Mixtures of anionic compounds with carboxylic amides or alkylol amides

Mixtures of anionic compounds with carboxylic amides or alkylol amides · 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 codeC11D1/652
Official title{Mixtures of anionic compounds with carboxylic amides or alkylol amides}
Display labelMixtures of anionic compounds with carboxylic amides or alkylol amides
Total patents47

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
201511
201614
20178
20194
20202
20213
20233
20242

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 C11D1/652?
CPC C11D1/652 is the Cooperative Patent Classification code for “Mixtures of anionic compounds with carboxylic amides or alkylol amides.”
How many patents are filed under CPC C11D1/652 (Mixtures of anionic compounds with carboxylic amides or alkylol amides)?
Our database includes 47 publications tagged with this CPC code.
Is patent activity under CPC C11D1/652 growing?
Publication counts under this code: 3 in 2023 vs 2 in 2024 (latest complete years).