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. 22, 2018
Filed:
Feb. 17, 2017
Applicant:
Haldor Topsoe A/s, Kgs. Lyngby, DK;
Inventors:
Martin Spangsberg Holm, Oxford, GB;
Irantzu Sadaba Zubiri, Frederiksberg, DK;
Søren Tolborg, Dyssegård, DE;
Christian Mårup Osmundsen, Gentofte, DK;
Esben Taarning, Frederiksberg, DK;
Assignee:
Haldor Topsoe A/S, Lyngby, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/66 (2006.01); B01J 29/70 (2006.01); C07C 67/00 (2006.01); B01J 29/08 (2006.01); B01J 37/04 (2006.01); B01J 37/08 (2006.01); B01J 37/10 (2006.01);
U.S. Cl.
CPC ...
B01J 29/7057 (2013.01); B01J 29/088 (2013.01); B01J 29/7049 (2013.01); B01J 37/04 (2013.01); B01J 37/08 (2013.01); B01J 37/10 (2013.01); C07C 67/00 (2013.01); B01J 2229/16 (2013.01); Y02P 20/582 (2015.11);
Abstract
A process for the preparation of lactic acid and 2-hydroxy-3-butenoic acid or esters thereof from a sugar in the presence of a metallo-silicate material, a metal ion and a solvent, wherein the metal ion is selected from one or more of the group consisting of potassium ions, sodium ions, lithium ions, rubidium ions and caesium ions.