CPC Main Group
A23B 2/00 Preservation of foods or foodstuffs, in general
Filing statistics
CPC A23B 2/00 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 2/05 by heating using irradiation or electric treatment (drying or kilning A23B2/90)
- A23B 2/10 by treatment with pressure variation, shock, acceleration or shear stress
- A23B 2/20 by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus
- A23B 2/30 by heating materials in packages which are not progressively transported through the apparatus
- A23B 2/40 by heating loose unpacked materials
- A23B 2/50 by irradiation without heating
- A23B 2/60 by treatment with electric currents without heating effect
- A23B 2/70 by treatment with chemicals
- A23B 2/80 Freezing; Subsequent thawing; Cooling
- A23B 2/90 by drying or kilning; Subsequent reconstitution
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