发明授权
- 专利标题： Preparation of spinel extrudates
- 专利标题（中）： 制备尖晶石挤出物
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申请号： US09275801申请日： 1999-03-25
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公开(公告)号： US06177382B1公开(公告)日： 2001-01-23
- 发明人: Michael Hesse , Otto Kumberger
- 申请人： Michael Hesse , Otto Kumberger
- 优先权： DE19813171 19980325
- 主分类号： B01J2372
- IPC分类号： B01J2372
摘要：
In a process for preparing spinel extrudates by extruding molding compositions comprising spinel powder with or without extrusion assistants, stabilizers, shrinkage reducers, pore-formers or mixtures thereof subsequent drying and calcination of the extrudates, the molding composition further comprises aluminum oxides or aluminum oxide hydrates and metal nitrates.
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