with six-membered aromatic rings being part of the condensed ring systems

with six-membered aromatic rings being part of the condensed ring systems · 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 codeC07C211/42
Official titlewith six-membered aromatic rings being part of the condensed ring systems
Display labelwith six-membered aromatic rings being part of the condensed ring systems
Total patents103

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
201523
201624
201721
201813
20194
20207
20212
20221
20234
20241
20252
20261

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 C07C211/42?
CPC C07C211/42 is the Cooperative Patent Classification code for “with six-membered aromatic rings being part of the condensed ring systems.”
How many patents are filed under CPC C07C211/42 (with six-membered aromatic rings being part of the condensed ring systems)?
Our database includes 103 publications tagged with this CPC code.
Is patent activity under CPC C07C211/42 growing?
Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).