by reactions not forming ether-oxygen bonds

by reactions not forming ether-oxygen bonds · 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 codeC07C41/18
Official titleby reactions not forming ether-oxygen bonds
Display labelby reactions not forming ether-oxygen bonds
Total patents190

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
201524
201633
201724
201815
201922
202013
202113
202210
202311
202410
202512
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 C07C41/18?
CPC C07C41/18 is the Cooperative Patent Classification code for “by reactions not forming ether-oxygen bonds.”
How many patents are filed under CPC C07C41/18 (by reactions not forming ether-oxygen bonds)?
Our database includes 190 publications tagged with this CPC code.
Is patent activity under CPC C07C41/18 growing?
Publication counts under this code: 10 in 2024 vs 12 in 2025 (latest complete years).