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.

Date of Patent:
Dec. 08, 2009

Filed:

Apr. 10, 2004
Applicants:

Michael Kirschbaum, Weiterstadt, DE;

Ekkehard Bartmann, Erzhausen, DE;

Dieter Bensinger, Darmstadt, DE;

Alexander Haas, Darmstadt, DE;

Ricky Lippert, Brensbach, DE;

Inventors:

Michael Kirschbaum, Weiterstadt, DE;

Ekkehard Bartmann, Erzhausen, DE;

Dieter Bensinger, Darmstadt, DE;

Alexander Haas, Darmstadt, DE;

Ricky Lippert, Brensbach, DE;

Assignee:

Merck Patent GmbH, Darmstadt, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 233/65 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a process for the crystallization of the compounds of the formula (I) or acid-addition salts thereof, in which R, Rand Rhave the meaning indicated in Claim.


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