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. 14, 2005
Filed:
Oct. 23, 2001
Applicants:
Paul Adriaan Van Der Schaaf, Allschwil, CH;
Claudia Marcolli, Zürich, CH;
Martin Szelagiewicz, Münchenstein, CH;
Beat Freiermuth, Buschwiller, FR;
Inventors:
Paul Adriaan Van Der Schaaf, Allschwil, CH;
Claudia Marcolli, Zürich, CH;
Martin Szelagiewicz, Münchenstein, CH;
Beat Freiermuth, Buschwiller, FR;
Assignee:
Ciba Specialty Chemicals Corpation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K031/135 ;
U.S. Cl.
CPC ...
Abstract
Crystalline forms of Venlafaxine hydrochloride were found, referred to hereinafter as polymorphic Forms A, B and D. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and pharmaceutical compositions comprising the crystalline forms.