having two double bonds between ring members or between ring members and non-ring members

having two double bonds between ring members or between ring members and non-ring members · 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 codeC07D239/20
Official titlehaving two double bonds between ring members or between ring members and non-ring members
Display labelhaving two double bonds between ring members or between ring members and non-ring members
Total patents39

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
20155
20163
20176
20186
20197
20205
20212
20221
20231
20241
20252

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 C07D239/20?
CPC C07D239/20 is the Cooperative Patent Classification code for “having two double bonds between ring members or between ring members and non-ring members.”
How many patents are filed under CPC C07D239/20 (having two double bonds between ring members or between ring members and non-ring members)?
Our database includes 39 publications tagged with this CPC code.
Is patent activity under CPC C07D239/20 growing?
Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).