IPC Subgroup
A23K 20/116 Heterocyclic compounds
Introduced: January 2016
Full Title
Accessory food factors for animal feeding-stuffs > Organic substances > Heterocyclic compounds
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; PREPARATION, TREATMENT OR PRESERVATION THEREOF
- Subclass:
- FEEDING-STUFFS SPECIALLY ADAPTED FOR ANIMALS; METHODS SPECIALLY ADAPTED FOR PRODUCTION THEREOF
3 direct subcodes
Child Classifications
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- A23K 20/121 containing oxygen or sulfur as hetero atom
- A23K 20/132 containing only one nitrogen as hetero atom
- A23K 20/137 containing two hetero atoms, of which at least one is nitrogen
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