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:
Dec. 28, 2004
Filed:
May. 12, 2003
Applicant:
Inventors:
Marcello Allegretti, L'Aquila, IT;
Maria Candida Cesta, L'Aquila, IT;
Roberto Curti, L'Aquila, IT;
Luigi Pellegrini, L'Aquila, IT;
Gabriella Melillo, L'Aquila, IT;
Assignee:
Dompé S.p.A., L'aquila, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/1496 ; C07D / ;
U.S. Cl.
CPC ...
A61K 3/1496 ; C07D / ;
Abstract
(S)-3-(4-Phenyl-1-piperazinyl)-1,2-propanediol cyclic acetals useful as antitussive agents and as intermediates for the preparation of levodropropizine and the salts thereof, as well as a process for the preparation of said acetals, are disclosed.