with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring

with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring · 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 codeC07C271/58
Official titlewith the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring
Display labelwith the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring
Total patents46

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
201513
20168
20173
20182
20191
20204
20213
20223
20234
20244
20251

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 C07C271/58?
CPC C07C271/58 is the Cooperative Patent Classification code for “with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring.”
How many patents are filed under CPC C07C271/58 (with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring)?
Our database includes 46 publications tagged with this CPC code.
Is patent activity under CPC C07C271/58 growing?
Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).