Polyesters; Polycarbonates; Alkyd resins

Polyesters; Polycarbonates; Alkyd resins · 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 codeD06P1/5271
Official title{Polyesters; Polycarbonates; Alkyd resins}
Display labelPolyesters; Polycarbonates; Alkyd resins
Total patents110

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
20152
20173
20189
201910
202016
202115
202218
202318
20249
20259
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 D06P1/5271?
CPC D06P1/5271 is the Cooperative Patent Classification code for “Polyesters; Polycarbonates; Alkyd resins.”
How many patents are filed under CPC D06P1/5271 (Polyesters; Polycarbonates; Alkyd resins)?
Our database includes 110 publications tagged with this CPC code.
Is patent activity under CPC D06P1/5271 growing?
Publication counts under this code: 9 in 2024 vs 9 in 2025 (latest complete years).