Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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31/00
Medicinal preparations containing organic active ingredients
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A61K31/60
Salicylic acid; Derivatives thereof
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A61K31/612
having the hydroxy group in position 2 esterified, e.g. salicylsulfuric acid
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A61K31/616
by carboxylic acids, e.g. acetylsalicylic acid
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