This page is not indexed by search engines while we improve data quality.

Benz-azabenzanthrones (anthrapyridones)

Benz-azabenzanthrones (anthrapyridones) · 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 codeC09B5/14
Official titleBenz-azabenzanthrones (anthrapyridones)
Display labelBenz-azabenzanthrones (anthrapyridones)
Total patents22

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20156
20162
20171
20184
20193
20202
20221
20231
20241
20251

Representative patents

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