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    12.
    发明专利
    未知

    公开(公告)号：DE3632009A1

    公开(公告)日：1988-04-07

    申请号：DE3632009

    申请日：1986-09-20

    Applicant: BASF AG

    Inventor： MAYER UDO DR ,  RAULFS FRIEDRICH-WILHELM DR

    IPC: B41M5/136 ,  B41M5/323 ,  C07D213/38 ,  C07D401/04 ,  C07D213/26 ,  C07D213/30 ,  B41M5/16

    Abstract: Pyridine compounds of the general formula where one radical X is phenyl and the other radical X is phenyl which is substituted by halogen, cyano, C1-C5-alkyl, C1-C5-alkoxy or C1-C5-alkoxycarbonyl, or both radicals X are 4-fluorophenyl, and X1 is a radical of the formula where R1 and R2 independently of one another are each straight-chain or branched alkyl, cyanoalkyl, haloalkyl, aryl or aralkyl having a total of 7 to 14 carbon atoms, or is a 5-membered or 6-membered saturated heterocyclic radical and R3 is straight-chain or branched C1-C4-alkyl, are described. The compounds (I) are dye precursors for pressure-sensitive recording systems.

    14.
    发明专利
    未知

    公开(公告)号：DE19711169A1

    公开(公告)日：1998-09-24

    申请号：DE19711169

    申请日：1997-03-18

    Applicant: BASF AG

    Inventor： SCHROEDER GUNTER-RUDOLF DR ,  FREUND TORSTEN DR ,  MAYER UDO DR ,  ETZBACH KARL-HEINZ DR

    IPC: C09B35/64 ,  C09B67/22 ,  C09B69/10 ,  C09B35/039 ,  C09B35/00 ,  D06P1/39 ,  C07C309/50 ,  C07C303/22

    Abstract: The invention relates to azo dyes with an alternating composition of diazocomponents and coupling components, containing in the molecule at least three units of the structure (I) wherein D stands for a tetrazocomponent of the formula (II) wherein X means a direct link, oxygen, sulfur, or a binding link of the formula -NHCO-, -NHCONH-, -CO-, -NHSO2-, -SO2NHSO2-, -SO2-, -SO2-NH-A-NH-SO2-, NAlk-CO-, NAlk-CO-NAlk-, NAlk-CO-NH-, NAlk-SO2-, -SO2-NAlk-SO2-, -SO2-NAlk-A-NAlk-SO2-, -SO2-NAlk-A-NH-SO2-, -CH=CH-, -CH2CH2-, -C(CH3)2-, -CH2- or -NH- and R and R mean hydrogen, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-alkanoyl, cyano, carboxyl, hydroxysulfonyl, C1-C4-alkoxycarbonyl, hydroxy, carbamoyl, mono- or di-(C1-C4)-alyklcarbamoyl, sulfamoyl, mono- or di-(C1-C4)-alkylsulfamoyl, fluorine, chlorine, bromine, nitro or trifluoromethyl independently of one another and R and R mean hydrogen, hydroxysulfonyl or carboxyl independently of one another and wherein K is a coupling component III from the aminonaphthol family, up to 90 mol % of component III being replaceable by a coupling component IV. The invention also relates to methods for the production thereof and the use thereof for dyeing natural or synthetic substrates.

    15.
    发明专利
    未知

    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

    IPC: B01J31/22 ,  C07B61/00 ,  C09B11/00 ,  C09B11/02 ,  C09B11/18

    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.

    16.
    发明专利
    未知

    公开(公告)号：DE59306504D1

    公开(公告)日：1997-06-26

    申请号：DE59306504

    申请日：1993-09-18

    Applicant: BASF AG

    Inventor： SCHROEDER GUNTER-RUDOLF DR ,  MAYER UDO DR

    IPC: C07D471/04 ,  C07D487/04 ,  G03G9/08 ,  G03G9/097

    Abstract: Benzimidazoles of the formula in which n and q are 1 or 2, R is hydrogen, chlorine or methyl, R is hydrogen, optionally substituted C1-C4-alkyl, halogen, nitro or C1-C4-alkanoyl, L is C2-C6-alkylene and An is the equivalent of an anion, electrostatic toners containing the benzimidazoles as charge stabilisers, and the use of the benzimidazoles at charge stabilisers.

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