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公开(公告)号:DE3828668A1
公开(公告)日:1990-03-08
申请号:DE3828668
申请日:1988-08-24
Applicant: DEGUSSA
Inventor: REUTER ROLAND , ZIMMERMANN ROLF DR , SEXTL GERHARD DR , KLEINSCHMIT PETER DR , SCHWARZ RUDOLF DR , ZETZMANN KLAUS DR
IPC: C01B33/18 , C01B33/193 , C04B30/00 , C09C1/30
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公开(公告)号:AU671714B2
公开(公告)日:1996-09-05
申请号:AU5909394
申请日:1994-03-25
Applicant: DEGUSSA
Inventor: SEXTL GERHARD , BARTELT SABINE , WILMES KLAUS , REUTER ROLAND , SCHWARZ RUDOLF , WORCH FRIEDEL
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公开(公告)号:DE59400438D1
公开(公告)日:1996-08-29
申请号:DE59400438
申请日:1994-01-20
Applicant: DEGUSSA
Inventor: SEXTL GERHARD DR , BARTELT SABINE , WILMES KLAUS , REUTER ROLAND , SCHWARZ RUDOLF DR , WORCH FRIEDEL
IPC: B30B11/00
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公开(公告)号:SG28294G
公开(公告)日:1994-06-10
申请号:SG28294
申请日:1994-02-22
Applicant: DEGUSSA
Inventor: REUTER ROLAND , SEXTI GERHARD DR , STRACK HANS DR
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公开(公告)号:AU1132992A
公开(公告)日:1992-09-03
申请号:AU1132992
申请日:1992-02-28
Applicant: DEGUSSA
Inventor: BINDER DIETER , KLEINSCHMIT PETER , HOFFMEISTER HANS , REUTER ROLAND
IPC: C01G25/02 , C04B35/486 , C04B35/48
Abstract: The invention relates to monoclinic zirconium oxide having an SiO2 content of less than 1% by weight, which is characterised by dendrite-shaped particles having a mean grain size (d50 value) in the range from 0.5 mu m to 3.0 mu m and a specific surface area (BET) in the range from 3 to 15 m /g. The zirconium oxide is prepared by thermal cracking of zirconium silicate in a high-frequency or medium-frequency inductive fusion furnace with a sinter crust crucible, quenching of the melt by blowing air onto a melt jet and/or spraying the latter with water and leaching the thermally cracked zirconium silicate with concentrated alkali metal hydroxide solution at 100 to 200 DEG C. The zirconium oxides according to the invention is distinguished from prior zirconium oxide by its improved suitability for the production of zirconium silicate colouring materials of the host lattice and inclusion types - pigments of higher colour intensity are obtained.
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公开(公告)号:DK0396961T3
公开(公告)日:1992-08-17
申请号:DK90107803
申请日:1990-04-25
Applicant: DEGUSSA
Inventor: STRACK HANS DR , REUTER ROLAND , SCHWARZ RUDOLF DR , SEXTL GERHARD DR , FUSS ILONA , KLEINSCHMIT PETER DR
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公开(公告)号:AT77465T
公开(公告)日:1992-07-15
申请号:AT90107803
申请日:1990-04-25
Applicant: DEGUSSA
Inventor: SEXTL GERHARD DR , STRACK HANS DR , FUSS ILONA , REUTER ROLAND , KLEINSCHMIT PETER DR , SCHWARZ RUDOLF DR
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公开(公告)号:DD298021A5
公开(公告)日:1992-01-30
申请号:DD34047290
申请日:1990-05-08
Applicant: DEGUSSA
Inventor: SEXTL GERHARD , STRACK HANS , FUSS ILONA , REUTER ROLAND , KLEINSCHMIT PETER , SCHWARZ RUDOLF
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公开(公告)号:PT93988A
公开(公告)日:1991-01-08
申请号:PT9398890
申请日:1990-05-09
Applicant: DEGUSSA
Inventor: STRACK HANS , SCHWARZ RUDOLF , SEKTL GERHARD , FUSS ILONA , REUTER ROLAND , KLEIN-SCHMIT PETER
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公开(公告)号:HU214786B
公开(公告)日:1998-05-28
申请号:HU297790
申请日:1990-05-09
Applicant: DEGUSSA
Inventor: FUSS ILONA , KLEINSCHMIT PETER , REUTER ROLAND , SCHWARZ RUDOLF , SEXTL GERHARD , STRACK HANS
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