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1.发明授权
公开(公告)号：US3141851A
公开(公告)日：1964-07-21
申请号：US3755160
申请日：1960-06-21
Applicant: HOECHST AG
Inventor： ULRICH SCHWENK , ERICH SCHNECK
CPC classification number: C10K1/105 , C01B3/52 , C01B2203/0415 , C01B2203/048 , C07C7/11 , C07C11/02
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