Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Reexamination Certificate
2007-05-22
2007-05-22
Therkorn, Ernest G. (Department: 1723)
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
C210S656000, C540S456000, C540S458000, C549S263000
Reexamination Certificate
active
10899757
ABSTRACT:
Provided is a method of purifying a macrolide, especially tacrolimus, that includes loading macrolide onto a bed of sorption resin and elting with a suitable eluent such as a combination of water and tetrahydrofuran.
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Csorvasi Andrea
Czövek Zoltan
Keri Vilmos
Rantal Ferenc
Kenyon & Kenyon LLP
Teva Gyógyszergyár Zártkörúen Múk&
Therkorn Ernest G.
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