having nitrogen atoms of carboxamide groups further acylated

having nitrogen atoms of 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 codeC07C233/90
Official titlehaving nitrogen atoms of carboxamide groups further acylated
Display labelhaving nitrogen atoms of carboxamide groups further acylated
Total patents25

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
20151
20161
20181
20192
20202
20214
20223
20232
20244
20252
20263

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 C07C233/90?
CPC C07C233/90 is the Cooperative Patent Classification code for “having nitrogen atoms of carboxamide groups further acylated.”
How many patents are filed under CPC C07C233/90 (having nitrogen atoms of carboxamide groups further acylated)?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC C07C233/90 growing?
Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).