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公开(公告)号：US3251657A
公开(公告)日：1966-05-17
申请号：US27913263
申请日：1963-05-09
Applicant: HOECHST AG
Inventor： DITMAR BACHMANN , HELMUT GERSTENBERG , KARLHEINZ GRAFEN , EMMERICH PASZTHORY , ERWIN SCHROTT
CPC classification number: C08G63/785 , B01J19/242 , B01J2219/00121 , B01J2219/00162 , B01J2219/00168 , B01J2219/00182 , B01J2219/182
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