Alcohol-free pneumococcal polysaccharide purification process
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United States of America Patent
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Feb 3, 1998
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Jun 6, 1995
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Jun 6, 1995
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Abstract
An alcohol-free process for purifying pneumococcal capsular polysaccharide (substantially absent 'C' polysaccharide) of pneumococcal types (Danish designation), 1, 2, 3, 4, 5, 6B, 7F, 8, 9N, 9V, 10A, 11A, 12F, 14, 15B, 17F, 18C, 19A, 19F, 20, 22F, 23F and 33F using a cationic detergent, for example, hexadecyl-trimethylammonium bromide.
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