Polyesters; Polycarbonates

Polyesters; Polycarbonates · 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 codeC08F290/061
Official title{Polyesters; Polycarbonates}
Display labelPolyesters; Polycarbonates
Total patents214

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
201711
201810
201924
202019
202121
202227
202330
202426
202515
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 C08F290/061?
CPC C08F290/061 is the Cooperative Patent Classification code for “Polyesters; Polycarbonates.”
How many patents are filed under CPC C08F290/061 (Polyesters; Polycarbonates)?
Our database includes 214 publications tagged with this CPC code.
Is patent activity under CPC C08F290/061 growing?
Publication counts under this code: 26 in 2024 vs 15 in 2025 (latest complete years).