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/(618) inorganic additive for dye composition, dye composition containing inorganic additive, process or product; other than emulsifier, ph adjuster, water, nitrous acid for azo coupling or sulfur reducing agent for vat or sulfur dye (629) group iib metal (zn, cd, hg)

Hierarchy/Derived subclasses

8 / 618-> 629

uspto searches

Patent Apps in 8/629

Granted Patents in 8/629

Use the links above or do an advanced search in ppubs for:
(8/629.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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