having condensed rings

having condensed 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 codeC08F132/08
Official titlehaving condensed rings
Display labelhaving condensed rings
Total patents122

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
201613
201714
201812
20198
202014
202112
202210
202317
20245
20254

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 C08F132/08?
CPC C08F132/08 is the Cooperative Patent Classification code for “having condensed rings.”
How many patents are filed under CPC C08F132/08 (having condensed rings)?
Our database includes 122 publications tagged with this CPC code.
Is patent activity under CPC C08F132/08 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).