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公开(公告)号：DE4211783A1
公开(公告)日：1993-10-14
申请号：DE4211783
申请日：1992-04-08
Applicant: BASF AG
Inventor： GESSNER THOMAS DR , MAYER UDO DR
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公开(公告)号：DE59306714D1
公开(公告)日：1997-07-17
申请号：DE59306714
申请日：1993-03-27
Applicant: BASF AG
Inventor： GESSNER THOMAS DR , MAYER UDO DR
Abstract: Method for producing diarylmethane or triarylmethane dyes by oxidation of di- or triarylmethanes in the presence of a diluent and of an oxygen transfer catalyst which contains a complexed heavy metal ion. The oxidising agent used is hydrogen peroxide, a hydrogen peroxide donor, an organic hydroperoxide or a percarboxylic acid. The oxygen transfer catalyst is a member of the class of the porphyrins, tetraaza[14]annulenes, phthalocyanines or tetraazacyclotetradecanes.
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Patent Agency Ranking3.发明专利
公开(公告)号：DE4002929A1
公开(公告)日：1991-08-08
申请号：DE4002929
申请日：1990-02-01
Applicant: BASF AG
Inventor： GESSNER THOMAS DR , MAYER UDO DR
IPC: B41M5/327 , C07D493/10
Abstract: Xanthene derivs. of formula (I) are new. In (I) R1 = a N-bonded 5- or 7-membered satd. heterocyclic gp. substd. by one to four 1-4C alkyl gps. USE - (I) are useful as dyes for producing black shades, esp. in thermal printing paper.
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公开(公告)号：DE59403866D1
公开(公告)日：1997-10-02
申请号：DE59403866
申请日：1994-12-13
Applicant: BASF AG
Inventor： GESSNER THOMAS DR
IPC: C07C46/02 , B01J31/18 , C07C46/06 , C07C46/08 , C07C50/04 , C07C303/22 , C07C303/32 , C07C309/25 , C09B13/00
Abstract: Process for the preparation of benzoquinones by oxidising phenols in the presence of a diluent and of an oxygen-transferring catalyst which contains a complexed heavy-metal ion, in which process the oxidant used is oxygen, hydrogen peroxide, a compound which releases hydrogen peroxide, an organic hydroperoxide, a percarboxylic acid or a peroxomonosulphuric acid or salts thereof, and the oxygen-transferring catalyst is from the class of the iron, manganese or chromium tetraaza[14]annulenes.
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公开(公告)号：DE59305423D1
公开(公告)日：1997-03-27
申请号：DE59305423
申请日：1993-03-27
Applicant: BASF AG
Inventor： GESSNER THOMAS DR , MAYER UDO DR
Abstract: Method of preparing di- or triarylmethane dyes by oxidation of di- or triarylmethanes in the presence of a diluent and of an oxygen-transferring catalyst which contains a complexed heavy metal ion, or of a catalyst based on molybdenic acid and vanadium compounds, wherein the oxidising agent used is peroxomonosulphuric acid or salts thereof.
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公开(公告)号：DE4343667A1
公开(公告)日：1995-06-22
申请号：DE4343667
申请日：1993-12-21
Applicant: BASF AG
Inventor： GESSNER THOMAS DR
IPC: C07C46/02 , B01J31/18 , C07C46/06 , C07C46/08 , C07C50/04 , C07C303/22 , C07C303/32 , C07C309/25 , C09B13/00 , C07C39/00 , C07F15/02 , C07F15/06 , C07F15/00 , B01J31/22 , C09B57/00
Abstract: Process for the preparation of benzoquinones by oxidising phenols in the presence of a diluent and of an oxygen-transferring catalyst which contains a complexed heavy-metal ion, in which process the oxidant used is oxygen, hydrogen peroxide, a compound which releases hydrogen peroxide, an organic hydroperoxide, a percarboxylic acid or a peroxomonosulphuric acid or salts thereof, and the oxygen-transferring catalyst is from the class of the iron, manganese or chromium tetraaza[14]annulenes.
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公开(公告)号：DE4211782A1
公开(公告)日：1993-10-14
申请号：DE4211782
申请日：1992-04-08
Applicant: BASF AG
Inventor： GESSNER THOMAS DR , MAYER UDO DR
Abstract: Method of preparing di- or triarylmethane dyes by oxidation of di- or triarylmethanes in the presence of a diluent and of an oxygen-transferring catalyst which contains a complexed heavy metal ion, or of a catalyst based on molybdenic acid and vanadium compounds, wherein the oxidising agent used is peroxomonosulphuric acid or salts thereof.
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