专利名称：Process for the extraction and purification of
proteins from culture media producing them
发明人：van Wijnendaele, Frans,Gilles, Daniel,Simonet,
Guy
申请号：EP86870041.0申请日：19860402公开号：EP0199698A2公开日：19861029
摘要：the method is applicable to the supernatant of yeast cells genetically producedand separated in the presence of a non-ionic detergent; it includes the precipitation ofcontaminants by polyethylene glycol and the treatment of the supernatant with adivalent metal cation or, after the u. ltrafiltration, with ammonium sulfate.
申请人：SMITHKLINE BIOLOGICALS S.A.
地址：Rue du Tilleul, 13 B-1320 Genval Rixensart BE
国籍：BE
代理机构：Tyrrell, Arthur William Russell, Dr.
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