42.
    发明专利
    未知

    公开(公告)号:DE19809994B4

    公开(公告)日:2006-02-09

    申请号:DE19809994

    申请日:1998-03-09

    Applicant: BASF AG

    Abstract: Clathrates of bis[6-hydroxy-4-methyl-5-(3-methyl-imidazolium-1-yl)-3-(phen-4-ylazo)pyridin-2-one]ethylene with aromatics of the general formula I where R1 is C1-C5-alkyl, C1-C5-hydroxyalkyl, C1-C5-alkoxy, C1-C5-hydroxyalkoxy, C1-C10-alkyl which is interrupted by 1, 2 or 3 non-neighboring oxygen atoms and is unsubstituted or substituted by hydroxyl, C1-C10-alkoxy which is interrupted by 1, 2 or 3 non-neighboring oxygen atoms and is unsubstituted or substituted by hydroxyl, or is C1-C6-alkanoyl, hydroxy, carboxyl, C1-C6-alkoxycarbonyl, phenylcarbonyl or C1-C6-alkenyl and R2 is R1, hydrogen or phenoxy, a process for their preparation and their use for the preparation of formulations of the dye.

    48.
    发明专利
    未知

    公开(公告)号:DE3812053A1

    公开(公告)日:1989-10-26

    申请号:DE3812053

    申请日:1988-04-12

    Applicant: BASF AG

    Abstract: In the process, dyes of the formula (I) … … are transferred from a carrier with the aid of a thermal printing head. In the formula, X denotes H or CN, R , R and R independently of one another denote alkyl, alkylcarbonyloxyalkyl, alkoxycarbonyloxy- alkyl, alkoxycarbonylalkyl, haloalkyl, hydroxyalkyl or cyanoalkyl or denote benzyl or phenyl which is optionally substituted by alkyl or alkoxy or denote a radical of the formula -[Y-O]m-R (II),… in which Y is C2-C6-alkylene, m is 1 to 6 and R is alkyl or phenyl, and R and R are optionally substituted alkyl or optionally substituted phenyl when X is H or R must be optionally substituted phenyl when X is H and R is H. … The dyes (I) have better solubility and/or higher lightfastness compared with the prior art and good to outstanding transfer properties.

    50.
    发明专利
    未知

    公开(公告)号:DE3133391A1

    公开(公告)日:1983-03-10

    申请号:DE3133391

    申请日:1981-08-24

    Applicant: BASF AG

    Abstract: Cationic dyes of the general formula where A and A' may be identical or different and are each a monovalent radical of a dye from the series comprising the azo or quinophthalone dyes, or A and A' independently of one another are each one of the radicals of the formulae and R is C1-C6-alkyl, benzyl or aryl, R1 is hydrogen, C1-C4-alkyl or aryl, D' and D'' are respectively a monovalent and a divalent radical of a dye from the series comprising the triphenylmethane or xanthene dyes, n is an integer >/=1 and m is an integer >/=1, the sum (n+m) being

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