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:
Nov. 01, 2016
Filed:
Jun. 28, 2013
Applicant:
Zach System S.p.a., Bresso, IT;
Inventors:
Raffaella Volpicelli, Vicenza, IT;
Antonio Nardi, Gambellara, IT;
Mauro Andretto, Noventa Vicentina, IT;
Ilaria Munari, Vicenza, IT;
Roberto Brescello, Abano Terme, IT;
Anna Smaniotto, Treviso, IT;
Livius Cotarca, Cervignano del Friuli, IT;
Massimo Verzini, Caldiero, IT;
Assignee:
ZACH SYSTEM S.P.A., Bresso (MI), IT;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 495/04 (2006.01);
U.S. Cl.
CPC ...
C07D 495/04 (2013.01);
Abstract
The present invention relates to a chiral oxamide of formula (I) useful as an intermediate in the preparation of dorzolamide, and to the preparation thereof. The invention also relates to the preparation of dorzolamide, to the hydrochloride salt thereof, and to the active ingredient contained in a drug useful in the treatment of glaucoma, by means of the intermediate of formula (I).