Cyclodextrin laundry detergent additive complexes and compositions containing same

US7125833B2 · kind B2 · utility

Assignee

• Wacker Chemie AG · DE

Inventors

• Gerhard Schmid · Mindelheim, DE
• Mark W. Harrison · Onalaska, US
• Patrick Polchinski · Tecumseh, US

Key dates

• Filing date: Mar 24, 2003
• Grant date: Oct 24, 2006
• Expiry date: Oct 22, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/373
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Cyclodextrin inclusion complexes of hydrophobic actives are useful in liquid and solid laundry detergent formulations. The inclusion complexes are stable and capable of releasing their active ingredients gradually during wash and rinse cycles.