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. 25, 2011
Filed:
Oct. 26, 2006
Applicants:
Arne Grumann, Kauniainen, FI;
Soini Huhta, Espoo, FI;
Petteri Rummakko, Espoo, FI;
Viesturs Lusis, Riga, LV;
Inventors:
Arne Grumann, Kauniainen, FI;
Soini Huhta, Espoo, FI;
Petteri Rummakko, Espoo, FI;
Viesturs Lusis, Riga, LV;
Assignee:
Fermion Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/554 (2006.01); C07D 281/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for preparing and purifying crystalline quetiapine hemifumarate, which comprises preparing crystalline quetiapine hemifumarate via a crystalline salt, which is not a salt of fumaric acid.