Patent classifications
A
HUMAN NECESSITIES
Load children
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
Load children
A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
Load children
31/00
Medicinal preparations containing organic active ingredients
Load children Filter patents View analytics View as hierarchy
A61K31/185
Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
Load children Filter patents View analytics View as hierarchy
A61K31/205
Amine addition salts of organic acids; Inner quaternary ammonium salts, e.g. betaine, carnitine
Filter patents View analytics View as hierarchy