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:
Jul. 15, 2003
Filed:
Mar. 28, 2002
Applicant:
Inventors:
Paul Alsters, Maastricht, NL;
Elisabeth Schmieder Van De Vondervoort, Haelen, NL;
Assignee:
DSM Fine Chemicals Austria NFG GmbH & Co KG, Linz, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 5/1235 ; C07C 5/123 ;
U.S. Cl.
CPC ...
C07C 5/1235 ; C07C 5/123 ;
Abstract
Process for the oxidation of aldehydes to the corresponding acids in which an aldehyde as substrate is oxidized to the corresponding acid in the presence of an equimolar amount, or a molar excess, of periodate, catalytic amounts of dichromate or CrO , and in the presence of an acid in water, a water/solvent mixture or in a solvent at a temperature of −20° C. to +50° C.