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/(636) dye or potential dye composition, additive, treatment, process, product, or ancillary dye operation (637.1) pigments used as dyes (imbibition of a pigment)

Hierarchy/Derived subclasses

8 / 636

-> 637.1

uspto searches

Patent Apps in 8/637.1

Granted Patents in 8/637.1

Use the links above or do an advanced search in ppubs for:
(8/637.1.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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