Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 19, 2011
Patent Application Number
10533462
Date Filed
October 30, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates to a method of drying biological and other labile samples so that they can be preserved as a highly viscous liquid. The method involves the steps of preparing a preservation sample by dissolving/suspending an active agent in a solution of a stabilizing agent, subjecting the preservation sample to such temperature and pressure conditions that the preservation sample loses solvent by evaporation without freezing or bubbling to form a foam and removing solvent until the preservation sample dries to form a highly viscous liquid.
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