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:
Mar. 17, 2015
Filed:
Sep. 22, 2009
Applicants:
Yvon Derrien, La Meignanne, FR;
Eric Chenard, Angers, FR;
Alain Burgos, Les Ponts de Ce, FR;
Inventors:
Assignee:
Zach System, Avrille, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 311/00 (2006.01); C07D 301/27 (2006.01); C07D 301/02 (2006.01); C07D 311/58 (2006.01); C07D 311/66 (2006.01); C07D 407/04 (2006.01);
U.S. Cl.
CPC ...
C07D 311/58 (2013.01); C07D 311/66 (2013.01); C07D 407/04 (2013.01);
Abstract
The present invention relates to a process for the preparation of nebivolol and, more particularly, to an improved process of synthesizing an alpha-haloketone of formula a key intermediate in the preparation of nebivolol.