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 (654) basic (cationic) dye containing strongly basic onium or alkylene imine group (655) heterocyclic onium group, e.g., pyridinium, etc.

Hierarchy/Derived subclasses

8 / 636-> 654-> cationic-> 655

uspto searches

Patent Apps in 8/655

Granted Patents in 8/655

Use the links above or do an advanced search in ppubs for:
(8/655.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.
Display:

Back