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US 2009/0023197 A1Published application
Method for purifying a viral suspension
AssigneeSanofi Pasteur Limited
InventorsOliver Brass, Jean Marc Contzen, Alain Francon, Michel Tardy
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Abstract
The invention relates to a method for obtaining viruses from a liquid viral suspension, according to which: the viral suspension is subjected to density gradient ultracentrifugation, the ultracentrifugation is carried out continuously, and the density gradient is a discontinuous gradient comprising at least 2 steps.
Claims9
A method for obtaining viruses from a liquid viral suspension, according to which the viral suspension is subjected to density gradient ultracentrifugation, wherein,
- the ultracentrifugation is carried out continuously,
- the density gradient is a discontinuous gradient comprising at least 2 steps.
Dependencies are inferred from the claim text.