with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature

with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature · 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 codeA23B4/09
Official titlewith direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature
Display labelwith direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature
Total patents38

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
20155
20163
20171
20182
20194
20203
20215
20226
20236
20242
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 A23B4/09?
CPC A23B4/09 is the Cooperative Patent Classification code for “with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature.”
How many patents are filed under CPC A23B4/09 (with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature)?
Our database includes 38 publications tagged with this CPC code.
Is patent activity under CPC A23B4/09 growing?
Publication counts under this code: 6 in 2023 vs 2 in 2024 (latest complete years).