IPC Subgroup
A23B 9/1 Freezing; Subsequent thawing; Cooling
Introduced: January 1990
Last revised: January 2006
Full Title
Preservation of edible seeds, e.g. cereals > Freezing; Subsequent thawing; Cooling
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; PREPARATION, TREATMENT OR PRESERVATION THEREOF
- Subclass:
- PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
Filing statistics
IPC A23B 9/1 belongs to the parent subclass A23B, which recorded 56,029 patent applications worldwide between 2013 and 2023. Annual filings grew from 3,333 in 2013 to 4,977 in 2023 (+49%), peaking at 6,852 applications in 2017. The most active applicants in class A23 are KVASENKOV OLEG IVANOVICH (6,158 applications), NESTLE (4,562 applications) and NESTEC (3,354 applications).
Source: EPO PATSTAT, worldwide filings
1 direct subcode
Child Classifications
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- A23B 9/12 Thawing subsequent to freezing
Top Applicants
Top 10 applicants by patent filingsfor class A23, 2013–2023, worldwide · Source: EPO PATSTAT
- KVASENKOV OLEG IVANOVICH RU 6,158
- NESTLE CH 4,562
- NESTEC CH 3,354
- JIANGNAN UNIVERSITY 2,699
- DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) NL 2,320
- SUNTORY HOLDINGS JP 1,926
- CHINESE ACADEMY OF SCIENCES 1,804
- CJ CHEILJEDANG CORPORATION KR 1,653
- CARGILL US 1,588
- REPUBLIC OF KOREA (RURAL DEVELOPMENT ADMINISTRATION) KR 1,314