Heterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom

Heterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom · 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 codeC07D313/00
Official titleHeterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom
Display labelHeterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom
Total patents157

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201521
201616
201722
201810
201910
202016
202112
202213
202311
202414
20259
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 C07D313/00?
CPC C07D313/00 is the Cooperative Patent Classification code for “Heterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom.”
How many patents are filed under CPC C07D313/00 (Heterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom)?
Our database includes 157 publications tagged with this CPC code.
Is patent activity under CPC C07D313/00 growing?
Publication counts under this code: 14 in 2024 vs 9 in 2025 (latest complete years).