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Preparation of compounds containing a naphthacene ring system, e.g. tetracycline (C12P19/00 takes precedence)

Preparation of compounds containing a naphthacene ring system, e.g. tetracycline (C12P19/00 takes precedence) · 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 codeC12P29/00
Official titlePreparation of compounds containing a naphthacene ring system, e.g. tetracycline (C12P19/00 takes precedence)
Display labelPreparation of compounds containing a naphthacene ring system, e.g. tetracycline (C12P19/00 takes precedence)
Total patents6

Filing trend

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

Filing activity appears to be growing based on the most recent years.

Patents filed per year
YearPatents
20161
20202
20233

Representative patents

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