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) (53) aqueous continuous liquid phase and discontinuous phase primarily organic liquid (e.g., organosilicon* oil- or mineral-oil*-in-water, o/w emulsion) (67) the agent contains organic compound containing nitrogen, except if present solely as nh4+

Hierarchy/Derived subclasses

516 / 9-> 53-> 67-> 68
   -> 69-> 70
   -> 71-> ocnhn

uspto searches

Patent Apps in 516/67

Granted Patents in 516/67

Use the links above or do an advanced search in ppubs for:
(516/67.ccls. or 516/68.ccls. or 516/69.ccls. or 516/70.ccls. or 516/71.ccls. or 516/ocnhn.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.
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