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of cationic azo dyes

of cationic azo dyes · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC09B69/065
Official title{of cationic azo dyes}
Display labelof cationic azo dyes
Total patents9

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20151
20161
20171
20181
20191
20203
20251

Representative patents

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