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公开(公告)号:US20220136020A1
公开(公告)日:2022-05-05
申请号:US17431462
申请日:2020-02-20
Applicant: Pfizer Inc.
Inventor: Ling Chu , Scott Andrew Cook , Nishith Merchant , Justin Keith Moran
Abstract: The present invention relates to methods for purifying bacterial polysaccharides, in particular for removing impurities from cellular lysates of bacteria producing polysaccharides.