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:
Mar. 20, 2007
Filed:
Sep. 05, 2001
Applicants:
Andreas Fischer, Ludwigshafen, DE;
Hermann Pütter, Neustadt, DE;
Inventors:
Andreas Fischer, Ludwigshafen, DE;
Hermann Pütter, Neustadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C25B 3/00 (2006.01); C25B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process is provided for the preparation of trialkyl orthocarboxylates by the electrochemical oxidation of alpha, beta-diketones or alpha, beta-hydroxyketones, the keto group being present in the form of a ketal group derived from C- to C-alkylalcohols and the hydroxyl group optionally being present in the form of an ether group derived from C- to C-alkylalcohols (ketals K), in the presence of C- to C-alcohols (alcohols A), the molar ratio of the ketals K to the alcohols A in the electrolyte being 0.2:1 to 10:1.