DIFF Subgroup
C11D 1/12 Sulfonic acids or sulfuric acid esters; Salts thereof
Introduced: September 1968
Full Title
Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent > Anionic compounds > Sulfonic acids or sulfuric acid esters; Salts thereof
Of 10 combined children, 8 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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