with melamine

with melamine · 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 codeC09D161/28
Official titlewith melamine
Display labelwith melamine
Total patents174

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
201514
201621
201716
201821
201925
202018
202114
202214
202310
202411
20256
20264

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 C09D161/28?
CPC C09D161/28 is the Cooperative Patent Classification code for “with melamine.”
How many patents are filed under CPC C09D161/28 (with melamine)?
Our database includes 174 publications tagged with this CPC code.
Is patent activity under CPC C09D161/28 growing?
Publication counts under this code: 11 in 2024 vs 6 in 2025 (latest complete years).