of carboxylic acid ester groups

of carboxylic acid ester 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 codeC07B41/12
Official titleof carboxylic acid ester groups
Display labelof carboxylic acid ester groups
Total patents59

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20153
20165
20177
20188
20198
20209
20215
20222
20237
20243
20252

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 C07B41/12?
CPC C07B41/12 is the Cooperative Patent Classification code for “of carboxylic acid ester groups.”
How many patents are filed under CPC C07B41/12 (of carboxylic acid ester groups)?
Our database includes 59 publications tagged with this CPC code.
Is patent activity under CPC C07B41/12 growing?
Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).