Heterocyclic compounds

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

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