31.
    发明专利
    未知

    公开(公告)号:AT193946T

    公开(公告)日:2000-06-15

    申请号:AT94927502

    申请日:1994-08-25

    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.

    32.
    发明专利
    未知

    公开(公告)号:BR9306608A

    公开(公告)日:1998-12-08

    申请号:BR9306608

    申请日:1993-06-16

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP93/01516 Sec. 371 Date Dec. 23, 1994 Sec. 102(e) Date Dec. 23, 1994 PCT Filed Jun. 16, 1993 PCT Pub. No. WO94/00518 PCT Pub. Date Jan. 6, 1994Dye mixtures useful for dyeing or printing textile fibers or fabrics contain from 40 to 75% by weight, based on the weight of the dyes, of a dye of the formula where R is C1-C4-alkyl and n is 1 and from 25 to 60% by weight, based on the weight of the dyes, of a dye of the abovementioned formula where R is C1-C4-alkyl and n is 2.

    NITRO DYES
    37.
    发明专利

    公开(公告)号:CA2195477A1

    公开(公告)日:1996-02-08

    申请号:CA2195477

    申请日:1995-07-13

    Applicant: BASF AG

    Abstract: Nitro dyes of formula (I), in which X1 and X2 are hydrogen, C1-C6 alkyl, C1-C6 alkoxy or pyrrolidine-2-one-1-yl, X3 is hydrogen or C1-C6 alkyl and X4 is a radical of formula (a), (b) or (c), in which R1 is hydrogen, possibly substituted C1-C12 alkyl, possibly substituted C3-C7 cycloalkyl or possibly substituted phenyl, R2 and R3 are hydrogen, C1-C6 alkyl or C1-C6 alkoxy, R4 is hydrogen, methyl, ethyl, methoxy or ethoxy and R5 is hydrogen or C1-C6 alkyl and process for their production and their use in dyeing or printing textiles.

    39.
    发明专利
    未知

    公开(公告)号:DE59103866D1

    公开(公告)日:1995-01-26

    申请号:DE59103866

    申请日:1991-07-18

    Applicant: BASF AG

    Abstract: Aminobenzophenones have the formula where the ring A may be benzofused, X1 is hydrogen or hydroxysulfonyl, X2 is hydrogen, hydroxysulfonyl, hydroxysulfonylphenyl, hydroxysulfonylbenzyl or hydroxysulfonylphenylethyl, R1, R2 and R3 are each independently of the others hydrogen, halogen, C1-C12-alkyl, cyclohexyl or C1-C4-alkoxy, or one of them may also be the radical of the formula where L is a chemical bond, C1-C4-alkylene or -O-CH2- and Y1, Y2 and Y3 are each independently of the others hydrogen, halogen, C1-C12-alkyl or C1-C4-alkoxy and R4, X1, X2 and the ring A are each as defined above, and R4 is hydrogen or chlorine, with the proviso that X1 and X2 are not both hydrogen, their intermediates having the formula where L is as defined above.

    40.
    发明专利
    未知

    公开(公告)号:MX9303775A

    公开(公告)日:1994-02-28

    申请号:MX9303775

    申请日:1993-06-23

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP93/01516 Sec. 371 Date Dec. 23, 1994 Sec. 102(e) Date Dec. 23, 1994 PCT Filed Jun. 16, 1993 PCT Pub. No. WO94/00518 PCT Pub. Date Jan. 6, 1994Dye mixtures useful for dyeing or printing textile fibers or fabrics contain from 40 to 75% by weight, based on the weight of the dyes, of a dye of the formula where R is C1-C4-alkyl and n is 1 and from 25 to 60% by weight, based on the weight of the dyes, of a dye of the abovementioned formula where R is C1-C4-alkyl and n is 2.

Patent Agency Ranking