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公开(公告)号：DE59101279D1
公开(公告)日：1994-05-05
申请号：DE59101279
申请日：1991-11-16
Applicant: DEGUSSA
Inventor： CHOJNOWSKI MARIAN , NAGEL WERNER DR , MEIER KARL , LEONHARDT WOLFGANG DR , ESCH HEINZ
Abstract: The paste is prepared by dispersing precipitated silica in silicone oil. The precipitated silica paste is employed in the suspension phase as a hydrophobising agent in the hydrophobisation of precipitated silicas. The product is spray-dried, heat-treated and ground.
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Patent Agency Ranking
公开(公告)号：BR9900799A
公开(公告)日：2001-03-13
申请号：BR9900799
申请日：1999-02-24
Applicant: DEGUSSA
Inventor： SIRAY MUSTAFA DR , MEIER KARL , OELMUELLER ROLF , NAGEL WERNER DR , MUELLER ASTRID
IPC: A61K9/18 , A61K47/04 , C01B33/193 , C09C1/30 , C01B33/18
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公开(公告)号：DE3375715D1
公开(公告)日：1988-03-31
申请号：DE3375715
申请日：1983-07-16
Applicant: DEGUSSA
Inventor： BRANDT BERND DR , ESCH HEINZ , KREHER ALFONS DR , NAGEL WERNER DR
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公开(公告)号：DE3431865A1
公开(公告)日：1986-03-06
申请号：DE3431865
申请日：1984-08-30
Applicant: DEGUSSA
Inventor： KREHER ALFONS DR , NAGEL WERNER DR , BRANDT BERND , PETERS ALBERT
IPC: B01J2/22 , C09C1/30 , C09C3/04 , C01B33/113
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公开(公告)号：DE4041827A1
公开(公告)日：1992-07-02
申请号：DE4041827
申请日：1990-12-24
Applicant: DEGUSSA
Inventor： CHOJNOWSKI MARIAN , NAGEL WERNER DR , MEIER KARL , LEONHARDT WOLFGANG DR , ESCH HEINZ
Abstract: The paste is prepared by dispersing precipitated silica in silicone oil. The precipitated silica paste is employed in the suspension phase as a hydrophobising agent in the hydrophobisation of precipitated silicas. The product is spray-dried, heat-treated and ground.
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公开(公告)号：AT32566T
公开(公告)日：1988-03-15
申请号：AT83107000
申请日：1983-07-16
Applicant: DEGUSSA
Inventor： BRANDT BERND DR , ESCH HEINZ , KREHER ALFONS DR , NAGEL WERNER DR
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