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专利名称：Abrasion resistant catalyst
发明人：Harry Danziger,Otto Immel,Bernd-Ulrich
Kaiser,Hans-Helmut Schwarz,EberhardBandtel
申请号：US05/832012申请日：19770909公开号：US04157986A公开日：19790612
摘要：A process for the preparation of catalyst granulates from carbon black, boricacid, water and optionally nitrogenous additives, characterized in that from 3 to 50% byweight of a finely divided catalyst, which has already been used for the preparation ofcaprolactam and which has optionally been regenerated, are added.
申请人：BAYER AG
代理机构：Connolly and Hutz
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