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/(550) organic additive for dye composition, dye composition containing organic additive, process or product; other than emulsifier, ph adjuster or starch or gum print paste thickener (565) six-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen (567) diazines (including hydrogenated)

Hierarchy/Derived subclasses

8 / 550-> 565-> 567

uspto searches

Patent Apps in 8/567

Granted Patents in 8/567

Use the links above or do an advanced search in ppubs for:
(8/567.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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