of ether, acetal or ketal groups

of ether, acetal or ketal groups · 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 codeC07B41/04
Official titleof ether, acetal or ketal groups
Display labelof ether, acetal or ketal groups
Total patents59

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
20157
20164
20173
20186
20194
20209
20217
20224
20234
20245
20255
20261

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 C07B41/04?
CPC C07B41/04 is the Cooperative Patent Classification code for “of ether, acetal or ketal groups.”
How many patents are filed under CPC C07B41/04 (of ether, acetal or ketal groups)?
Our database includes 59 publications tagged with this CPC code.
Is patent activity under CPC C07B41/04 growing?
Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).