Laundry detergents and laundry treatment compositions comprising dye-transfer-inhibiting dye fixatives

US7091167B2 · kind B2 · utility

Assignee

• Clariant Corporation · DE

Inventors

• Frank-Peter Lang · Hattersheim, DE
• Helmut Berenbold · Wiesbaden, DE
• Michael Wessling · Maintal, DE

Key dates

• Filing date: Feb 28, 2002
• Grant date: Aug 15, 2006
• Expiry date: Oct 23, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/3723
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The following dye-transfer-inhibiting dye fixatives are used in laundry detergents which comprise nonionic surfactants:Reaction products of