having no double bonds between ring members or between ring members and non-ring members

having no 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 codeC07D205/04
Official titlehaving no double bonds between ring members or between ring members and non-ring members
Display labelhaving no double bonds between ring members or between ring members and non-ring members
Total patents869

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
201587
201675
201798
201884
201979
202080
202177
202273
202375
202466
202566
20269

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 C07D205/04?
CPC C07D205/04 is the Cooperative Patent Classification code for “having no double bonds between ring members or between ring members and non-ring members.”
How many patents are filed under CPC C07D205/04 (having no double bonds between ring members or between ring members and non-ring members)?
Our database includes 869 publications tagged with this CPC code.
Is patent activity under CPC C07D205/04 growing?
Publication counts under this code: 66 in 2024 vs 66 in 2025 (latest complete years).