Carbocyclic rings

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 codeC07H15/20
Official titleCarbocyclic rings
Display labelCarbocyclic rings
Total patents55

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201510
20166
20177
20187
20195
20204
20216
20223
20232
20242
20253

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 C07H15/20?
CPC C07H15/20 is the Cooperative Patent Classification code for “Carbocyclic rings.”
How many patents are filed under CPC C07H15/20 (Carbocyclic rings)?
Our database includes 55 publications tagged with this CPC code.
Is patent activity under CPC C07H15/20 growing?
Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).