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DIFF Subgroup
C08F 20/52

Amides or imides

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof > Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof > Amides or imides

CPC:

Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof > Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof > Amides or imides

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1974.

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