USPC Class Details

Description: 516 colloid systems and wetting agents; subcombinations thereof; processes of / 516 colloid systems and wetting agents; subcombinations thereof; processes of/(9) continuous liquid or supercritical phase: colloid systems; compositions an agent for making or stabilizing colloid systems; processes of making or stabilizing colloid systems; processes of preparing the compositions (e.g., micelle; thickening agent; protective colloid agent; composition containing an emulsifying agent with no dispersant disclosed; organic liquid emulsified in anhydrous hf) (38) aqueous continuous liquid phase and discontinuous phase primarily coal or elemental carbon or bituminous (e.g., asphalt, pitch, tar, montan wax, paraffin wax) (43) the agent contains organic compound containing nitrogen, except if present solely as nh4+ (44) the compound contains plural peptide linkages, i.e., compound formed from amino acids, natural or synthetic, by reaction of a carboxyl group of one such amino acid with an amino group of another same or different such amino acid

Hierarchy/Derived subclasses

516 / 9-> 38-> 43-> 44

uspto searches

Patent Apps in 516/44

Granted Patents in 516/44

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(516/44.ccls.)

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