CPC Main Group
A23B 4/00 Preservation of meat, sausages, fish or fish products
Filing statistics
CPC A23B 4/00 belongs to the parent subclass A23B, which recorded 70,709 patent applications worldwide between 2013 and 2023. Annual filings grew from 3,738 in 2013 to 4,463 in 2023 (+19%), peaking at 9,429 applications in 2017. The most active applicants in class A23 are NESTLE (5,075 applications), NESTEC (3,916 applications) and DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) (2,558 applications).
Source: EPO PATSTAT, worldwide filings
12 direct subcodes
Child Classifications
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- A23B 4/005 Preserving by heating
- A23B 4/015 Preserving by irradiation or electric treatment without heating effect
- A23B 4/02 Preserving by means of inorganic salts (apparatus therefor A23B4/26, A23B4/32)
- A23B 4/03 Drying; Subsequent reconstitution
- A23B 4/044 Smoking; Smoking devices
- A23B 4/06 Freezing; Subsequent thawing; Cooling
- A23B 4/10 Coating with a protective layer; Compositions or apparatus therefor
- A23B 4/12 Preserving with acids; Acid fermentation
- A23B 4/14 Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
- A23B 4/26 Apparatus for preserving using liquids
- A23B 4/32 Apparatus for preserving using solids
Top Applicants
Top 10 applicants by patent filingsfor class A23, 2013–2023, worldwide · Source: EPO PATSTAT
- NESTLE CH 5,075
- NESTEC CH 3,916
- DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) NL 2,558
- JIANGNAN UNIVERSITY 2,196
- SUNTORY HOLDINGS JP 2,133
- CJ CHEILJEDANG CORPORATION KR 1,842
- CARGILL US 1,708
- REPUBLIC OF KOREA (RURAL DEVELOPMENT ADMINISTRATION) KR 1,341
- CHINESE ACADEMY OF SCIENCES 1,279
- MARS US 1,161