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公开(公告)号：DE3644824A1
公开(公告)日：1988-07-14
申请号：DE3644824
申请日：1986-12-31
Applicant: BASF AG
Inventor： MIEDERER PETER DR , MICHAELIS EBERHARD DR
IPC: C09B1/22 , C07C67/00 , C07C253/00 , C07C255/46 , C07C255/52 , C07C255/58 , C07C121/78 , C07C120/00
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Patent Agency Ranking
公开(公告)号：DE3705386A1
公开(公告)日：1988-09-01
申请号：DE3705386
申请日：1987-02-20
Applicant: BASF AG
Inventor： MICHAELIS EBERHARD DR , HOCH HELMUT DR
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公开(公告)号：DE1935005A1
公开(公告)日：1971-04-29
申请号：DE1935005
申请日：1969-07-10
Applicant: BASF AG
Inventor： MICHAELIS EBERHARD DR , SCHOELLIG ALFRED DR
Abstract: A dyestuff mixture where K is a cation. Th mixtur can be used for dyeing leather.
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公开(公告)号：DE3865451D1
公开(公告)日：1991-11-21
申请号：DE3865451
申请日：1988-02-18
Applicant: BASF AG
Inventor： MICHAELIS EBERHARD DR , HOCH HELMUT DR
Abstract: Prodn. of blue anthraquinone-type disperse dyes (I) comprises reacting the anthraquinone-2-carboxamide deriv. (II) with cyanide in aq. medium in presence of OH-ion trapping agent. The new feature is that reaction is in water of pH 7.5-10.5, in presence of at least one quat. ammonium salt (A) at 60-100 deg.C. R = 1-6C alkyl; 2-(1-6C alkoxy)ethyl, 3-(1-6C alkoxy)propyl or 3-(2-(1-4C alkoxy)ethoxy)propyl. Pref. reaction is at pH 7.6-10 and 70-95 (85-90) deg.C.
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公开(公告)号：DE3768641D1
公开(公告)日：1991-04-18
申请号：DE3768641
申请日：1987-12-19
Applicant: BASF AG
Inventor： MIEDERER PETER DR , MICHAELIS EBERHARD DR
IPC: C09B1/22 , C07C67/00 , C07C253/00 , C07C255/46 , C07C255/52 , C07C255/58
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6.发明专利
公开(公告)号：DE3609827A1
公开(公告)日：1987-09-24
申请号：DE3609827
申请日：1986-03-22
Applicant: BASF AG
Inventor： MICHAELIS EBERHARD DR , SCHUMACHER ALFRED DR
IPC: C07C51/42 , C07C65/34 , C07C51/487
Abstract: Removal of 2-benzoylbenzoic acid (I) from mixtures of 2-alkylbenzoylbenzoic acids (alkyl = tert-butyl (II); tert-amyl (III); s-amyl (IV)) by precipitating II, III and IV from their aqueous alkaline salt solutions using water-soluble acids at pH 4.0 to 6.2.
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