CPC Subgroup
A23K 20/116 Heterocyclic compounds
Full Title
Accessory food factors for animal feeding-stuffs > Organic substances > Heterocyclic compounds
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
- 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