Fluorinated carboxylic acid esters of phosphono- and phosphinocarboxylic acids containing hydroxyl and/or mercapto groups, a method for their preparation, and their use

US5424474A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Klaus Pohmer · Neunburg vorm Wald, DE
• Rainer Weber · Leverkusen, DE
• Hans-Dieter Block · Cologne, DE
• Hans-Heinrich Moretto · Cologne, DE

Key dates

• Filing date: Dec 23, 1993
• Grant date: Jun 13, 1995
• Expiry date: Dec 23, 2013

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E60/36
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to fluorinated carboxylic acid esters of phosphono- and phosphinocarboxylic acids containing hydroxyl and/or mercapto groups, their use as waterproofing and/or oil-repellency agents, and a method for their preparation.