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:
Nov. 01, 2011
Filed:
Mar. 12, 2008
Applicants:
Jaroslav Tihi, Novo Mesto, SI;
Rok Zupet, Ljubljana, SI;
Anica Pecavar, Novo Mesto, SI;
Ivanka Kolenc, Novo Mesto, SI;
Darja Pavlin, Straza, SI;
Inventors:
Jaroslav Tihi, Novo Mesto, SI;
Rok Zupet, Ljubljana, SI;
Anica Pecavar, Novo Mesto, SI;
Ivanka Kolenc, Novo Mesto, SI;
Darja Pavlin, Straza, SI;
Assignee:
KRKA, Tovarna Zdravil, D.D., Novo Mesto, Novo Mesto, SI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 295/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention describes a novel process for the preparation of levocetirizine and pharmaceutically acceptable acid addition salts thereof using diglycolic acid or derivatives thereof and new intermediates used in that process.