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公开(公告)号：US5766312A
公开(公告)日：1998-06-16
申请号：US819071
申请日：1997-03-18
CPC分类号： B01J20/103 , B01D53/0454 , B01D53/261 , B01D53/28 , B01J20/041 , B01J20/06 , B01J20/08 , B01J20/16 , B01J20/18 , B01J20/3007 , B01J20/3078 , B01J20/3204 , B01J20/3248 , B01J20/3251 , B01J2220/49 , Y10T428/2993
摘要： Particulate adsorbents composed of inorganic oxides impregnated with an indicator dye selected from the group consisting of phenolphthalein, cresol red and thymol blue; a method for the production thereof, and a method for adsorptive drying of neutral gases using the aforementioned particulate adsorbents, whereby the degree of water absorption by the adsorbent particles is indicated by a reversible color change.
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公开(公告)号：US5484454A
公开(公告)日：1996-01-16
申请号：US318441
申请日：1994-10-05
IPC分类号： B01D53/02 , B01D53/04 , B01D53/26 , B01D53/28 , B01J20/02 , B01J20/06 , B01J20/10 , B01J20/32 , B01J20/04 , D06P3/80
CPC分类号： B01J20/103 , B01D53/0454 , B01D53/261 , B01D53/28 , B01J20/041 , B01J20/06 , B01J20/08 , B01J20/16 , B01J20/18 , B01J20/3007 , B01J20/3078 , B01J20/3204 , B01J20/3248 , B01J20/3251 , B01J2220/49 , Y10T428/2993
摘要： Particulate adsorbents composed of inorganic oxides impregnated with an indicator dye selected from the group consisting of phenolphthalein, cresol red and thymol blue; a method for the production thereof, and a method for adsorptive drying of neutral gases using the aforementioned particulate adsorbents, whereby the degree of water absorption by the adsorbent particles is indicated by a reversible color change.
摘要翻译： 颗粒吸附剂由浸渍有选自酚酞，甲酚红和百里酚蓝的指示剂染料的无机氧化物组成; 其制造方法和使用上述颗粒吸附剂吸附干燥中性气体的方法，由此吸附剂颗粒的吸水度由可逆的颜色变化表示。
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