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1.发明授权
公开(公告)号：US3330678A
公开(公告)日：1967-07-11
申请号：US44092265
申请日：1965-03-18
Applicant: DEGUSSA
Inventor： EUGEN MEYER-SIMON , HERBERT MANN , ALBERT RUCKER
IPC: C09C1/00
CPC classification number: C09C1/0009 , C01P2004/80 , C01P2006/60 , C01P2006/80
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