Removal of unwanted matter, e.g. deodorisation or detoxification

Removal of unwanted matter, e.g. deodorisation or detoxification · 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 codeA23L5/20
Official titleRemoval of unwanted matter, e.g. deodorisation or detoxification
Display labelRemoval of unwanted matter, e.g. deodorisation or detoxification
Total patents194

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
20158
201614
201711
201815
201918
202016
202111
202235
202328
202421
202514
20263

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 A23L5/20?
CPC A23L5/20 is the Cooperative Patent Classification code for “Removal of unwanted matter, e.g. deodorisation or detoxification.”
How many patents are filed under CPC A23L5/20 (Removal of unwanted matter, e.g. deodorisation or detoxification)?
Our database includes 194 publications tagged with this CPC code.
Is patent activity under CPC A23L5/20 growing?
Publication counts under this code: 21 in 2024 vs 14 in 2025 (latest complete years).