Y being a carbon atom of a six-membered aromatic ring

Y being 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 codeC07C323/42
Official titleY being a carbon atom of a six-membered aromatic ring
Display labelY being a carbon atom of a six-membered aromatic ring
Total patents96

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
201513
201615
201717
201810
20198
20206
20216
20222
20236
20246
20257

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 C07C323/42?
CPC C07C323/42 is the Cooperative Patent Classification code for “Y being a carbon atom of a six-membered aromatic ring.”
How many patents are filed under CPC C07C323/42 (Y being a carbon atom of a six-membered aromatic ring)?
Our database includes 96 publications tagged with this CPC code.
Is patent activity under CPC C07C323/42 growing?
Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).