Bleaching compositions containing perfume microcapsules and a stabilizing agent

US8053402B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Giulia Ottavia Bianchetti · Brussels, BE
• Marc Francois Theophile Evers · Strombeek-Bever, BE
• Johan Smets · Holsbeek, BE
• Giovanni Grande · Roma, IT

Key dates

• Filing date: Jan 14, 2010
• Grant date: Nov 8, 2011
• Expiry date: Jan 14, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/505
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Liquid compositions, which are chemically and physically stable, comprising peroxygen bleach, a crystalline hydroxyl-containing stabilizing agent, perfume microcapsules and more than 10% of surfactant by weight of the total composition. The perfumes microcapsules, preferably, comprise a polymeric outer shell made of the condensation of melamine and formaldehyde. Process for laundering fabrics comprising the step of contacting the fabrics with said bleaching compositions.