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:
May. 06, 1997
Filed:
Sep. 22, 1995
Applicant:
Inventor:
Srinivasan Sridhar, Marl, DE;
Assignee:
Huels Aktienegsellschaft, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
204529 ; 204530 ; 204537 ; 204541 ;
Abstract
A process for the preparation of keto compounds from the associated alkali metal salts, in which process protonation is carried out by electrodialysis in a nonaqueous medium without the addition of acid which is foreign to the system, and the keto compounds are thereby liberated.