Sorption of carboxylic acids by means of rubber

US5236597A · kind A · utility

Assignee

• Solvay Umweltchemie GmbH · DE

Inventors

• Heinz-Rudi Feist · Greenwich, US
• Werner Legat · Hannover, DE
• Hans-Walter Swidersky · Hannover, DE
• Matthias Rieland · Hannover, DE
• Thomas Born · Holle, DE
• Andrea Feldmann · Garbsen, DE

Key dates

• Filing date: Dec 7, 1992
• Grant date: Aug 17, 1993
• Expiry date: Dec 7, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C02F1/285
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A method of using rubber, preferably from tire recycling, for absorbing organic carboxylic acids containing from 1 to 3 carbon atoms optionally substituted with from 1 to 5 halogen atoms. Trifluoroacetic acid, for example, can be absorbed very effectively.