Sulfonated poly-ethoxy/propoxy end-capped ester oligomers suitable as soil release agents in detergent compositions

US5415807A · kind A · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Eugene Paul Gosselink · Cincinnati, US
• Robert Ya-lin Pan · Cincinnati, US
• Patti Jean Kellett · Sharonville, US
• Robin Gibson Hall · Newcastle upon Tyne, GB

Key dates

• Filing date: Sep 17, 1993
• Grant date: May 16, 1995
• Expiry date: Sep 17, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/3715
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Anionic sulfonated poly-ethoxy/propoxy, especially modified isethionate, end-capped esters useful as soil release agents in detergent compositions are presented. The terephthalate esters are homogeneously integrated with one or more crystallization-reducing stabilizers.