Cyclic esters, e.g. lactones

Cyclic esters, 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 codeD06M13/228
Official titleCyclic esters, e.g. lactones
Display labelCyclic esters, e.g. lactones
Total patents25

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
20162
20181
20192
20202
20213
20225
20232
20243
20254
20261

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 D06M13/228?
CPC D06M13/228 is the Cooperative Patent Classification code for “Cyclic esters, e.g. lactones.”
How many patents are filed under CPC D06M13/228 (Cyclic esters, e.g. lactones)?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC D06M13/228 growing?
Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).