Isomeric diaminobenzophenonedicarboxylic acids and method for preparing same
摘要
3,3'-diamino-4,4'-benzophenonedicarboxylic acid, 4,4'-diamino-3,3'-benzophenonedicarboxylic acid and 3,4'-diamino-3',4-benzophenonedicarboxylic acid and process for preparing same.
申请公布号
US4234743(A)
申请公布日期
1980.11.18
申请号
US19790039868
申请日期
1979.05.17
申请人
GR & DC
发明人
SCHULZ, JOHANN G.;ONOPCHENKO, ANATOLI;SABOURIN, EDWARD T.
