USPC Class Details

Description: 526 synthetic resins or natural rubbers -- part of the class 520 series / 526 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) (72) polymers from only ethylenic monomers or processes of polymerizing, polymerizable compositions containing only ethylenic monomers as reactants or processes of preparing (89) polymerizing in the presence of a specified material other than monomer (237) material contains metal halide, boron halide or organic complexes thereof, hydrogen halide, elemental halogen, or compound containing only halogen atoms

Hierarchy/Derived subclasses

526 / 72-> 89-> 237-> 238

uspto searches

Patent Apps in 526/237

Granted Patents in 526/237

Use the links above or do an advanced search in ppubs for:
(526/237.ccls. or 526/238.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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