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公开(公告)号:ZA200708766B
公开(公告)日:2009-11-25
申请号:ZA200708766
申请日:2007-10-15
Applicant: BASF AG
Inventor: KLEMENS MATHAUER , TOBIAS PETSCH , ROBERT BAYER , MARIANNA PIEROBON , KARL-OTTO HEILMANN , MICHAEL KERBER
IPC: A23L5/20 , B01D20100101 , C08F20100101 , C08L20100101
Abstract: Process for removal of residual styrene monomers from polystyrene and from blends comprising water-insoluble, crosslinked polyvinylpyrrolidone, via treatment with water, which comprises carrying out the treatment on a particulate solid blend.
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公开(公告)号:FR2669718A1
公开(公告)日:1992-05-29
申请号:FR9114550
申请日:1991-11-26
Applicant: BASF AG
Inventor: MATTHIAS DIETRICH , WERNER LIEDY , ROBERT BAYER , WERNER GOEBEL
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公开(公告)号:PT1323769E
公开(公告)日:2006-08-31
申请号:PT02025163
申请日:2002-11-11
Applicant: BASF AG
Inventor: ETZRODT GUENTER DR , LEBERFINGER MARCUS DR , ROBERT BAYER , ARENZ STEFAN DR , KNUD FAEHNDRICH , SCHOLZ GUENTER DR
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