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公开(公告)号：YU44571A
公开(公告)日：1981-02-28
申请号：YU44571
申请日：1971-02-24
Applicant: DEGUSSA
Inventor： PETER HOFFAMANN , HOFFAMANN PETER , OTTO EINBERG , EINBERG OTTO , WOLFGANG WEIGERT , WEIGERT WOLFGANG
IPC: B01J31/08 , B01J31/10 , C07C407/00 , C07C409/24 , C07C409/26 , C07C179/10
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