The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 1993
Filed:
Dec. 07, 1992
Applicant:
Inventors:
Heinz R Feist, Greenwich, CT (US);
Werner Legat, Hanover, DE;
Hans-Walter Swidersky, Hanover, DE;
Matthias Rieland, Hanover, DE;
Thomas Born, Holle, DE;
Andrea Feldmann, Garbsen, DE;
Assignee:
Solvay Umweltchemie GmbH, Hanover, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210670 ; 210683 ; 210691 ; 210692 ;
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.