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. 31, 2018
Filed:
Jan. 22, 2016
Applicant:
Oxfa Gmbh, Schesslitz, DE;
Inventor:
Hermann Wolf Jbach, Bischberg, DE;
Assignee:
OXFA GMBH, Schesslitz, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/235 (2006.01); C07C 53/02 (2006.01);
U.S. Cl.
CPC ...
C07C 51/235 (2013.01); C07C 53/02 (2013.01);
Abstract
Methods for catalytic generation of formic acid at an oxygen partial pressure of less than 1 bar and regeneration of the catalyst used in this process, wherein a polyoxometallate ion of the general formula [PMoVO], which serves as the catalyst, is brought in contact with an alpha-hydroxyaldehyde, an alpha-hydroxycarboxylic acid, a carbohydrate, a glycoside or a polymer containing a carbon chain with at least one OH group bound as a repeatedly occurring substituent to the carbon chain and/or an O, N or S atom occurring repeatedly in the carbon chain in a liquid solution in a vessel, at a temperature above 70 ° C. and below 120 ° C.