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. 02, 2018
Filed:
Dec. 21, 2016
Applicant:
Curadel, Llc, Marlborough, MA (US);
Inventors:
John V. Frangioni, Wayland, MA (US);
Paul Caffrey, North Falmouth, MA (US);
Assignee:
Curadel, LLC, Marlborough, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 279/20 (2006.01);
U.S. Cl.
CPC ...
C07D 279/20 (2013.01);
Abstract
Disclosed herein are methods for preparing ultrapure diaminophenothiasinium compounds with high solubility in solutions, e.g., water, and the compositions provided therefrom.