Process and container for freeze drying under sterile conditions

Details Process and container for freeze drying under sterile conditions Process and container for freeze drying under sterile conditions

1992-09-03

1994-05-10

Bennet, Henry A.

Drying and gas or vapor contact with solids

Process

Freeze-drying

34402, 34201, 34 92, F26B 1330

Patent

active

053096495

ABSTRACT:
The present invention provides a process for freeze drying of especially biologically or pharmaceutical material under sterile conditions, wherein the material to be dried is introduced into a container the sides of which consist at least partly of a hydrophobic, porous, micro-organism-impermeable, water vapor-permeable membrane, the container is tightly closed and the material is subsequently freeze dried in the closed container under the usual conditions. The present invention also provides a container for freeze drying materials under sterile conditions, wherein the sides of the container consist at least partly of a hydrophobic, porous, germ-impermeable, water vapor-permeable membrane.

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