发明授权
- 专利标题: Abrasion resistant catalyst
- 专利标题(中): 耐磨催化剂
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申请号: US832012申请日: 1977-09-09
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公开(公告)号: US4157986A公开(公告)日: 1979-06-12
- 发明人: Harry Danziger , Otto Immel , Bernd-Ulrich Kaiser , Hans-Helmut Schwarz , Eberhard Bandtel
- 申请人: Harry Danziger , Otto Immel , Bernd-Ulrich Kaiser , Hans-Helmut Schwarz , Eberhard Bandtel
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX2641389 19760915
- 主分类号: B01J21/02
- IPC分类号: B01J21/02 ; B01J21/18 ; B01J37/00 ; C07B61/00 ; C07D201/04
摘要:
A process for the preparation of catalyst granulates from carbon black, boric acid, water and optionally nitrogenous additives, characterized in that from 3 to 50% by weight of a finely divided catalyst, which has already been used for the preparation of caprolactam and which has optionally been regenerated, are added.
公开/授权文献
- US6078090A Trench-gated Schottky diode with integral clamping diode 公开/授权日:2000-06-20
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