Carboxyl groups

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 codeC09D201/08
Official titleCarboxyl groups
Display labelCarboxyl groups
Total patents85

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20158
20166
20178
20184
201910
20208
20214
202213
20238
20245
20254
20267

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 C09D201/08?
CPC C09D201/08 is the Cooperative Patent Classification code for “Carboxyl groups.”
How many patents are filed under CPC C09D201/08 (Carboxyl groups)?
Our database includes 85 publications tagged with this CPC code.
Is patent activity under CPC C09D201/08 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).