发明名称 Process for the preparation of 4,4'-dinitrostilbene-2,2-disulfonic acid
摘要 A process is described for the preparation of 4,4'-dinitrostilbene-2,2'-disulfonic acid by oxidation of 4-nitrotoluene-2-sulfonic acid by using liquid, anhydrous ammonia, a liquid alkyl derivative of ammonia or a mixture of ammonia and/or the alkyl derivatives of ammonia with water as the solvent.
申请公布号 US5041632(A) 申请公布日期 1991.08.20
申请号 US19880203850 申请日期 1988.06.07
申请人 CIBA-GEIGY CORPORATION 发明人 GUGLIELMETTI, LEONARDO
分类号 B01J31/04;B01J23/34;B01J23/40;B01J23/70;B01J27/053;B01J27/08;B01J27/24;B01J31/02;C07B61/00;C07C;C07C67/00;C07C301/00;C07C303/22;C07C303/32;C07C307/00;C07C309/40 主分类号 B01J31/04
代理机构 代理人
主权项
地址