22.
    发明专利
    未知

    公开(公告)号:BR9508401A

    公开(公告)日:1998-05-19

    申请号:BR9508401

    申请日:1995-07-03

    Applicant: BASF AG

    Abstract: The invention relates to the use of benzaldehydes of the formula (I), in which ring A can be benzo-anellated and R , R and R are hydrogen, hydroxy, C1-C15 alkyl, C1-C15 alkoxy, cyano, nitro or a radical of the formula NR R or COOR , in which R is hydrogen or possibly substituted C1-C15 alkyl, R is possibly substituted C1-C15 alkyl or a radical of the formula L-NX X , in which L is C2-C8 alkylene and X and X are mutually independently C1-C6 alkyl or, together with the nitrogen atom bonding them, a heterocyclic radical, and R is hydrogen, possibly substituted C1-C15 alkyl or a radical of the formula L-NX X , in which L, X and X have the above meanings, as marking agents for hydrocarbons, a process for detecting these benzaldehydes in hydrocarbons and hydrocarbons containing the above benzaldehydes.

    23.
    发明专利
    未知

    公开(公告)号:ID16238A

    公开(公告)日:1997-09-11

    申请号:ID970816

    申请日:1997-03-13

    Applicant: BASF AG

    Abstract: PHOTOSTABLE MICROCAPSULES COMPRISING A SHELL AND A CORE HAVE A CORE COMPRISING 10-90 BY WEIGHT OF DIALKYL PHTHALATE, 9-89 BY WEIGHT OF HIGH BOILING HYDROCARBONS,1-10 BY WEIGHT OF TRIARYLMETHANE LEUCO DYES, AND 0-10BY WEIGHT OF CUSTOMARY LIGHT STABILIZERS.

    26.
    发明专利
    未知

    公开(公告)号:NO960859D0

    公开(公告)日:1996-03-01

    申请号:NO960859

    申请日:1996-03-01

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP94/02824 Sec. 371 Date Mar. 4, 1996 Sec. 102(e) Date Mar. 4, 1996 PCT Filed Aug. 25, 1994 PCT Pub. No. WO95/07460 PCT Pub. Date Mar. 16, 1995A method for detecting naphthylamines which are present as tracers in mineral oils, wherein the naphthylamine is extracted by treating the mineral oil with an aqueous medium, and is coupled in the aqueous phase with a diazonium salt to form an azo dye, the use of specific naphthylamines as tracers in mineral oils and mineral oils containing these specific naphthylamines.

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