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    1.
    发明专利
    未知

    公开(公告)号：DK0963702T3

    公开(公告)日：2003-03-31

    申请号：DK99110613

    申请日：1999-06-02

    Applicant: DEGUSSA

    Inventor： OELMUELLER ROLF ,  GRINSCHGL BRIGITTE

    IPC: A23K1/00 ,  A23K20/105 ,  A23K40/10

    Abstract: An active ingredient concentrate comprises 85-98 wt.% active ingredient, 3-7 wt.% hydrophobic silicon dioxide type material, and maximum 0.5 wt.% water (at discharge from the dryer). The product is storage stable for at least 1.5 years in the form of a free-flowing powder with equilibrium moisture content. An active ingredient concentrate comprises 85-98 wt.% active ingredient, 3-7 wt.% hydrophobic silicon dioxide type material, and maximum 0.5 wt.% water (at discharge from the dryer). The product is storage stable for at least 1.5 years in the form of a free-flowing powder with equilibrium moisture content. An Independent claim is also included for the preparation of the above concentrate.

    3.
    发明专利
    未知

    公开(公告)号：TR199700241A2

    公开(公告)日：1997-10-21

    申请号：TR9700241

    申请日：1997-03-28

    Applicant: DEGUSSA

    Inventor： LUX HEINZ-GUENTER ,  MEIER KARL ,  MUELLER ASTRID ,  OELMUELLER ROLF ,  RAMB ANJA

    IPC: C01B33/18 ,  A01N25/08 ,  A01N25/22 ,  A01N57/12 ,  B01D19/04 ,  C09C1/30 ,  C11D3/12 ,  A01N59/00 ,  A23K1/175

    Abstract: Partially hydrophobic precipitated silica with a methanol crosslinking potential of 10-49% is new. When anhydrous, the silica has a DBP absorption > 250 g/100 g. The average particle size is 1-12 mu m and the silica has a carbon content of 0.3-1.85 %, and when dried, it loses 2.6-10 % of its weight. It has a pH of 5.5-10. The silica is prepared by mixing a silica suspension (which has been prepared using known methods) with a material that gives the silica hydrophobic properties. The mixing takes place for a very short time at conditions of low pH and high shear. The resulting suspension is filtered and washed in salt-free conditions, and the filter cake is dried, thermally treated and powdered.

    4.
    发明专利
    未知

    公开(公告)号：FI68859C

    公开(公告)日：1985-11-11

    申请号：FI783095

    申请日：1978-10-11

    Applicant: DEGUSSA

    Inventor： MUELLER KARL-HANS ,  BARTHEL WALTER ,  OELMUELLER ROLF

    IPC: C08L95/00 ,  C04B26/26 ,  C08K3/36 ,  E01C7/18

    Abstract: There is provided a process for improving mineral asphaltic coatings for streets and roadways comprising preparing a mixture to be used as the base mineral asphalt coating material, homogeneously mixing in 0.1 to 10 weight % of silica which is either (1) a precipitated silica, (2) a precipitated and spray dried silica or (3) a pyrogenically produced silica and further working this mixture into a mineral asphalt coating for streets and roadways.

    PARTIALLY HYDROPHOBIC PRECIPITATED SILICAS
    6.
    发明专利
    PARTIALLY HYDROPHOBIC PRECIPITATED SILICAS 未知

    公开(公告)号：MY116875A

    公开(公告)日：2004-04-30

    申请号：MYPI9701343

    申请日：1997-03-28

    Applicant: DEGUSSA

    Inventor： LUX HEINZ-GUENTHER ,  MEIER KARL ,  MUELLER ASTRID ,  OELMUELLER ROLF ,  RAMB ANJA

    IPC: A01N25/08 ,  C01B33/18 ,  A01N25/22 ,  A01N57/12 ,  B01D19/04 ,  C09C1/30 ,  C11D3/12

    Abstract: A PARTIALLY HYDROPHOBIC PRECIPITATED SILICA, CHARACTERISED BY A METHANOL WETTABILITY OF 10 TO 49 , IN PARTICULAR WITH A DBP UPTAKE ANHYDROUS OF GREATER THAN 250 G/100 G AND A MEAN PARTICLE SIZE OF 1 TO 12 µM AND/OR A CARBON CONTENT OF 0.3 TO 1.85 AND/OR A LOSS ON DRYING OF 2.6 TO 10.0 AND/OR A PH VALUE OF 5.5 TO 10.0, IS PREPARED BY MIXING THE AMOUNT OF WATER-REPELLENT AGENT WITH THE PRECIPITATED SILICA SUSPENSION AT VERY SHORT RESIDENCE TIME AND LOW PH VALUE, FILTERING OFF THE SOLID SUBSTANCE, WASHING FREE OF SALT, DRYING, POST-TREATING THERMALLY AND MILLING. THE PARTIALLY HYDROPHOBIC PRECIPITATED SILICA CAN BE USED IN ACTIVE SUBSTANCE FORMULATIONS AND ACTIVE SUBSTANCE FORMULATIONS OF HYDROLYSIS-SENSITIVE SUBSTANCE AND IN DE FOAMING AGENTS.

    7.
    发明专利
    未知

    公开(公告)号：DE59903807D1

    公开(公告)日：2003-01-30

    申请号：DE59903807

    申请日：1999-06-02

    Applicant: DEGUSSA

    Inventor： GRINSCHGL BRIGITTE ,  OELMUELLER ROLF

    IPC: A23K1/00 ,  A23K20/105 ,  A23K40/10

    Abstract: An active ingredient concentrate comprises 85-98 wt.% active ingredient, 3-7 wt.% hydrophobic silicon dioxide type material, and maximum 0.5 wt.% water (at discharge from the dryer). The product is storage stable for at least 1.5 years in the form of a free-flowing powder with equilibrium moisture content. An active ingredient concentrate comprises 85-98 wt.% active ingredient, 3-7 wt.% hydrophobic silicon dioxide type material, and maximum 0.5 wt.% water (at discharge from the dryer). The product is storage stable for at least 1.5 years in the form of a free-flowing powder with equilibrium moisture content. An Independent claim is also included for the preparation of the above concentrate.

    9.
    发明专利
    未知

    公开(公告)号：DE19825687A1

    公开(公告)日：1999-12-16

    申请号：DE19825687

    申请日：1998-06-09

    Applicant: DEGUSSA

    Inventor： GRINSCHGL BRIGITTE ,  OELMUELLER ROLF

    IPC: A23K1/00 ,  A23K20/105 ,  A23K40/10 ,  A23K1/16 ,  A23P1/06

    Abstract: An active ingredient concentrate comprises 85-98 wt.% active ingredient, 3-7 wt.% hydrophobic silicon dioxide type material, and maximum 0.5 wt.% water (at discharge from the dryer). The product is storage stable for at least 1.5 years in the form of a free-flowing powder with equilibrium moisture content. An active ingredient concentrate comprises 85-98 wt.% active ingredient, 3-7 wt.% hydrophobic silicon dioxide type material, and maximum 0.5 wt.% water (at discharge from the dryer). The product is storage stable for at least 1.5 years in the form of a free-flowing powder with equilibrium moisture content. An Independent claim is also included for the preparation of the above concentrate.

    10.
    发明专利
    未知

    公开(公告)号：DE59700063D1

    公开(公告)日：1999-02-11

    申请号：DE59700063

    申请日：1997-03-21

    Applicant: DEGUSSA

    Inventor： OELMUELLER ROLF ,  MUELLER ASTRID ,  MEIER KARL ,  LUX HEINZ-GUENTHER ,  RAMB ANJA

    IPC: C01B33/18 ,  A01N25/08 ,  A01N25/22 ,  A01N57/12 ,  B01D19/04 ,  C09C1/30 ,  C11D3/12

    Abstract: Partially hydrophobic precipitated silica with a methanol crosslinking potential of 10-49% is new. When anhydrous, the silica has a DBP absorption > 250 g/100 g. The average particle size is 1-12 mu m and the silica has a carbon content of 0.3-1.85 %, and when dried, it loses 2.6-10 % of its weight. It has a pH of 5.5-10. The silica is prepared by mixing a silica suspension (which has been prepared using known methods) with a material that gives the silica hydrophobic properties. The mixing takes place for a very short time at conditions of low pH and high shear. The resulting suspension is filtered and washed in salt-free conditions, and the filter cake is dried, thermally treated and powdered.

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