DIFF Subgroup
C09K 23/22 Amides or hydrazides
Introduced: January 2022
Full Title
Use of substances as emulsifying, wetting, dispersing, or foam-producing agents > Amides or hydrazides
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2022.
Child Classifications
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- C09K 23/24 Amides of higher fatty acids with aminoalkylated sulfonic acids since 2022 IPC+CPC Available in IPC and CPC