Liquid laundry detergent compositions with silicone blends as fabric care agents

US7335630B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Patrick Firmin August Delplancke · Laarne, BE
• Jean-Pol Boutique · Gembloux, BE
• Stefano Scialla · Roma, IT
• Connie Lynn Sheets · Cincinnati, US
• James Charles Theophile Roger Burckett St Laurent · Brussels, BE
• Hugo Robert Germain Denutte · Hofstade, BE

Key dates

• Filing date: Apr 15, 2005
• Grant date: Feb 26, 2008
• Expiry date: May 8, 2025

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/50
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention is directed to aqueous liquid laundry detergent compositions for cleaning and imparting fabric care benefits to fabrics laundered therewith. Such compositions comprise (A) at least one detersive surfactant; (B) droplets of a silicone blend comprising a nitrogen-containing amino or ammonium functionalized polysiloxane and a nitrogen-free non-functionalized polysiloxane; and (C) at least one additional non-silicone laundry adjunct selected from detersive enzymes, dye transfer inhibiting agents, optical brighteners, suds suppressors and combinations thereof. The functionalized polysiloxane component of the silicone blend has a relatively low, i.e., less than 30 mol %, content of reactive/curable groups, a nitrogen content which ranges from 0.05% to 0.30% by weight and a viscosity which ranges from 0.00002 m2/s to 0.2 m2/s. The nitrogen-free non-functionalized polysiloxane material ranges in viscosity from 0.01 m2/sec to 2.0 m2/sec. The silicone blend is preferably used in a pre-formed emulsion which can be added to the balance of the detergent composition to form the droplets of the silicone blend which are dispersed in the detergent composition.