发明授权
- 专利标题: Process for preparing granular sodium silicates
- 专利标题(中): 制备颗粒状硅酸钠的方法
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申请号: US297227申请日: 1994-08-29
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公开(公告)号: US5520860A公开(公告)日: 1996-05-28
- 发明人: Alexander Tapper , Gunther Schimmel , Hans-Peter Rieck , Gerhard Noltner
- 申请人: Alexander Tapper , Gunther Schimmel , Hans-Peter Rieck , Gerhard Noltner
- 申请人地址: DEX Frankfurt am Main
- 专利权人: Hoechst AG
- 当前专利权人: Hoechst AG
- 当前专利权人地址: DEX Frankfurt am Main
- 优先权: DEX4330868.6 19930911
- 主分类号: B01J2/22
- IPC分类号: B01J2/22 ; B01J2/28 ; C01B33/32 ; C11D3/08 ; C11D3/12 ; C11D11/00 ; C11D17/00 ; B29B9/16
摘要:
To prepare a compacted, granular sodium silicate having an SiO.sub.2 /Na.sub.2 O molar ratio of 1.7:1 to 4.1:1, sodium silicate having a median particle diameter of
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