Spray-dried antigenic products

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

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4241841, 4242341, 4242371, 4242411, 424827, 4242491, 4242501, 4242781, 424 9348, A61K 39106, A61K 3902, A61K 914, A01N 6300

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active

056163290

ABSTRACT:
A method is described for preparing an antigenic product which incorporates exposing an aerosol of a microbial suspension to temperatures at which substantially only the heat stable components of the microbial suspension which retain their immunogenic properties remain. More specifically, the aerosol is exposed to an elevated temperature which denatures all labile components and removes the liquid portion of the aerosol by evaporation.

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