Liquid laundry composition

US12116552B2 · kind B2 · utility

Assignee

• Conopco, Inc. · US

Inventors

• Julie Bennett · Bebington, GB
• Robert Carswell · London, GB
• Holger Türk · Mannheim, DE
• Susanne Carina Engert · Ludwigshafen, DE
• Alexander Michael HAYDL · Mannheim, DE

Key dates

• Filing date: May 10, 2021
• Grant date: Oct 15, 2024
• Expiry date: May 10, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D2111/12
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A liquid laundry composition comprising: (i) from 1 to 60 wt % of one or more surfactants selected from non-soap anionic surfactants, nonionic surfactants, and mixtures thereof; and (ii) from 0.05 to 10 wt % of an amphoterically-modified oligopropyleneimine ethoxylate having a following formula (I) wherein E is an ethoxy side chain corresponding to a formula —(RO)n—R′ (I) in which R units are ethylene; n has an average value from 5 to 50, preferably from 10 to 40; R′ units are each independently selected from hydrogen and SO3—, wherein at least 30% of R′ units, preferably at least 50%, are SO3—; Q units are each independently selected from C1-C4 alkyl, H and a free electron pair, wherein at least 50% of Q units, preferably at least 80% Y, more preferably at least 90% are C1-C4 alkyl; and x ranges from 1 to 3.