High pressure spray-dry of bioactive materials

Details High pressure spray-dry of bioactive materials High pressure spray-dry of bioactive materials

2008-05-27

2008-05-27

Davis, Ruth A (Department: 1651)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

C424S490000, C424S491000, C424S493000, C424S499000

Reexamination Certificate

active

10738971

ABSTRACT:
This invention provides compositions and methods providing, e.g., stable powder particles containing bioactive materials. The methods include, e.g., high pressure spraying of the bioactive materials in solution or suspension, with viscosity enhancing agents and/or surfactants. Compositions of the invention provide, e.g., high initial purity, high stability in storage, and reconstitution at high concentrations.

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