obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds

obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds · 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 codeC03C25/32
Official titleobtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
Display labelobtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
Total patents181

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
201515
201613
201715
201816
201915
202016
202111
202215
202328
202419
202513
20265

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 C03C25/32?
CPC C03C25/32 is the Cooperative Patent Classification code for “obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds.”
How many patents are filed under CPC C03C25/32 (obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds)?
Our database includes 181 publications tagged with this CPC code.
Is patent activity under CPC C03C25/32 growing?
Publication counts under this code: 19 in 2024 vs 13 in 2025 (latest complete years).