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公开(公告)号：US09024050B2
公开(公告)日：2015-05-05
申请号：US13434176
申请日：2012-03-29
申请人： Stephan Deuerlein , Imme Domke , Alexej Michailovski , Reinhold Rieger , Piyada Charoensirisomboon , David F. Blackwood , Christian Eichholz , Robert Bayer , Dennis Loesch , Igor Shishkov
发明人： Stephan Deuerlein , Imme Domke , Alexej Michailovski , Reinhold Rieger , Piyada Charoensirisomboon , David F. Blackwood , Christian Eichholz , Robert Bayer , Dennis Loesch , Igor Shishkov
CPC分类号： C07F7/0836 , H01F1/0054
摘要： The present invention relates to a stable mixture comprising surface-modified particles which are obtained by reacting metal oxide or semimetal oxide particles with at least one compound selected from among silicon-comprising compounds bearing at least one metaloxy radical and optionally further alkoxy and/or hydroxy radical(s) and at least one solvent, at least one surface-active substance or a mixture thereof, a process for producing the mixture, the use of these particles in systems in which they are brought into contact with at least one solvent, where the mass ratio of solvent to modified particle is greater than 500, and also the use of these particles in agglomeration-deagglomeration cycles.
摘要翻译： 本发明涉及包含表面改性颗粒的稳定混合物，其通过使金属氧化物或半金属氧化物颗粒与至少一种选自含有至少一个金属氧基的含硅化合物和任选的其它烷氧基和/或羟基的化合物反应而获得 自由基和至少一种溶剂，至少一种表面活性物质或其混合物，制备该混合物的方法，在与至少一种溶剂接触的体系中使用这些颗粒，其中 溶剂与改性颗粒的质量比大于500，并且还使用这些颗粒在聚集 - 解聚缩循环中。
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公开(公告)号：US20120264111A1
公开(公告)日：2012-10-18
申请号：US13434176
申请日：2012-03-29
申请人： Stephan DEUERLEIN , Imme Domke , Alexej Michailovski , Reinhold Rieger , Piyada Charoensirisomboon , David F. Blackwood , Christian Eichholz , Robert Bayer , Dennis Lösch , Igor Shishkov
发明人： Stephan DEUERLEIN , Imme Domke , Alexej Michailovski , Reinhold Rieger , Piyada Charoensirisomboon , David F. Blackwood , Christian Eichholz , Robert Bayer , Dennis Lösch , Igor Shishkov
CPC分类号： C07F7/0836 , H01F1/0054
摘要： The present invention relates to a stable mixture comprising surface-modified particles which are obtained by reacting metal oxide or semimetal oxide particles with at least one compound selected from among silicon-comprising compounds bearing at least one metaloxy radical and optionally further alkoxy and/or hydroxy radical(s) and at least one solvent, at least one surface-active substance or a mixture thereof, a process for producing the mixture, the use of these particles in systems in which they are brought into contact with at least one solvent, where the mass ratio of solvent to modified particle is greater than 500, and also the use of these particles in agglomeration-deagglomeration cycles.
摘要翻译： 本发明涉及包含表面改性颗粒的稳定混合物，其通过使金属氧化物或半金属氧化物颗粒与至少一种选自含有至少一个金属氧基的含硅化合物和任选的其它烷氧基和/或羟基的化合物反应而获得 自由基和至少一种溶剂，至少一种表面活性物质或其混合物，制备该混合物的方法，在与至少一种溶剂接触的体系中使用这些颗粒，其中 溶剂与改性颗粒的质量比大于500，并且还使用这些颗粒在聚集 - 解聚缩循环中。
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公开(公告)号：US09376457B2
公开(公告)日：2016-06-28
申请号：US13225046
申请日：2011-09-02
申请人： Stephan Deuerlein , Imme Domke , Alexej Michailovski , Reinhold Rieger , Piyada Charoensirisomboon , Christian Eichholz , Robert Bayer
发明人： Stephan Deuerlein , Imme Domke , Alexej Michailovski , Reinhold Rieger , Piyada Charoensirisomboon , Christian Eichholz , Robert Bayer
CPC分类号： C07F7/1804 , C07B2200/11 , H01F1/0054
摘要： The present invention relates to a stable mixture comprising surface-modified particles which are obtained by reacting metal oxide or semimetal oxide particles with at least one compound selected from among silicon-comprising compounds bearing one, two or three alkoxy radicals and at least one solvent, at least one surface-active substance or a mixture thereof, the use of these particles in systems in which they are brought into contact with at least one solvent, where the mass ratio of solvent to modified particle is greater than 500, and also the use of these particles in agglomeration-deagglomeration cycles.
摘要翻译： 本发明涉及包含表面改性颗粒的稳定混合物，其通过使金属氧化物或半金属氧化物颗粒与至少一种选自含有一个，两个或三个烷氧基的含硅化合物和至少一种溶剂的化合物反应而获得， 至少一种表面活性物质或其混合物，在与溶剂与改性颗粒的质量比大于500的至少一种溶剂接触的体系中使用这些颗粒，以及使用 的这些颗粒在聚集 - 解聚周期中。
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4.发明申请公开(公告)号：US20130040801A1
公开(公告)日：2013-02-14
申请号：US13413278
申请日：2012-03-06
申请人： Marcus Georg Schrems , Anna Katharina Dürr , Günther Huber , Jesus Enrique Zerpa Unda , Katrin Freitag , Christian Eichholz , Franky Ruslim
发明人： Marcus Georg Schrems , Anna Katharina Dürr , Günther Huber , Jesus Enrique Zerpa Unda , Katrin Freitag , Christian Eichholz , Franky Ruslim
CPC分类号： C01F7/46 , C01P2006/80 , C04B35/10 , C04B35/62655 , C04B35/632 , C04B35/63444 , C04B2235/3201 , C04B2235/72 , C04B2235/721 , C04B2235/722 , C04B2235/94
摘要： A process for preparing aluminum oxide with a low calcium content, in which(1) crude alpha- and/or gamma-aluminum oxide with a total calcium content in the range from 50 to 2000 ppm, based on the crude alpha- and/or gamma-aluminum oxide, is mixed with an aqueous solution or suspension comprising the compounds selected from the group of inorganic acid, organic acid and complexing agent, (2) the mixture from step (1) is admixed with a flocculating aid, (3) in the mixture of step (2), the solids are separated from the liquid, (4) the solids separated are mixed with water in the presence or in the absence of a flocculating aid, (5) in the mixture of step (4), the solids are separated from the liquid, (6) optionally, steps (4) and (5) are repeated once or more than once, (7) optionally, the solids separated optionally after addition of further compounds, are dried.
摘要翻译： 一种制备具有低钙含量的氧化铝的方法，其中（1）基于粗α和/或α的总钙含量在50至2000ppm范围内的粗α和/或γ-氧化铝 将γ-氧化铝与包含选自无机酸，有机酸和络合剂的化合物的水溶液或悬浮液混合，（2）将来自步骤（1）的混合物与絮凝助剂混合，（3） 在步骤（2）的混合物中，固体与液体分离，（4）在存在或不存在絮凝助剂的情况下将分离的固体与水混合，（5）在步骤（4）的混合物中， ，固体与液体分离，（6）任选地，步骤（4）和（5）重复一次或多于一次，（7）任选地，任选地，在加入其它化合物之后分离的固体被干燥。
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5.发明授权公开(公告)号：US08524191B2
公开(公告)日：2013-09-03
申请号：US13413278
申请日：2012-03-06
申请人： Marcus Georg Schrems , Anna Katharina Dürr , Günther Huber , Jesus Enrique Zerpa Unda , Katrin Freitag , Christian Eichholz , Franky Ruslim
发明人： Marcus Georg Schrems , Anna Katharina Dürr , Günther Huber , Jesus Enrique Zerpa Unda , Katrin Freitag , Christian Eichholz , Franky Ruslim
IPC分类号： C01F7/00
CPC分类号： C01F7/46 , C01P2006/80 , C04B35/10 , C04B35/62655 , C04B35/632 , C04B35/63444 , C04B2235/3201 , C04B2235/72 , C04B2235/721 , C04B2235/722 , C04B2235/94
摘要： A process for preparing aluminum oxide with a low calcium content, in which (1) crude alpha- and/or gamma-aluminum oxide with a total calcium content in the range from 50 to 2000 ppm, based on the crude alpha- and/or gamma-aluminum oxide, is mixed with an aqueous solution or suspension comprising the compounds selected from the group of inorganic acid, organic acid and complexing agent, (2) the mixture from step (1) is admixed with a flocculating aid, (3) in the mixture of step (2), the solids are separated from the liquid, (4) the solids separated are mixed with water in the presence or in the absence of a flocculating aid, (5) in the mixture of step (4), the solids are separated from the liquid, (6) optionally, steps (4) and (5) are repeated once or more than once, (7) optionally, the solids separated optionally after addition of further compounds, are dried.
摘要翻译： 一种制备具有低钙含量的氧化铝的方法，其中（1）基于粗α和/或α的总钙含量在50至2000ppm范围内的粗α和/或γ-氧化铝 将γ-氧化铝与包含选自无机酸，有机酸和络合剂的化合物的水溶液或悬浮液混合，（2）将来自步骤（1）的混合物与絮凝助剂混合，（3） 在步骤（2）的混合物中，固体与液体分离，（4）在存在或不存在絮凝助剂的情况下将分离的固体与水混合，（5）在步骤（4）的混合物中， ，固体与液体分离，（6）任选地，步骤（4）和（5）重复一次或多于一次，（7）任选地，任选地，在加入其它化合物之后分离的固体被干燥。
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