Polycarboxylic acid esters, the acid moiety containing more than two carboxyl groups

Polycarboxylic acid esters, the acid moiety containing more than two carboxyl 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 codeC07C69/604
Official titlePolycarboxylic acid esters, the acid moiety containing more than two carboxyl groups
Display labelPolycarboxylic acid esters, the acid moiety containing more than two carboxyl groups
Total patents116

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
201518
201626
201718
201821
20197
20207
20217
20222
20234
20242
20254

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 C07C69/604?
CPC C07C69/604 is the Cooperative Patent Classification code for “Polycarboxylic acid esters, the acid moiety containing more than two carboxyl groups.”
How many patents are filed under CPC C07C69/604 (Polycarboxylic acid esters, the acid moiety containing more than two carboxyl groups)?
Our database includes 116 publications tagged with this CPC code.
Is patent activity under CPC C07C69/604 growing?
Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).