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Anthraquinone dyes

Anthraquinone dyes · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeD06P1/20
Official titleAnthraquinone dyes
Display labelAnthraquinone dyes
Total patents23

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20152
20171
20193
20201
20214
20225
20233
20241
20251
20262

Representative patents

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