on to unsaturated polyethers, polyoxymethylenes or polyacetals

on to unsaturated polyethers, polyoxymethylenes or polyacetals · 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 codeC08F283/065
Official title{on to unsaturated polyethers, polyoxymethylenes or polyacetals}
Display labelon to unsaturated polyethers, polyoxymethylenes or polyacetals
Total patents177

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
20156
201615
201721
201821
201911
202015
202119
202220
202318
202412
202516
20263

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 C08F283/065?
CPC C08F283/065 is the Cooperative Patent Classification code for “on to unsaturated polyethers, polyoxymethylenes or polyacetals.”
How many patents are filed under CPC C08F283/065 (on to unsaturated polyethers, polyoxymethylenes or polyacetals)?
Our database includes 177 publications tagged with this CPC code.
Is patent activity under CPC C08F283/065 growing?
Publication counts under this code: 12 in 2024 vs 16 in 2025 (latest complete years).