containing anhydride, COOH or COOM groups, with M being metal or onium-cation

containing anhydride, COOH or COOM groups, with M being metal or onium-cation · 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 codeC09D133/064
Official title{containing anhydride, COOH or COOM groups, with M being metal or onium-cation}
Display labelcontaining anhydride, COOH or COOM groups, with M being metal or onium-cation
Total patents186

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201510
201611
20176
201812
201917
202020
202112
202227
202321
202421
202524
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 C09D133/064?
CPC C09D133/064 is the Cooperative Patent Classification code for “containing anhydride, COOH or COOM groups, with M being metal or onium-cation.”
How many patents are filed under CPC C09D133/064 (containing anhydride, COOH or COOM groups, with M being metal or onium-cation)?
Our database includes 186 publications tagged with this CPC code.
Is patent activity under CPC C09D133/064 growing?
Publication counts under this code: 21 in 2024 vs 24 in 2025 (latest complete years).