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:
Jun. 01, 2021
Filed:
Nov. 29, 2017
Applicants:
Clevexel Pharma, Paris, FR;
Institut Gustave Roussy, Villejuif, FR;
Inventors:
Xiuping Wang-Zhang, Paris, FR;
Perrine Pivette, Alfortville, FR;
Karine Gonzalez, Maisons Alfort, FR;
Eric Deutsch, Paris, FR;
Céline Clemenson, Orsay, FR;
Assignees:
CLEVEXEL PHARMA, Paris, FR;
INSTITUT GUSTAVE ROUSSY, Villejuif, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 323/25 (2006.01); A61P 17/02 (2006.01); A61K 9/06 (2006.01); A61K 9/19 (2006.01);
U.S. Cl.
CPC ...
C07C 323/25 (2013.01); A61K 9/06 (2013.01); A61K 9/19 (2013.01); A61P 17/02 (2018.01);
Abstract
A process for the preparation of freeze-dried 2-[(3-aminopropyl)amino]ethanethiol including the following steps: a) the reaction of a solution of amifostine with a strong acid, to obtain a solution of 2-[(3-aminopropyl)amino]ethanethiol, and b) the freeze-drying of the solution of 2-[(3-aminopropyl)amino]ethanethiol, with or without addition of excipients.