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:
Dec. 11, 2018
Filed:
Jun. 17, 2016
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Klaus Fischer, Neustadt, DE;
Benjamin Nehls, Mannheim, DE;
Jürgen Deschler, Elmstein, DE;
Walter Dobler, Schwetzingen, DE;
Arnulf Lauterbach, Ludwigshafen, DE;
Sabine Schlautmann, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/33 (2006.01); C07B 63/04 (2006.01); C07B 55/00 (2006.01); C07B 41/06 (2006.01);
U.S. Cl.
CPC ...
C07D 307/33 (2013.01); C07B 41/06 (2013.01); C07B 55/00 (2013.01); C07B 63/04 (2013.01);
Abstract
The present invention relates to a novel process for the preparation of pantolactone by reaction of hydroxypivalaldehyde cyanohydrin in a phase separation process.