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

having less than 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 codeC07D237/04
Official titlehaving less than three double bonds between ring members or between ring members and non-ring members
Display labelhaving less than three double bonds between ring members or between ring members and non-ring members
Total patents114

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
20154
201619
201714
201815
20197
202012
20218
20225
202310
202410
20257
20263

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 C07D237/04?
CPC C07D237/04 is the Cooperative Patent Classification code for “having less than three double bonds between ring members or between ring members and non-ring members.”
How many patents are filed under CPC C07D237/04 (having less than three double bonds between ring members or between ring members and non-ring members)?
Our database includes 114 publications tagged with this CPC code.
Is patent activity under CPC C07D237/04 growing?
Publication counts under this code: 10 in 2024 vs 7 in 2025 (latest complete years).