Acyclic radicals, substituted by carbocyclic rings

Acyclic radicals, substituted by carbocyclic 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 codeC07H15/18
Official titleAcyclic radicals, substituted by carbocyclic rings
Display labelAcyclic radicals, substituted by carbocyclic rings
Total patents311

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201540
201629
201728
201829
201923
202031
202121
202226
202326
202423
202530
20265

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 C07H15/18?
CPC C07H15/18 is the Cooperative Patent Classification code for “Acyclic radicals, substituted by carbocyclic rings.”
How many patents are filed under CPC C07H15/18 (Acyclic radicals, substituted by carbocyclic rings)?
Our database includes 311 publications tagged with this CPC code.
Is patent activity under CPC C07H15/18 growing?
Publication counts under this code: 23 in 2024 vs 30 in 2025 (latest complete years).