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Azo dyes not provided for in groups C09B27/00 - C09B45/00

Azo dyes not provided for in groups C09B27/00 - C09B45/00 · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	C09B46/00
Official title	Azo dyes not provided for in groups C09B27/00 - C09B45/00
Display label	Azo dyes not provided for in groups C09B27/00 - C09B45/00
Total patents	4

Year-over-year patent counts classified under this CPC code.

Filing activity appears to be growing based on the most recent years.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.