Compositions comprising sulfonated estolides and alkyl ester sulfonates, methods of making them, and compositions and processes employing them

US8338358B2 · kind B2 · utility

Assignee

• STEPAN COMPANY · US

Inventors

• Randal J. Bernhardt · Antioch, US
• Lourdes R. Alonso · Deerfield, US
• Gregory P. Dado · Chicago, US
• Eddie I. Filipovic · Evanston, US
• Christopher A. Gariepy · Northbrook, US
• Ronald A. Masters · Glenview, US
• Dennis S. Murphy · Wyckoff, US
• Jacqueline M. Pytel · Libertyville, US
• Branko Sajic · Lincolnwood, US
• Irene Shapiro · Buffalo Grove, US
• Jeremy Aaron Weitgenant · Grayslake, US

Key dates

• Filing date: Jan 26, 2012
• Grant date: Dec 25, 2012
• Expiry date: Jan 26, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/3788
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Compositions comprising sulfo-estolides and alkyl ester sulfonates are described. Detergent formulations, such as laundry detergents, softeners, and other materials, containing any of these materials are disclosed, as well as personal care formulations, hard surface cleaner formulations, and automatic dishwasher detergent formulations. Laundry methods employing these formulations are also disclosed. These formulations are useful as laundry detergents and can be biodegradable, heavy duty liquids, 2× or 3× and up to 6× concentrates, low foaming, and/or effective in a high efficiency washing machine.