directly linked by a ring-member-to-ring-member bond

directly linked by a ring-member-to-ring-member bond · 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 codeC07D407/04
Official titledirectly linked by a ring-member-to-ring-member bond
Display labeldirectly linked by a ring-member-to-ring-member bond
Total patents531

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
201554
201666
201745
201847
201946
202059
202140
202238
202347
202441
202538
202610

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 C07D407/04?
CPC C07D407/04 is the Cooperative Patent Classification code for “directly linked by a ring-member-to-ring-member bond.”
How many patents are filed under CPC C07D407/04 (directly linked by a ring-member-to-ring-member bond)?
Our database includes 531 publications tagged with this CPC code.
Is patent activity under CPC C07D407/04 growing?
Publication counts under this code: 41 in 2024 vs 38 in 2025 (latest complete years).