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

having three 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 codeC07D251/12
Official titlehaving three double bonds between ring members or between ring members and non-ring members
Display labelhaving three double bonds between ring members or between ring members and non-ring members
Total patents110

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
20156
20166
201712
201827
201917
20209
202111
20226
20235
20248
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 C07D251/12?
CPC C07D251/12 is the Cooperative Patent Classification code for “having three double bonds between ring members or between ring members and non-ring members.”
How many patents are filed under CPC C07D251/12 (having three double bonds between ring members or between ring members and non-ring members)?
Our database includes 110 publications tagged with this CPC code.
Is patent activity under CPC C07D251/12 growing?
Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).