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公开(公告)号:US20090017423A1
公开(公告)日:2009-01-15
申请号:US11814060
申请日:2005-01-20
申请人: Bart Gottenbos , Jozef Johannes Maria Janssen , Marinus Karel Johannes De Jager , Adriaan Willem Cense , Paulus Cornelis Duineveld , Jon W. Hayenga , William E. Bryant , Martijn Jeroen Dekker
发明人: Bart Gottenbos , Jozef Johannes Maria Janssen , Marinus Karel Johannes De Jager , Adriaan Willem Cense , Paulus Cornelis Duineveld , Jon W. Hayenga , William E. Bryant , Martijn Jeroen Dekker
IPC分类号: A61C17/16
CPC分类号: A61C17/0202 , A61C17/028
摘要: The system includes a reservoir for fluid; a droplet generator for creating a stream of fluid droplets from the fluid wherein the velocity of the stream of droplets is within a range of 20 meters per second to 200 meters per second and the size of the droplets is within a range of 5 microns to 200 microns. A nozzle or nozzles direct the stream of droplets to safely clean a selected tooth or teeth surface area. The specific momentum of effective fluid droplets within the stream of fluid droplets is important in safe and effective cleaning.
摘要翻译: 该系统包括用于流体的储存器; 用于从流体产生流体液滴的液滴发生器,其中液滴流的速度在20米/秒至200米/秒的范围内,并且液滴的尺寸在5微米至200埃的范围内 微米。 喷嘴或喷嘴引导液滴流以安全地清洁选定的牙齿或牙齿表面区域。 流体液滴内有效流体液滴的特定动量在安全有效的清洗中是重要的。
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2.
公开(公告)号:US3966787A
公开(公告)日:1976-06-29
申请号:US477849
申请日:1974-06-10
申请人: Johannes DE Jager , Hendrik Hansma
发明人: Johannes DE Jager , Hendrik Hansma
IPC分类号: B01J2/06 , C07C67/00 , C07C407/00 , C07C409/16 , C07C409/34 , C07C68/00 , C07C179/14
CPC分类号: C07C407/006 , B01J2/06 , C07C407/00 , C07C409/16 , C07C409/34
摘要: A process is disclosed for the preparation of granular or pulverulent organic peroxides which are solid at temperatures ranging from -20.degree. to 55.degree.C by solidifying the peroxide in liquid form with a liquid cooling medium which at most hardly dissolves the peroxide, which is liquid at a temperature of -20.degree.C or lower, and which is gaseous at the storage temperature of the peroxide to be solidified. An example of the liquid cooling medium is liquid nitrogen and an example of the organic peroxide is diisopropylperoxydicarbonate. The present process permits the formation of granular or pulverulent solid organic peroxides without traces of liquid peroxide which can cause safety problems.
摘要翻译: 公开了一种制备颗粒状或粉状有机过氧化物的方法,其通过使液体形式的过氧化物固化至少几乎不溶解过氧化物的液体冷却介质,其在-20℃至55℃的温度范围内为固体,其为液体 在-20℃以下的温度下,在要固化的过氧化物的保存温度下为气态。 液体冷却介质的一个实例是液氮,有机过氧化物的实例是过氧化二碳酸二异丙酯。 本方法允许形成颗粒状或粉状的固体有机过氧化物,而不会产生可能导致安全问题的液体过氧化物。
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