| 发明名称 |
Method for preparing filter aid for analytical use |
| 摘要 |
A method for making a filter aid for tangled short-length ceramic fibers having a bulk density in the range of about 0.02-0.18 g/cm3 includes cutting long ceramic fibers in water, dehydrating, forming small masses, and then heating to provide constant weight masses.
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| 申请公布号 |
US5417889(A) |
申请公布日期 |
1995.05.23 |
| 申请号 |
US19930012451 |
申请日期 |
1993.02.02 |
| 申请人 |
KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO |
发明人 |
AKIBA, MASANORI;KIDA, MASAHIRO;HAMADA, SHOICHI |
| 分类号 |
B01D39/06;B01J20/28;G01N33/02;(IPC1-7):G01N33/00;G01N33/10;C04B35/80 |
主分类号 |
B01D39/06 |
| 代理机构 |
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| 主权项 |
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