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DIFF Subgroup
A61K 31/13

Amines

Introduced: July 1974

Title

Titles differ between systems:

IPC: Amines, e.g. amantadine

CPC: Amines

Full Title

Full titles differ between systems:

IPC:

Medicinal preparations containing organic active ingredients > Amines, e.g. amantadine

CPC:

Medicinal preparations containing organic active ingredients > Amines

IPC and CPC are identically structured here. All 8 subcodes exist in both systems.

5 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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  • A61K 31/131 acyclic since 2000 IPC+CPC Available in IPC and CPC
  • A61K 31/132 having two or more amino groups, e.g. spermidine, putrescine since 2000 IPC+CPC Available in IPC and CPC
  • A61K 31/133 having hydroxy groups, e.g. sphingosine since 2000 IPC+CPC Available in IPC and CPC
  • A61K 31/14 Quaternary ammonium compounds, e.g. edrophonium, choline (betaines A61K31/205) since 1974 IPC+CPC Available in IPC and CPC
  • A61K 31/145 having sulfur, e.g. thiurams (>N—C(S)—S—C(S)—N< and >N—C(S)—S—S—C(S)—N<), Sulfinylamines (—N=SO), Sulfonylamines (—N=SO2) (isothiourea A61K31/155) since 1974 IPC+CPC Available in IPC and CPC
  • A61K 31/15 Oximes (>C=N—O—); Hydrazines (>N—N<); Hydrazones (>N—N=) since 1974 IPC+CPC Available in IPC and CPC
  • A61K 31/155 Amidines ([IMAGE cpc-sch-A61K-1029.gif]), e.g. guanidine (H2N—C(=NH)—NH2), isourea (N=C(OH)—NH2), isothiourea (—N=C(SH)—NH2) since 1974 IPC+CPC Available in IPC and CPC