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

Hierarchy/Derived subclasses

8 / 543	-> 544	-> oh
	-> 546
	-> 547
	-> 548
	-> 549

uspto searches

Patent Apps in 8/543

Granted Patents in 8/543

Use the links above or do an advanced search in ppubs for:
(8/543.ccls. or 8/544.ccls. or 8/oh.ccls. or 8/546.ccls. or 8/547.ccls. or 8/548.ccls. or 8/549.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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