Methods of drying biological products

Details Methods of drying biological products Methods of drying biological products

1989-08-24

1991-07-30

Page, Thurman

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Matrices

424486, 424487, 424488, 424499, 424 81, 514 57, 514938, 536 56, 536 63, A61K 914, A61K 950, A61K 31695

Patent

active

050359002

ABSTRACT:
Enzymes and other biologically produced materials are recovered from the fermentation broth or other liquor in which they are provided initially and simultaneously distributed throughout particles of a polymeric matrix by dissolving the polymer in the liquor, dispersing the resultant polymer solution in a non-aqueous liquor in the presence of a stabiliser, and azeotroping the dispersion to produce either dry beads or a dispersion of small particles in the non-aqueous liquid.

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