Patent search ap:("BASF AG") AND inv:"BERTHOLD ROST" Page 1

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发明授权
Separation of filter material from carbon black 失效
Title translation: 过滤材料与炭黑的分离

公开(公告)号：US2966431A

公开(公告)日：1960-12-27

申请号：US64757957

申请日：1957-03-21

Applicant: BASF AG

Inventor： LOTHAR LORENZ , BERTHOLD ROST

IPC: B01D41/02 , B01D46/32

CPC classification number: B01D41/02 , B01D46/32

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