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US 2014/0178966 A1Published application
Animal product free system and process for purifying a botulinum toxin
AssigneeAllergan, Inc.
InventorHui Xiang
Life of this patent
Estimating the term…
Abstract
Chromatographic processes and systems for purifying a botulinum toxin from an APF fermentation medium.
Claims11
A substantially animal protein free (“APF”) process for purifying a botulinum toxin comprising the step of sequentially contacting a plurality of chromatography resins with an aqueous medium containing a botulinum toxin, wherein the plurality of chromatography resins comprise an ion exchange resin, a hydrophobic interaction resin, a mixed mode resin, or combinations thereof.
Dependencies are inferred from the claim text.