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

having more 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 codeC07D213/90
Official titlehaving more than three double bonds between ring members or between ring members and non-ring members
Display labelhaving more than three double bonds between ring members or between ring members and non-ring members
Total patents25

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
20151
20161
20171
20183
20192
20204
20215
20221
20233
20241
20252
20261

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 C07D213/90?
CPC C07D213/90 is the Cooperative Patent Classification code for “having more than three double bonds between ring members or between ring members and non-ring members.”
How many patents are filed under CPC C07D213/90 (having more than three double bonds between ring members or between ring members and non-ring members)?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC C07D213/90 growing?
Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).