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:
Feb. 18, 2003
Filed:
Dec. 21, 2001
Applicant:
Inventors:
Bernhard Akteries, Aachen, DE;
Michael Finkam, Aachen, DE;
Assignee:
Gruenenthal GmbH, Aachen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
A method for separating the diastereomer bases of 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)-cyclohexanol in which the separation of the diastereomer bases takes place through formation of a base hydrate.