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:
Nov. 07, 2017
Filed:
Jul. 23, 2015
Applicants:
Steffen Krill, Muehltal, DE;
Belaid Ait Aissa, Darmstadt, DE;
Alexander May, Seeheim-Jugenheim, DE;
Matthias Groemping, Darmstadt, DE;
Inventors:
Steffen Krill, Muehltal, DE;
Belaid Ait Aissa, Darmstadt, DE;
Alexander May, Seeheim-Jugenheim, DE;
Matthias Groemping, Darmstadt, DE;
Assignee:
Evonik Roehm GmbH, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/20 (2006.01); B01J 21/06 (2006.01); C01C 1/08 (2006.01); C01C 3/02 (2006.01);
U.S. Cl.
CPC ...
C07C 67/20 (2013.01); B01J 21/066 (2013.01); C01C 1/08 (2013.01); C01C 3/02 (2013.01);
Abstract
The present invention relates to a process for preparing alpha-hydroxycarboxylic esters from the alcoholysis of alpha-hydroxycarboxamides in the gas phase, characterized in that the conversion is effected in the presence of water.