Detergent compositions inhibiting dye transfer in washing

US5474576A · kind A · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Christiaan Arthur Jacques Kamiel Thoen · Haasdonk, BE
• Adbennaceur Fredj · Vilvoorde, BE
• Regine Labeque · Neder-Over-Heembeek, BE

Key dates

• Filing date: Jul 18, 1994
• Grant date: Dec 12, 1995
• Expiry date: Jul 18, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/3472
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A dye transfer inhibiting compositions are disclosed, comprising: PA1 A. an metallo catalyst selected from PA2 a) metallo porphin and water-soluble or water-dispersable derivatives thereof; PA2 b) metallo porphyrin and water-soluble or water-dispersable derivatives thereof; PA2 c) metallo phthalocyanine and water-soluble or water-dispersable derivatives thereof; PA1 B. an amine base catalyst stabilizer capable of binding to the 5th ligand of the metallo catalyst. PA1 C. an enzymatic system capable of generating hydrogen peroxide.