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. 29, 2024
Filed:
Mar. 05, 2020
Italfarmaco Spa, Milan, IT;
Stefano Turchetta, Rome, IT;
Maurizio Zenoni, Ferentino, IT;
Elio Ullucci, Latina, IT;
Stefania Cocciolo, Patricia, IT;
Giorgio Berardi, Ripi, IT;
Nakia Maulucci, Alatri, IT;
ITALFARMACO SPA, Milan, IT;
Abstract
A process for obtaining {{6-[(diethylamino)methyl]naphthalen-2-yl}methyl[4-(hydroxycarbamoyl)phenyl]carbamate and/or pharmaceutically acceptable salts thereof having high purity is described. This process allows to obtain a product having an amount of any single unknown impurity equal to or less than 0.10%, as well as a product having a purity greater than 99.5%, preferably equal to or greater than 99.6%. An HPLC method for determining the purity of the product and possible impurities thereof is also described.