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:
Oct. 28, 2008
Filed:
Apr. 08, 2005
Paul Adriaan Van Der Schaaf, Hagenthal-le-Haut, FR;
Franz Schwarzenbach, Frenkendorf, CH;
Hans Jürg Kirner, Pratteln, CH;
Martin Szelagiewicz, Münchenstein, CH;
Claudia Marcolli, Zürich, CH;
Andreas Burkhard, Basel, CH;
Paul Adriaan Van Der Schaaf, Hagenthal-le-Haut, FR;
Franz Schwarzenbach, Frenkendorf, CH;
Hans Jürg Kirner, Pratteln, CH;
Martin Szelagiewicz, Münchenstein, CH;
Claudia Marcolli, Zürich, CH;
Andreas Burkhard, Basel, CH;
Ciba Specialty Chemicals Corp., Tarrytown, NY (US);
Abstract
Sertraline hydrochloride polymorphic form II is conveniently prepared by adding hydrogen chloride to solution of sertraline free amine in a ketone. In preferred processes, the solution of sertraline free amine seeded with some crystals of polymorphic form II and/or the solution is heated before addition of the hydrogen chloride.