to carbon atoms of non-condensed six-membered aromatic rings

to carbon atoms of non-condensed six-membered aromatic rings · 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 codeC07C309/73
Official titleto carbon atoms of non-condensed six-membered aromatic rings
Display labelto carbon atoms of non-condensed six-membered aromatic rings
Total patents200

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
201518
201629
201720
201812
201917
202013
202118
202210
202314
202416
202517
202616

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 C07C309/73?
CPC C07C309/73 is the Cooperative Patent Classification code for “to carbon atoms of non-condensed six-membered aromatic rings.”
How many patents are filed under CPC C07C309/73 (to carbon atoms of non-condensed six-membered aromatic rings)?
Our database includes 200 publications tagged with this CPC code.
Is patent activity under CPC C07C309/73 growing?
Publication counts under this code: 16 in 2024 vs 17 in 2025 (latest complete years).