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. 27, 2009
Filed:
Jan. 05, 2007
Applicants:
Janos Hajko, Debrecen, HU;
Tivadar Tamas, Debrecen, HU;
Adrienne Kovacsne-mezei, Debrecen, HU;
Erika Magyar Molnarne, Debrecen, HU;
Csaba Peto, Debrecen, HU;
Csaba Szabo, Debrecen, HU;
Inventors:
Janos Hajko, Debrecen, HU;
Tivadar Tamas, Debrecen, HU;
Adrienne Kovacsne-Mezei, Debrecen, HU;
Erika Magyar Molnarne, Debrecen, HU;
Csaba Peto, Debrecen, HU;
Csaba Szabo, Debrecen, HU;
Assignee:
TEVA Gyógyszergyár Zártkörúen Müködö Részvénytársaság, Debrecen, HU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 221/22 (2006.01); C07D 451/00 (2006.01); C07D 455/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an improved process for the preparation of Dolasetron salts, in particularly Dolasetron mesylate. Also provided are intermediates for the process and methods of preparing the intermediates.