Acids containing more than four carbon atoms

Acids containing more than four carbon atoms · 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 codeC07C53/126
Official titleAcids containing more than four carbon atoms
Display labelAcids containing more than four carbon atoms
Total patents188

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
201523
201621
201719
201820
201924
202017
202120
20228
202314
20245
202512
20265

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 C07C53/126?
CPC C07C53/126 is the Cooperative Patent Classification code for “Acids containing more than four carbon atoms.”
How many patents are filed under CPC C07C53/126 (Acids containing more than four carbon atoms)?
Our database includes 188 publications tagged with this CPC code.
Is patent activity under CPC C07C53/126 growing?
Publication counts under this code: 5 in 2024 vs 12 in 2025 (latest complete years).