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. 19, 2007
Filed:
Mar. 31, 2004
Applicants:
Vilmos Keri, Debrecen, HU;
Andrea Csorvasi, Debrecen, HU;
Inventors:
Vilmos Keri, Debrecen, HU;
Andrea Csorvasi, Debrecen, HU;
Assignee:
TEVA Gyógyszergyár Zártkörűen Működő Részvénytársaság, Debrecen, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 7/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a method for crystallization and purification of a macrolide such as tacrolimus, sirolimus, pimecrolimus, or everolimus that includes the step of providing a combination of a macrolide, and a polar solvent, dopolar aprotic solvent, or hydrocarbon solvent at pH of 7 or above.