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1.Process for the production of 1-nitronaphthalene-6-sulfonic acid and 1-naphthylamine-7-sulfonic acid 失效
Title translation: 1-硝基萘-6-磺酸和1-萘胺-7-磺酸的制备方法公开(公告)号:US2875243A
公开(公告)日:1959-02-24
申请号:US64720357
申请日:1957-03-20
Applicant: BAYER AG
Inventor: HANS ROOS , KURT BRIESEWITZ , JOSEF HEGEMANN
IPC: C07C309/40 , C07C309/47
CPC classification number: C07C309/40 , C07C309/47
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2.Process for the production of 1-nitronaphthalene-3, 6-and 3, 7-disulfonic acid 失效
Title translation: 生产1-硝基萘-3,6和3,7-二磺酸的方法公开(公告)号:US2875242A
公开(公告)日:1959-02-24
申请号:US64588357
申请日:1957-03-14
Applicant: BAYER AG
Inventor: HANS ROOS , KURT BRIESEWITZ
IPC: C07C303/02 , C07C309/40
CPC classification number: C07C303/06 , C07C309/40
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3.
公开(公告)号:US2823221A
公开(公告)日:1958-02-11
申请号:US39135253
申请日:1953-11-10
Applicant: BAYER AG
Inventor: JOHANNES PFIRSCHKE , WILHELM ALTNER , HANS ROOS
IPC: C07C263/10
CPC classification number: C07C263/04 , C07C263/10 , C07C265/12
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