derived from hydroxy-carboxylic acids, e.g. lactones

derived from hydroxy-carboxylic acids, e.g. lactones · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeD01F6/625
Official title{derived from hydroxy-carboxylic acids, e.g. lactones}
Display labelderived from hydroxy-carboxylic acids, e.g. lactones
Total patents274

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
201531
201625
201715
201830
201924
202023
202123
202218
202325
202426
202528
20266

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 D01F6/625?
CPC D01F6/625 is the Cooperative Patent Classification code for “derived from hydroxy-carboxylic acids, e.g. lactones.”
How many patents are filed under CPC D01F6/625 (derived from hydroxy-carboxylic acids, e.g. lactones)?
Our database includes 274 publications tagged with this CPC code.
Is patent activity under CPC D01F6/625 growing?
Publication counts under this code: 26 in 2024 vs 28 in 2025 (latest complete years).