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Dyes with an unsaturated C on the N atom attached to the nucleus (C=O and C=S, C09B1/36)

Dyes with an unsaturated C on the N atom attached to the nucleus (C=O and C=S, C09B1/36) · 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	C09B1/205
Official title	{Dyes with an unsaturated C on the N atom attached to the nucleus (C=O and C=S, C09B1/36)}
Display label	Dyes with an unsaturated C on the N atom attached to the nucleus (C=O and C=S, C09B1/36)
Total patents	2

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

Filing activity appears stable based on the most recent years.

Patents filed per year
Year	Patents
2022	1
2024	1

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