US PATENT SUBCLASS 264 / 5
FORMATION OF SOLID PARTICULATE MATERIAL DIRECTLY FROM MOLTEN OR LIQUID MASS (E.G., LIQUID COMMINUTING)

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

5FORMATION OF SOLID PARTICULATE MATERIAL DIRECTLY FROM MOLTEN OR LIQUID MASS (E.G., LIQUID COMMINUTING) {8}
6  DF  .~> With subsequent uniting of the particles
7  DF  .~> Coated particles
8  DF  .~> Utilizing centrifugal force or rotating forming zone
9  DF  .~> By vibration or agitation
10  DF  .~> Utilizing electrical energy
11  DF  .~> By impinging plural liquid masses
12  DF  .~> By impinging or atomizing with gaseous jet or blast
13  DF  .~> By extrusion spraying or gravity fall through orifice {1}

DEFINITION

Classification: 264/5

(under the class definition) Processes wherein a material in the liquid state is comminuted to form discrete particles and solidified in its comminuted form.

(1) Note. Where the purpose of the comminution is to effect a material separation rather than to produce a desired size product, the patent is not included herein, but will be found in the appropriate separation class, e.g., Class 159, Concentrating Evaporators, and Class 201, Distillation: Processes, Thermolytic, subclasses 7+.

(2) Note. To be classified in this subclass the material must be subdivided from an original liquid mass and then the subdivided particles solidified with no substantial change in shape or size. Thus, precipitation of a powder, etc., from a solution is not provided for in this class in that an original liquid mass is not comminuted. Coagulation of droplets formed by comminution can be found in this or an indented subclass.

(3) Note. The compound and composition classes are superior to Class 264 in regard to liquid comminution and solidification unless otherwise noted where: A. The product is formed and comminution is recited only broadly, as by name only; B. The reactants are comminuted merely to enhance a chemical reaction C. The final product size and shape is not controlled or limited by the size and shape of the comminuted liquid particles (see (2) Note above) or, D. The product is a stable colloid or catalyst composition.

SEE OR SEARCH CLASS

29, Metal Working,

1.22, for apparatus and methods for making bullets and shot usually involving a plurality of metal working operations and subclasses 4.51+ for the production of metal shreds by a cutting operation. 62, Refrigeration,

74, for processes there provided for of congealing (freezing) material involving spraying or dripping.

65, Glass Manufacturing,

376+, for processes of glass fiber or filament making; subclasses 21.1+ for self-supporting particle making from glass or glasslike materials.

71, Chemistry: Fertilizers,

64.01+, for other processes of preparing fertilizer commercial forms and also fertilizer forms as articles of manufacture.

72, Metal Deforming,

253.1+, for metal extruding.

75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures,

331+, for production of free metal in particulate form or production of alloy or metallic composition in particulate form by comminuting directly from liquid metal. Patents which claim only a process of comminuting and solidifying a liquid metal to form discrete particles are classified as originals in Class 75. Patents in which the claims are broad or nondefinitive as to material and the disclosure states that materials other than metal are processed by the invention will go as originals to Class 264. Patents having claims to forming solid particulate metal and claims to forming solid particulate nonmetal or patents having generic claims with a disclosure to forming solid particulate metal and to forming solid particulate nonmetal will go as originals to Class 264 and a cross-reference will be placed in Class 75.

159, Concentrating Evaporators, 48.1+, for processes of concentrating by spraying.

164, Metal Founding, appropriate subclasses for processes of forming particulate metallic particles by means of a shaping surface and

272, for metal revolving or tumbling type shaping apparatus.

204, Chemistry: Electrical and Wave Energy,

192.1, for processes of coating or forming by cathode sputtering.

241, Solid Material Comminution or Disintegration,

1, 30 for processes of comminuting and disintegrating solid materials.

425, Plastic Article or Earthenware Shaping or Treating: Apparatus,

6+, for corresponding apparatus.

428, Stock Material or Miscellaneous Articles,

87, for a product with a pile or nap type surface and including particles, subclasses 143+ for a stock material product in the form of a single or plural layer web or sheet which has a textured surface comprising particulate matter, subclasses 323+ for a composite web or sheet including a component having structurally defined particles, subclasses 402+ and 570 for structurally defined or coated particles and subclasses 546+ for metallic stock comprising metal particles. 516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

1+, for continuous gas or vapor phase colloid system (e.g., smoke, fog, aerosol, cloud, mist), subclasses 31+ for colloid systems of colloid-sized solid or semisolid phase dispersed in primarily organic continuous liquid phase, subclasses 38+ for colloid systems of colloid-sized bituminous, coal, or Carbon phase dispersed in aqueous continuous liquid phase, subclasses 77+ for colloid systems of colloid-sized solid phase dispersed in aqueous continuous liquid phase; or agents for such systems or making or stabilizing such systems or agents; in each instance, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.

588, Hazardous or Toxic Waste Destruction or Containment,

252+, for solidification of hazardous or toxic waste.