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without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids

without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids · 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 codeC07C259/04
Official titlewithout replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids
Display labelwithout replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids
Total patents21

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
20163
20178
20183
20202
20222
20251

Representative patents

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