Six-membered ring containing nitrogen and carbon only

Six-membered ring containing nitrogen and carbon only · 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 codeC10M133/40
Official titleSix-membered ring containing nitrogen and carbon only
Display labelSix-membered ring containing nitrogen and carbon only
Total patents111

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
201512
20168
201719
201821
20199
202013
20217
20223
20233
20247
20257
20262

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 C10M133/40?
CPC C10M133/40 is the Cooperative Patent Classification code for “Six-membered ring containing nitrogen and carbon only.”
How many patents are filed under CPC C10M133/40 (Six-membered ring containing nitrogen and carbon only)?
Our database includes 111 publications tagged with this CPC code.
Is patent activity under CPC C10M133/40 growing?
Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).