with urea or thiourea

with urea or thiourea · 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 codeC09D161/24
Official titlewith urea or thiourea
Display labelwith urea or thiourea
Total patents39

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20157
20169
20175
20186
20196
20203
20221
20251
20261

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 C09D161/24?
CPC C09D161/24 is the Cooperative Patent Classification code for “with urea or thiourea.”
How many patents are filed under CPC C09D161/24 (with urea or thiourea)?
Our database includes 39 publications tagged with this CPC code.
Is patent activity under CPC C09D161/24 growing?
Publication counts under this code: 1 in 2022 vs 1 in 2025 (latest complete years).