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US 6,165,773 AGranted
Methods of preserving viruses
AssigneeProvalis UK Limited
InventorsRoger Randal Charles New, Charles Anthony Hart
Life of this patent
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Abstract
Methods for preserving micro-organisms including viruses, such that infectivity is retained, are provided, as well as the use of such methods in preparing e.g. vaccines.
Claims20
A method for preparing virus particles for storage such that they retain infectivity, which method includes the steps of:
- (i) mixing virus particles with an amphiphile in a liquid medium;
- (ii) removing the liquid medium to leave an array of amphiphile molecules with their hydrophilic head groups orientated towards the virus particles;
- and
- (iii) mixing the virus particles/amphiphile array with a hydrophobic solvent.
1 more element
A method for preparing virus particles for storage such that they retain infectivity, which method includes the following steps:
- (i) mixing virus particles with an amphiphile in an aqueous solvent;
- (ii) removing the water;
- and
- (iii) mixing the product from step (ii) with a hydrophobic solvent.
1 more element
Dependencies are inferred from the claim text.