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/(543) reactive dye composition, process, or product (544) 1,2-epoxy terminal group dye or halohydroxdye, e.g., -ch(oh)-chcl containing

Hierarchy/Derived subclasses

8 / 543

-> 544

-> oh

uspto searches

Patent Apps in 8/544

Granted Patents in 8/544

Use the links above or do an advanced search in ppubs for:
(8/544.ccls. or 8/oh.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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