by adsorption

by adsorption · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA23L2/80
Official titleby adsorption
Display labelby adsorption
Total patents30

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
20153
20162
20171
20182
20192
20202
20217
20223
20232
20244
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 A23L2/80?
CPC A23L2/80 is the Cooperative Patent Classification code for “by adsorption.”
How many patents are filed under CPC A23L2/80 (by adsorption)?
Our database includes 30 publications tagged with this CPC code.
Is patent activity under CPC A23L2/80 growing?
Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).