Low-molecular-weight compounds

Introduced: July 1974

Full Title

Polymeric products of isocyanates or isothiocyanates > with compounds having active hydrogen > characterised by the compounds used containing active hydrogen > Low-molecular-weight compounds

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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C08G 18/302 +2 CPC CPC only CPC only
C08G 18/32 Polyhydroxy compounds; Polyamines; Hydroxyamines since 1974 +3 CPC IPC+CPC Available in IPC and CPC
C08G 18/34 Carboxylic acids; Esters thereof with monohydroxyl compounds since 1974 +3 CPC IPC+CPC Available in IPC and CPC
C08G 18/36 Hydroxylated esters of higher fatty acids since 1974 IPC+CPC Available in IPC and CPC
C08G 18/38 having heteroatoms other than oxygen (C08G18/32 takes precedence) since 1974 +6 CPC IPC+CPC Available in IPC and CPC