Fluoroalkylethoxylate compositions having enhanced water solubility

US5567857A · kind A · utility

Assignee

• E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

• Hsu-Nan Huang · Newark, US
• Robert A. Halling · Wilmington, US

Key dates

• Filing date: Jun 21, 1994
• Grant date: Oct 22, 1996
• Expiry date: Jun 21, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D1/004
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Mixture of the compounds: F(CF.sub.2).sub.m --(CH.sub.2).sub.n --(OCH.sub.2 CH.sub.2)p--OH wherein m=2 and about 20, but in at least 5 weight % of molecules m is 8 or higher or mixtures of the same, but in no more than 5 weight % of the molecules is m equal to 14 or higher or mixtures of the same; n=1 to 3; & p=1 to 40, but the mixture has an average p=8 to 17.