Anionic surfactants and washing and cleaning agents containing same

US12163107B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Christian Kropf · Hilden, DE
• Mireia Subinya · Massenbachhausen, DE
• Danuta Bedrunka · Dormagen, DE
• Peter Hausoul · Landgraaf, NL
• Regina Palkovits · Aachen, DE
• Lukas Kipshagen · Aachen, DE

Key dates

• Filing date: Sep 20, 2021
• Grant date: Dec 10, 2024
• Expiry date: Dec 5, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D2111/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

An anionic surfactant of general formula (I) or general formula (II) or mixtures thereof, in which R represents hydrogen or a linear or branched alkyl, alkenyl, alkylaryl or alkenylaryl group having 5 to 25 C atoms, n represents a number from 1 to 21 and m represents a number from 0 to 20, the sum of n and m being less than 22, and X+ represents a charge-balancing cation. The invention also relates to a mixture of the anionic surfactant of general formula (I) and the anionic surfactant of general formula (II), obtainable by reacting a mixture of 3-hydroxymethylcyclopentanol monoalcoholates having secondary and primary alcoholate functions with an electrophilic alkyl, alkenyl, alkylaryl, or alkenylaryl derivative and the subsequent sulfation with a sulfating agent and optionally neutralization. The invention further relates to a method for producing the surfactant and to the use of the surfactant.