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:
Jul. 28, 2020
Filed:
May. 16, 2017
Applicant:
Icrom S.p.a., Milan, IT;
Inventors:
Assignee:
ICROM S.P.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 279/18 (2006.01); C09B 21/00 (2006.01); C09B 67/54 (2006.01);
U.S. Cl.
CPC ...
C07D 279/18 (2013.01); C09B 21/00 (2013.01); C09B 67/0096 (2013.01);
Abstract
A process for the preparation of diaminophenothiazinium compounds is described, which allows achieving quickly and effectively a high degree of purity of the same.