USPC Class Details

Description: 524 synthetic resins or natural rubbers -- part of the class 520 series / 524 synthetic resins or natural rubbers -- part of the class 520 series/() synthetic resins (class 520, subclass 1) () processes of preparing a desired or intentional composition of at least one nonreactant material and at least one solid polymer or specified intermediate condensation product, or product thereof (class 523, subclass 1) (1) adding a nrm to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof (9) cellular material derived from plant or animal source dnrm other than: cotton, farinaceous meals or flours, blood, diatomaceous earth, chalk, or other fossilized matter (10) animal derived (12) hair removed from pelt, e.g., wool, etc.

Hierarchy/Derived subclasses

524 / 1-> 9-> 10-> 12

uspto searches

Patent Apps in 524/12

Granted Patents in 524/12

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(524/12.ccls.)

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