Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids (hydroxamic acids A61K31/16; peroxy acids A61K31/327)

Introduced: July 1974

Title

Titles differ between systems:

IPC: Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids

CPC: Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids (hydroxamic acids A61K31/16; peroxy acids A61K31/327)

Full Title

Full titles differ between systems:

IPC:

Medicinal preparations containing organic active ingredients > Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids

CPC:

Medicinal preparations containing organic active ingredients > Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids (hydroxamic acids A61K31/16; peroxy acids A61K31/327)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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A61K 31/19 Carboxylic acids, e.g. valproic acid (salicylic acid A61K31/60) since 1974 IPC+CPC Available in IPC and CPC
A61K 31/205 Amine addition salts of organic acids; Inner quaternary ammonium salts, e.g. betaine, carnitine since 1974 IPC+CPC Available in IPC and CPC