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公开(公告)号:AU4634372A
公开(公告)日:1974-03-14
申请号:AU4634372
申请日:1972-09-06
Applicant: HOECHST AG
Inventor: JUNKER PETER , RIBKA JOACHIM , KUNSTMANN WALTER
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公开(公告)号:AU4486772A
公开(公告)日:1974-01-31
申请号:AU4486772
申请日:1972-07-24
Applicant: HOECHST AG
Inventor: DIETZ ERICH , SCHILLING KARL , RIBKA JOACHIM , PRETZER WOLFGANG , KUNSTMANN WALTER
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公开(公告)号:CA1060477A
公开(公告)日:1979-08-14
申请号:CA239182
申请日:1975-11-07
Applicant: HOECHST AG
Inventor: KUNSTMANN WALTER , MEES BERNHARD
IPC: C07B61/00 , B01J23/00 , C07C67/00 , C07C209/00 , C07C209/36 , C07C211/50 , C07D235/26 , C07C87/50
Abstract: PROCESS FOR THE PREPARATION OF TRIAMINO BENZENES of the disclosure: 1,2,4-triamino benzenes are obtained in high yield and purity by catalytic hydrogenation of 2,4-dinitro anilines in water containing at least one molar equivalent of a mono- or di-carboxylic acid. The products are known and useful as intermediates for dyes and biocides.
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公开(公告)号:CA1028690A
公开(公告)日:1978-03-28
申请号:CA201927
申请日:1974-06-07
Applicant: HOECHST AG
Inventor: KUNSTMANN WALTER , RIBKA JOACHIM
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公开(公告)号:DK136079C
公开(公告)日:1978-01-16
申请号:DK410074
申请日:1974-07-31
Applicant: HOECHST AG
Inventor: KUNSTMANN WALTER , RIEPER WOLFGANG
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公开(公告)号:AU6459974A
公开(公告)日:1975-07-17
申请号:AU6459974
申请日:1974-01-17
Applicant: HOECHST AG
Inventor: KUNSTMANN WALTER , RIBKA JOACHIM
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公开(公告)号:CA968791A
公开(公告)日:1975-06-03
申请号:CA147839
申请日:1972-07-25
Applicant: HOECHST AG
Inventor: DIETZ ERICH , PRETZER WOLFGANG , SCHILLING KARL , RIBKA JOACHIM , KUNSTMANN WALTER
IPC: C09B67/00
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公开(公告)号:DK410074A
公开(公告)日:1975-04-01
申请号:DK410074
申请日:1974-07-31
Applicant: HOECHST AG
Inventor: KUNSTMANN WALTER , RIEPER WOLFGANG
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