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公开(公告)号：JPH02218691A
公开(公告)日：1990-08-31
申请号：JP26605689
申请日：1989-10-11
Applicant: ABBOTT LAB
Abstract: Disclosed are ultrafiltration processes for the enrichment and concentration of selected proteins from protein containing fluids. Illustratively, IgG is concentrated from whey by means of multiple ultrafiltration "passes", using a metallic oxide ultrafiltration membrane, which are characterized by differing pH's.
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