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. 15, 1987
Filed:
May. 12, 1986
Applicant:
Inventors:
Ottorino De Lucchi, Padova, IT;
Fabiola Filippuzzi, Padova, IT;
Giorgio Modena, Padova, IT;
Ettore Camera, Gorizia, IT;
Assignees:
Consiglio Nazionale Delle Richerche, Rome, IT;
Dinamite, Udine, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549464 ;
Abstract
A selective process for the preparation of isosorbide-5-mononitrate (I) ##STR1## from isosorbide-2,5-dinitrate (II) ##STR2## Said preparation is carried out by treating isosorbide-2,5-dinitrate with a suitable reduction system in the presence of not easily oxidizable coordinating metal ions.