Anionic surfactants and detergents comprising them

US10988710B2 · kind B2 · utility

Assignees

• Henkel AG & Co. KGaA · DE
• Studiengesellschaft Kohle gGmbH · DE

Inventors

• Christian Kropf · Hilden, DE
• Alexander Schulz · Rietberg, DE
• Hendrik Hellmuth · Darmstadt, DE
• Roberto Rinaldi · Wetter (Ruhr), DE
• Hebert Jesus Estevez Rivera · Bochum, DE

Key dates

• Filing date: Feb 2, 2018
• Grant date: Apr 27, 2021
• Expiry date: May 13, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D17/042
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Surfactants of the general formula (I) in which R1 is a linear or branched akyl radical having 6 to 20, especially 10 to 16 C atoms, R2 and R3 independently of one another are H or H3CO, and M is hydrogen, an alkali metal or a moiety N+R4R5R6, in which R4, R5 and R6 independently of one another are hydrogen, an alkyl group having 1 to 6 C atoms or a hydroxyalkyl group having 2 to 6 C atoms, are readily incorporated into laundry detergents or cleaning products, possess outstanding performance qualities and can be prepared on the basis of renewable raw materials.