USPC Class Details

Description: 525 synthetic resins or natural rubbers -- part of the class 520 series / 525 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (50) mixing of two or more solid polymers; mixing of solid polymer or sicp with sicp or spfi; mixing of sicp with an ethylenic agent; mixing of solid polymer with a chemical treating or ethylenic agent; or processes of forming or reacting; or the resultant product of any of the above operations (55) at least one solid polymer derived from ethylenic reactants only (107) with saturated 1,2-epoxy reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom; or with solid copolymer derived from at least one saturated reactant and at least one unsaturated 1,2-epoxy reactant wherein the epoxy reactant contains more than one 1,2-epoxy group per mole

Hierarchy/Derived subclasses

525 / 50-> 55-> 107-> 108
   -> 109
   -> 110
   -> 111
   -> 111.5
   -> 112
   -> 113
   -> 114
   -> 115
   -> 116
   -> 117
   -> 118
   -> 119
   -> 120
   -> 121
   -> 122

uspto searches

Patent Apps in 525/107

Granted Patents in 525/107

Use the links above or do an advanced search in ppubs for:
(525/107.ccls. or 525/108.ccls. or 525/109.ccls. or 525/110.ccls. or 525/111.ccls. or 525/111.5.ccls. or 525/112.ccls. or 525/113.ccls. or 525/114.ccls. or 525/115.ccls. or 525/116.ccls. or 525/117.ccls. or 525/118.ccls. or 525/119.ccls. or 525/120.ccls. or 525/121.ccls. or 525/122.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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