Polymers of esters

Polymers of esters · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB29K2033/04
Official titlePolymers of esters
Display labelPolymers of esters
Total patents385

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
201531
201642
201750
201847
201945
202035
202136
202228
202321
202423
202525
20262

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 B29K2033/04?
CPC B29K2033/04 is the Cooperative Patent Classification code for “Polymers of esters.”
How many patents are filed under CPC B29K2033/04 (Polymers of esters)?
Our database includes 385 publications tagged with this CPC code.
Is patent activity under CPC B29K2033/04 growing?
Publication counts under this code: 23 in 2024 vs 25 in 2025 (latest complete years).