having the nitrogen atom of at least one of the carboxamide groups further acylated

having the nitrogen atom of at least one of the carboxamide groups further acylated · 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 codeC07C237/52
Official titlehaving the nitrogen atom of at least one of the carboxamide groups further acylated
Display labelhaving the nitrogen atom of at least one of the carboxamide groups further acylated
Total patents80

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20157
20168
201713
20185
201913
20214
20228
20237
20245
20258
20262

Representative patents

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

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C07C237/52?
CPC C07C237/52 is the Cooperative Patent Classification code for “having the nitrogen atom of at least one of the carboxamide groups further acylated.”
How many patents are filed under CPC C07C237/52 (having the nitrogen atom of at least one of the carboxamide groups further acylated)?
Our database includes 80 publications tagged with this CPC code.
Is patent activity under CPC C07C237/52 growing?
Publication counts under this code: 5 in 2024 vs 8 in 2025 (latest complete years).