Defoamers, air detrainers

Defoamers, air detrainers · 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 codeC04B2103/50
Official titleDefoamers, air detrainers
Display labelDefoamers, air detrainers
Total patents287

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
201518
201624
201733
201831
201930
202031
202119
202223
202328
202427
202521
20262

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 C04B2103/50?
CPC C04B2103/50 is the Cooperative Patent Classification code for “Defoamers, air detrainers.”
How many patents are filed under CPC C04B2103/50 (Defoamers, air detrainers)?
Our database includes 287 publications tagged with this CPC code.
Is patent activity under CPC C04B2103/50 growing?
Publication counts under this code: 27 in 2024 vs 21 in 2025 (latest complete years).