US PATENT SUBCLASS 516 / 34
.~.~.~.~ The inorganic material primarily contains compounds containing both silicon and oxygen, or both aluminum and oxygen, or combinations thereof (e.g., silica (SiO2) organosol*, silica alcosol, talc, clay)


Current as of: June, 1999
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516 /   HD   COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF

9  DF  CONTINUOUS LIQUID OR SUPERCRITICAL PHASE: COLLOID SYSTEMS; COMPOSITIONS CONTAINING AN AGENT FOR MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF PREPARING THE COMPOSITIONS (E.G., THICKENING AGENT; PROTECTIVE COLLOID AGENT; COMPOSITION CONTAINING AN EMULSIFYING AGENT WITH NO DISPERSANT* DISCLOSED; ORGANIC LIQUID EMULSIFIED IN ANHYDROUS HF) {5}
20  DF  .~ Primarily organic continuous liquid phase (e.g., organic liquid emulsified in an organic liquid) {2}
31  DF  .~.~ Discontinuous phase material primarily solid or semisolid (e.g., colloid- sized dispersion of gel particles, or paraffin wax, or polytetrafluoroethylene) {2}
33  DF  .~.~.~ The material primarily contains inorganic material (e.g., chrome yellow, sodium nitrite) {4}
34.~.~.~.~ The inorganic material primarily contains compounds containing both silicon and oxygen, or both aluminum and oxygen, or combinations thereof (e.g., silica (SiO2) organosol*, silica alcosol, talc, clay)


DEFINITION

Classification: 516/34

The inorganic material primarily contains compounds containing both silicon and oxygen, or both aluminum and oxygen, or combinations thereof (e.g., silica (SiO 2) organosol, silica alcosol, talc, clay):

(under subclass 33) Subject matter in which the inorganic* material* primarily contains one or more compounds containing both silicon and oxygen, or both aluminum and oxygen, or combinations thereof, such as silica (SiO 2) organosol*, silica alcosol, talc, or clay.

(1) Note. "Primarily contains" means that 50% or more of the inorganic* material* is one or more compounds, taken together, containing both silicon and oxygen, or both aluminum and oxygen, or combinations thereof, by weight, volume, or molecule.

SEE OR SEARCH THIS CLASS, SUBCLASS:

79+, for colloid systems (e.g., suspensions, or dispersions) in which the continuous liquid phase is aqueous and the discontinuous phase is primarily solid inorganic* material* which is primarily a material* which contains silicon covalently bonded to oxygen, such as, aluminum silicate, clay.

SEE OR SEARCH CLASS

51, Abrasive Tool Making Process, Material, or Composition, appropriate subclasses for materials, compositions, colloid systems, wetting agents, subcombination compositions therefor, or appropriate methods designed for an abrading purpose.

65, Glass Manufacturing, 17.2, for processes of working or treating glass which includes a sol-gel route or liquid phase route procedure during any stage of working or treating glass.

507, Earth Boring, Well Treating, and Oil Field Chemistry,

90, for compositions for addition to petroleum oils during transportation through conduits to prevent fouling or clogging of the conduits due to components of the petroleum oils precipitating out during the transportation (e.g., suspending agents, antiflocculants), subclasses 100+ for earth boring compositions which may contain colloid systems (e.g., dispersions, suspensions, emulsions) or wetting agents, and subclasses 200+ for well treating compositions which may contain colloid systems (e.g., dispersions, suspensions, emulsions) or wetting agents.

508, Solid Antifriction Devices, Material Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions, appropriate

subclasses for claimed or solely disclosed lubricants composed of suspension which may be colloid systems, see

136+, for compositions which are miscellaneous mineral oil compositions, or are lubricants or separants for moving solid surfaces, which contain silicon dioxide, silicic acid, orthosilicate, or metasilicate (e.g., clays, onium clays, estersils, etc.) which may be surface-treated. This class is organized based upon the chemical constituents or chemical reactants of the composition or device; no subclass specifically provides for colloid systems or wetting agents, therefore such subject matter would be placed based upon its constituents as though it were a solution or mixture having no colloid system characteristic.