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:
Jun. 02, 2020
Filed:
Oct. 05, 2017
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Sebastian Wloch, Ludwigshafen am Rhein, DE;
Gunnar Heydrich, Ludwigshafen am Rhein, DE;
Matthias Rauls, Ludwigshafen am Rhein, DE;
Assignee:
BASF SE, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/78 (2006.01); C07C 29/17 (2006.01); B01D 9/00 (2006.01);
U.S. Cl.
CPC ...
C07C 29/78 (2013.01); B01D 9/004 (2013.01); B01D 9/0013 (2013.01); C07C 29/172 (2013.01);
Abstract
The present invention relates to a process for enriching enantiomers from an enantiomer mixture by a fractionating melt crystallization in a melt crystallization apparatus. The invention specifically relates to a process for producing an enantiomer-enriched chiral terpene, in particular of D/L-Isopulegol. The process comprises: