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Azomethine-azo dyes {(1,2-Complex dyes of AZOMETHINE and AZO dyes, C09B55/001)}

Azomethine-azo dyes {(1,2-Complex dyes of AZOMETHINE and AZO dyes, C09B55/001)} · 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 codeC09B56/02
Official titleAzomethine-azo dyes {(1,2-Complex dyes of AZOMETHINE and AZO dyes, C09B55/001)}
Display labelAzomethine-azo dyes {(1,2-Complex dyes of AZOMETHINE and AZO dyes, C09B55/001)}
Total patents14

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
20152
20164
20171
20181
20193
20201
20211
20231

Representative patents

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