Inventors:
Frank Josef Arnold - Newfoundland PA
Michael Soika - Spring Valley NY
Assignee:
American Home Products Corporation - Madison NJ
International Classification:
C12P 1904, A61K 3909, A61K 31715, C08B 3700
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.