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. 07, 2014
Filed:
Sep. 03, 2013
Applicant:
Nissan Chemical Industries, Ltd., Tokyo, JP;
Inventors:
Paul Adriaan Van Der Schaaf, Hagenthal-le-Haut, FR;
Fritz Blatter, Reinach, CH;
Martin Szelagiewicz, Muenchenstein, CH;
Kai-Uwe Schoening, Oberwil, CH;
Assignee:
Nissan Chemical Industries Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 215/14 (2006.01);
U.S. Cl.
CPC ...
C07D 215/14 (2013.01);
Abstract
The present invention is directed to new crystalline forms of Pitavastatin hemicalcium salt, referred to hereinafter as polymorphic Forms A, B, C, D, E and F, as well as the amorphous form. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and the amorphous form and pharmaceutical compositions comprising these crystalline forms or the amorphous forms.