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:
May. 23, 2017
Filed:
May. 15, 2012
Applicant:
Tero Kunnari, Aschaffenburg, DE;
Inventor:
Tero Kunnari, Aschaffenburg, DE;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H 15/252 (2006.01); C07H 1/06 (2006.01);
U.S. Cl.
CPC ...
C07H 15/252 (2013.01); C07H 1/06 (2013.01);
Abstract
A crystalline epirubicin hydrochloride and a method for its production are provided. The method for producing the crystalline epirubicin hydrochloride includes the steps: (a) providing epirubicin hydrochloride, (b) producing a mixture containing the provided epirubicin hydrochloride and at least one alcohol selected from the group 1-butanol, 2-butanol, and 1-pentanol, and (c) crystallizing epirubicin hydrochloride from this mixture.