and containing six-membered aromatic rings

and containing 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 codeC07C215/28
Official titleand containing six-membered aromatic rings
Display labeland containing six-membered aromatic rings
Total patents72

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
201615
20176
20185
20197
202010
20215
20222
20237
20241
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 C07C215/28?
CPC C07C215/28 is the Cooperative Patent Classification code for “and containing six-membered aromatic rings.”
How many patents are filed under CPC C07C215/28 (and containing six-membered aromatic rings)?
Our database includes 72 publications tagged with this CPC code.
Is patent activity under CPC C07C215/28 growing?
Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).