Homopolymers or copolymers of esters {(C09J143/04 takes precedence)}

Homopolymers or copolymers of esters {(C09J143/04 takes precedence)} · 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 codeC09J133/04
Official titleHomopolymers or copolymers of esters {(C09J143/04 takes precedence)}
Display labelHomopolymers or copolymers of esters {(C09J143/04 takes precedence)}
Total patents751

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201559
201657
201761
201846
201966
202067
202169
202296
202367
202477
202563
202623

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 C09J133/04?
CPC C09J133/04 is the Cooperative Patent Classification code for “Homopolymers or copolymers of esters {(C09J143/04 takes precedence)}.”
How many patents are filed under CPC C09J133/04 (Homopolymers or copolymers of esters {(C09J143/04 takes precedence)})?
Our database includes 751 publications tagged with this CPC code.
Is patent activity under CPC C09J133/04 growing?
Publication counts under this code: 77 in 2024 vs 63 in 2025 (latest complete years).