Chemistry: analytical and immunological testing – Including sample preparation – Liberation or purification of sample or separation of...
Patent
1998-12-29
2000-11-14
Housel, James C.
Chemistry: analytical and immunological testing
Including sample preparation
Liberation or purification of sample or separation of...
536127, 42419711, 4241931, G01N 118, C07G 1700, A61K 39385
Patent
active
061469025
ABSTRACT:
Disclosed and claimed are a method for the purification of polysaccharide-protein conjugate vaccines by ultrafiltration in a saturated solution of ammonium sulfate. The ultrafiltration method of the present invention provides an efficient, readily scalable method for removal of unbound polysaccharides from polysaccharide-protein vaccines, thereby improving the purity and consistency of the polysaccharide-protein vaccines.
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Aventis Pasteur, Inc.
Devi S.
Housel James C.
Howe Timothy R.
Smith G. Kenneth
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