based on waxes or bitumen

based on waxes or bitumen · 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 codeC09D11/12
Official titlebased on waxes or bitumen
Display labelbased on waxes or bitumen
Total patents302

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201529
201634
201732
201824
201924
202025
202120
202223
202319
202433
202529
202610

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 C09D11/12?
CPC C09D11/12 is the Cooperative Patent Classification code for “based on waxes or bitumen.”
How many patents are filed under CPC C09D11/12 (based on waxes or bitumen)?
Our database includes 302 publications tagged with this CPC code.
Is patent activity under CPC C09D11/12 growing?
Publication counts under this code: 33 in 2024 vs 29 in 2025 (latest complete years).