having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms

having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms · 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 codeC07C235/20
Official titlehaving the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
Display labelhaving the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
Total patents121

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20159
201614
201716
201811
20198
20209
202110
202210
202313
20248
202511
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 C07C235/20?
CPC C07C235/20 is the Cooperative Patent Classification code for “having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms.”
How many patents are filed under CPC C07C235/20 (having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms)?
Our database includes 121 publications tagged with this CPC code.
Is patent activity under CPC C07C235/20 growing?
Publication counts under this code: 8 in 2024 vs 11 in 2025 (latest complete years).