Spray drying method and apparatus

Details Spray drying method and apparatus Spray drying method and apparatus

1995-06-07

1997-09-16

Nutter, Nathan M.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Matrices

424485, 424486, 424489, 424490, 424491, 424497, 424499, 264 41, 264 43, 264 433, A61K 916, A61K 950

Patent

active

056678061

ABSTRACT:
Methods for preparing microspheres are provided. A carrier vehicle and a precipitator are nebulized and contacted. Alternatively, a carrier is nebulized in an aqueous acid and the concentration of the acid is decreased. Apparatus are also provided.

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