Preservation of bioactive materials by freeze dried foam

Details Preservation of bioactive materials by freeze dried foam Preservation of bioactive materials by freeze dried foam

2007-10-29

2011-11-29

Mosher, Mary E (Department: 1648)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

C435S260000, C435S246000, C424S450000, C424S184100, C424S093100, C424S093400, C424S532000

Reexamination Certificate

active

08067017

ABSTRACT:
This invention provides methods and compositions to preserve bioactive materials in a dried foam matrix. Methods provide non-boiling foam generation and penetration of preservative agents at temperatures near the phase transition temperature of the membranes.

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