DIFF Main Group
C09K 23/00 Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
Introduced: January 2022
Of 28 combined children, 23 exist in both systems.
5 codes are CPC-only extensions.
3 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2022.
Child Classifications
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- C09K 23/02 Alkyl sulfonates or sulfuric acid ester salts derived from monohydric alcohols since 2022 IPC+CPC Available in IPC and CPC
- C09K 23/04 Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino alcohols or derivatives thereof (sulfated or sulfonated fatty oils C09K23/08) since 2022 IPC+CPC Available in IPC and CPC
- C09K 23/06 Esters of higher fatty acids with hydroxyalkylated sulfonic acids or salts thereof since 2022 IPC+CPC Available in IPC and CPC
- C09K 23/08 Sulfation or sulfonation products of fats, oils, waxes, or higher fatty acids or esters thereof with monovalent alcohols since 2022 IPC+CPC Available in IPC and CPC
- C09K 23/10 Derivatives of low-molecular-weight sulfocarboxylic acids or sulfopolycarboxylic acids since 2022 IPC+CPC Available in IPC and CPC
- C09K 23/12 Sulfonates of aromatic or alkylated aromatic compounds since 2022 IPC+CPC Available in IPC and CPC
- C09K 23/28 Aminocarboxylic acids (proteins and protein hydrolysates C09K23/30) since 2022 IPC+CPC Available in IPC and CPC