Polyesters derived from hydroxy carboxylic acids, e.g. lactones (C08J2367/06 takes precedence)

Polyesters derived from hydroxy carboxylic acids, e.g. lactones (C08J2367/06 takes precedence) · 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 codeC08J2367/04
Official titlePolyesters derived from hydroxy carboxylic acids, e.g. lactones (C08J2367/06 takes precedence)
Display labelPolyesters derived from hydroxy carboxylic acids, e.g. lactones (C08J2367/06 takes precedence)
Total patents1,076

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
201591
2016115
201785
201892
201986
202098
2021102
202291
202391
2024108
202593
202624

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 C08J2367/04?
CPC C08J2367/04 is the Cooperative Patent Classification code for “Polyesters derived from hydroxy carboxylic acids, e.g. lactones (C08J2367/06 takes precedence).”
How many patents are filed under CPC C08J2367/04 (Polyesters derived from hydroxy carboxylic acids, e.g. lactones (C08J2367/06 takes precedence))?
Our database includes 1,076 publications tagged with this CPC code.
Is patent activity under CPC C08J2367/04 growing?
Publication counts under this code: 108 in 2024 vs 93 in 2025 (latest complete years).