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:
Jan. 19, 2010
Filed:
May. 29, 2006
Applicants:
Helmut Heinrich Buschmann, Sant just Desvern, ES;
Wolfgang Hell, Aachen, DE;
Inventors:
Helmut Heinrich Buschmann, Sant just Desvern, ES;
Wolfgang Hell, Aachen, DE;
Assignee:
Gruenenthal GmbH, Aachen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 269/08 (2006.01); C07C 67/48 (2006.01); C07C 209/88 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a method for the isolation of a stereoisomer from a mixture comprising the two stereoisomers of the general formulae (I-A) and (I-A') and/or the two stereoisomers of the general formulae (I-B) and (I-B′)