USPC Class Details

Description: 8 bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers / 8 bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers/(539) synthetic fiber produced from material which contains pendant -coo-, -(o=)s(=o)-o-, -o-(o=)p(=o)-o-, pyridino, dialkylaminoalkyl-, or quaternary ammonium radical, dyeing process or product

Hierarchy/Derived subclasses

8 / 539

-> 540

uspto searches

Patent Apps in 8/539

Granted Patents in 8/539

Use the links above or do an advanced search in ppubs for:
(8/539.ccls. or 8/540.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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