Homopolymers or copolymers of esters containing halogen atoms

Homopolymers or copolymers of esters containing halogen atoms · 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 codeC08L33/16
Official titleHomopolymers or copolymers of esters containing halogen atoms
Display labelHomopolymers or copolymers of esters containing halogen atoms
Total patents322

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
201537
201633
201735
201830
201933
202044
202126
202225
202323
202416
202511
20269

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 C08L33/16?
CPC C08L33/16 is the Cooperative Patent Classification code for “Homopolymers or copolymers of esters containing halogen atoms.”
How many patents are filed under CPC C08L33/16 (Homopolymers or copolymers of esters containing halogen atoms)?
Our database includes 322 publications tagged with this CPC code.
Is patent activity under CPC C08L33/16 growing?
Publication counts under this code: 16 in 2024 vs 11 in 2025 (latest complete years).