chalcogen atom and wherein the C atom is not double-bonded to a chalcogen atom |
| 165 | DF | .~.~.~.~.~ Phosphorus containing reactant |
| 166 | DF | .~.~.~.~.~ Nitrogen reactant contains a nitrogen containing heterocyclic ring |
| 167 | DF | .~.~.~.~.~ Nitrogen reactant contains a N-(C-C-O)-group |
| 168 | DF | .~.~.~ With phosphorus containing reactant |
| 169 | DF | .~.~.~.~ Phosphorus reactant contains a -O-(C-C-O-)-group |
| 170 | DF | .~.~.~ With -XH reactant wherein X is a chalcogen atom |
| 171 | DF | .~.~.~.~ -XH reactant contains a halogen atom |
| 172 | DF | .~.~.~.~ -XH reactant contains a C=X group, e.g., carboxylic acid ester, etc. |
| 173 | DF | .~.~.~.~.~ With non -C=X containing reactant |
| 174 | DF | .~.~.~.~ -XH reactant contains a C-X-C group |
| 175 | DF | .~.~.~.~.~ C-X-C reactant contains a carbohydrate group |
| 176 | DF | .~.~.~.~.~ With non -C-X-C- containing reactant |
| 177 | DF | .~.~.~.~.~ C-X-C reactant contains a carbocyclic ring, e.g., aromatic, etc. |
| 178 | DF | .~.~ Cellular product derived from a reactant containing two or more three membered heterocyclic rings wherein two of the ring members are carbon atoms and the remaining ring member is a chalcogen atom |
| 179 | DF | .~.~.~ With -C(=X)-X containing reactant wherein X is a chalcogen atom |
| 180 | DF | .~.~ Cellular product derived from a phenol, phenol ether, or inorganic phenolate reactant |
| 181 | DF | .~.~.~ With reactant which is an aldehyde or aldehyde derivative |
| 182 | DF | .~.~ Cellular product derived from a -C-C(=X)-X containing reactant wherein X is a chalcogen atom, e.g., phthalic acid, etc. |
| 183 | DF | .~.~.~ Nitrogen containing reactant |
| 184 | DF | .~.~.~.~ Nitrogen reactant contains at least two amino nitrogen atoms |
| 185 | DF | .~.~.~.~.~ Carbocyclic reactant containing -C-C(=X)-X, e.g., containing carboxyl, etc. |
| 186 | DF | .~.~ Cellular product derived from reactant which is an aldehyde or aldehyde derivative |
| 187 | DF | .~.~.~ Nitrogen containing reactant |
| 188 | DF | .~.~.~.~ Nitrogen reactant contains a -N-C(=X)-N group wherein X is a chalcogen atom, e.g.,urea, etc. |
| 189 | DF | .~.~ Cellular product derived from reactant containing a carbon to chalcogen bond |
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| CROSS-REFERENCE ART COLLECTIONS | ||
| ****************************** | ||
| 901 | DF | CELLULAR POLYMER CONTAINING A CARBODIIMIDE STRUCTURE |
| 902 | DF | CELLULAR POLYMER CONTAINING AN ISOCYANURATE STRUCTURE |
| 903 | DF | CELLULAR POLYMER HAVING REDUCED SMOKE OR GAS GENERATION |
| 904 | DF | POLYURETHANE CELLULAR PRODUCT HAVING HIGH RESILIENCY OR COLD CURE PROPERTY |
| 905 | DF | HYDROPHILIC OR HYDROPHOBIC CELLULAR PRODUCT |
| 906 | DF | POLYURETHANE CELLULAR PRODUCT CONTAINING UNREACTED FLAME-RETARDANT MATERIAL |
| 907 | DF | NONURETHANE FLAMEPROOFED CELLULAR PRODUCT |
| 908 | DF | NUCLEATING AGENT FOR CELLULAR PRODUCT |
| 909 | DF | BLOWING-AGENT MODERATOR, E.G., KICKERS, ETC. |
| 910 | DF | PLURAL BLOWING AGENTS FOR PRODUCING NONPOLYURETHANE CELLULAR PRODUCTS |
| 911 | DF | SURFACTANT FOR OTHER THAN POLYURETHANE CELLULAR PRODUCT |
| 912 | DF | SEPARATED REACTIVE MATERIALS UTILIZED IN PREPARING CELLULAR PRODUCT |
| 913 | DF | CELL FORMING IN ABSENCE OF EXTERNAL HEAT |
| 914 | DF | POLYURETHANE CELLULAR PRODUCT FORMED FROM A POLYOL WHICH HAS BEEN DERIVED FROM AT LEAST TWO 1,2 EPOXIDES AS REACTANTS |
| 915 | DF | UTILIZING ELECTRICAL OR WAVE ENERGY DURING CELL FORMING PROCESS |
| 916 | DF | CELLULAR PRODUCT HAVING ENHANCED DEGRADABILITY |
| 917 | DF | SPECIALIZED MIXING APPARATUS UTILIZED IN CELL FORMING PROCESS |
| 918 | DF | PHYSICAL AFTERTREATMENT OF A CELLULAR PRODUCT |
| 919 | DF | SINTERED PRODUCT |
| 920 | DF | CELLULAR PRODUCT CONTAINING A DYE OR PIGMENT |
| 921 | DF | PREPARING A NONPOLYURETHANE CELLULAR PARTICLE FROM A NONPARTICULATE MATERIAL |