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:
Aug. 07, 2018
Filed:
Nov. 30, 2017
Applicant:
F.i.s.—fabbrica Italiana Sintetici S.p.a., Montecchio Maggiore, IT;
Inventors:
Elena Brasola, Saccolongo, IT;
Filippo Tomasi, Brogliano, IT;
Assignee:
F.I.S. FABBRICA ITALIANA SINTETICI S.P.A., Montecchio Maggiore (VI), IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/14 (2006.01); C07D 471/04 (2006.01); G01N 30/86 (2006.01); G01N 30/02 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); G01N 30/8631 (2013.01); G01N 2030/027 (2013.01);
Abstract
Object of the present invention is an improved process for the preparation of Apixaban, through new intermediates which undergo to a faster amidation reaction. Impurities of Apixaban are also identified and quantified.