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    73.
    发明专利
    未知

    公开(公告)号：DE4305298A1

    公开(公告)日：1994-08-25

    申请号：DE4305298

    申请日：1993-02-20

    Applicant: BASF AG

    Inventor： WEISER JUERGEN DR ,  REUTHER WOLFGANG DR ,  HAHN ERWIN DR

    IPC: C08G14/10 ,  C08J11/16 ,  C09D161/34 ,  C14C3/20 ,  C08L61/20 ,  C08G12/40 ,  C14C3/18 ,  C08J7/04 ,  C09D161/20

    Abstract: A process for the recycling of cured amino resins in which cured amino resins, optionally containing fillers, are treated with an aqueous sulphite, hydrogen sulphite or disulphite solution and the resultant low-molecular-weight degradation products are employed in chemical processes. The invention also relates to the low-molecular-weight degradation products of cured amino resins which are obtainable by this process, and to their use for the coating of mouldings, for the tanning of leather and hides, and for the production of mouldings containing or comprising cured amino resins.

    New thio-indigo and precursor cpds. for pigmenting lacquers, printing inks and plastics - by ring opening, S-alkylating, cyclising, decarboxylating, de:aminating, hydroxylating and oxidising benzo:isothiazole cpds. for dyeing cellulosic textiles
    75.
    发明专利
    New thio-indigo and precursor cpds. for pigmenting lacquers, printing inks and plastics - by ring opening, S-alkylating, cyclising, decarboxylating, de:aminating, hydroxylating and oxidising benzo:isothiazole cpds. for dyeing cellulosic textiles 未知

    公开(公告)号：DE4319670A1

    公开(公告)日：1994-01-27

    申请号：DE4319670

    申请日：1993-06-14

    Applicant: BASF AG

    Inventor： HAHN ERWIN DR ,  HAGEN HELMUT DR ,  RAATZ PETER DR

    IPC: C07C323/62 ,  C07D333/64 ,  C07D333/70 ,  C08K5/45 ,  C09B7/10 ,  C09D7/00 ,  C09D11/02 ,  C07C319/02 ,  C09D17/00 ,  D06P1/22 ,  D06P3/60

    Abstract: Prodn. comprises (a) treating a benzo isothiazole deriv. of formula (II) with a base; (b) reacting the resultant o-mercapto benzonitrile deriv. of formula (III) with a halomethyl cpd. of the formula Hal-CH2-R (IV); (c) treating the resultant 2'-cyanophenyl mercapto acetic acid deriv. of formula (V) with a base; (d) treating the resultant benzo(b)thiophene-2-carboxylic acid deriv. of formula (VI) with an acid; and (e) oxidising the resultant thio indoxyl deriv. of formula (VII) conventionally. New thioindigo cpds. are of formula (IA) and new o-mercapto benzonitrile derivs. (IIIA), 2'-cyanophenyl mercapto acetic acid derivs. (VA) and benzo(b)-thiophene-2-carboxylic acid derivs. (VIA) and thio indoxyl derivs. (VIIA) are of the given formulae with the same substits. as (IA): ring A has 0-4 substits. of 1-5C alkyl, alkoxy, alkylcarbonyl, alkoxy carboxyl, (di(1-5C))-alkylamino, phenyl, benzoyl, COOH, CN, NO2, NH2, OH and halogen and/or an condensed benzene ring, opt. substd. by 1-5C alkoxy, NO2, NH2 or OH; Hal = Cl, Br or I; R = COOH, a carboxylate anion, CN, 1-4C alkoxycarbonyl or aminocarbonyl. In (IA) and the other new cpds.: (a) R1 = Cl, R2 and R3 = H, Cl or Br and R2 not = H if R1 and R3 = Cl; or (b) R1 = CN, R2 = NH2 and R3 = H; or (c) R1 = H, R2 = NO2 and R3 = H, Cl or Br. USE/ADVANTAGE - (IA) are used for pigmenting lacquers, printing inks and plastics and for dyeing cellulosic textile material (claimed). The prepn. is esp. useful for producing (IA). It is economical, has a wide range of applications and forms (I) of high quality. It avoids difficulties in introducing specific substits. and environmental pollution in the prodn. of specific aniline derivs. normally used as starting material. (IA) are yellow, red, violet or brown pigments or vat dyestuffs with improved properties for application.

    76.
    发明专利
    未知

    公开(公告)号：DE59002103D1

    公开(公告)日：1993-09-02

    申请号：DE59002103

    申请日：1990-12-18

    Applicant: BASF AG

    Inventor： KSOLL PETER DR ,  HAHN ERWIN DR ,  WITTMER PETER ,  HOHMANN ANDREAS DR ,  DE CLERQ ARNOLD DR ,  RIEBELING ULRICH

    IPC: C09K23/00 ,  B01J13/00 ,  C07C45/90 ,  C07C49/88 ,  C07D305/12 ,  C07D315/00 ,  D21H17/06 ,  D21H17/07 ,  D21H17/17 ,  D21H17/46 ,  D21H21/14

    Abstract: Stabilised aqueous C14- to C22-alkyldiketene emulsions containing, as essential components, (a) 10 to 60 % by weight of at least one C14- to C22-alkyldiketene, (b) 1 to 10 % by weight of at least one protective colloid and (c) 0.1 to 20 % by weight of at least one ester of the formula in which R , R are C14- to C22-alkyl, in which case R and R must differ in the alkyl group by at least 4 C atoms, and/or denote identical or different C14- to C22-alkenyl groups, an ester of the formula R -O-CO-O-R (II), in which R and R are alkyl or alkenyl radicals having 2 to 22 C atoms or a urethane of the formula in which R , R and R are identical or different alkyl or alkenyl radicals having 2 to 22 C atoms, and the use of the compounds of the formula I to III as stabiliser for the preparation of alkyldiketene emulsions containing at least 10, preferably 16 to 40 % by weight of alkyldiketene in emulsified form.

    78.
    发明专利
    未知

    公开(公告)号：DE4202566A1

    公开(公告)日：1993-08-05

    申请号：DE4202566

    申请日：1992-01-30

    Applicant: BASF AG

    Inventor： HAHN ERWIN DR ,  HENGELSBERG HEIDI DR ,  MAYER UDO DR

    IPC: C09B29/15 ,  C09B29/20 ,  C09B44/06

    Abstract: Basic azo dyes useful for dyeing or printing polymeric material have the formula (* CHEMICAL STRUCTURE *) where R1 is hydrogen, C1-C4-alkyl, C1-C4-alkoxy or C1-C4-alkanoylamino, R2 is hydrogen, C1-C4-alkyl, C1-C4-alkoxy or a radical of the formula CO-X, and X is hydroxyl, C1-C4-alkoxy, amino, mono- or di(C1-C6-alkyl)amino or a radical of the formula (* CHEMICAL STRUCTURE *) (* CHEMICAL STRUCTURE *) (* CHEMICAL STRUCTURE *) where n is 0 or 1, R3, R4 and R5 are hydrogen or substituted or unsubstituted C1-C4-alkyl, R6 is hydrogen or C1-C4-alkyl, L is C2-C6-alkylene, and An(negative earth) is one equivalent of an anion, with the proviso that at least one basic or quaternary radical is present in the molecule.

    80.
    发明专利
    未知

    公开(公告)号：DE3876926D1

    公开(公告)日：1993-02-04

    申请号：DE3876926

    申请日：1988-10-06

    Applicant: BASF AG

    Inventor： HAHN ERWIN DR ,  HANSEN GUENTER DR ,  ETZBACH KARL-HEINZ DR ,  REICHELT HELMUT DR ,  SCHEFCZIK ERNST DR ,  DEGEN HELMUT ,  KRALLMANN REINHOLD ,  WAGENBLAST GERHARD DR

    IPC: C09B29/00 ,  C09B29/033 ,  C09B67/22

    Abstract: Marine blue and black dye mixts. contg. one or more thiophenazo dyes of formula (I) are claimed, in which R1 = formyl, CN or phenylsulphonyl; R2 = halogen, 1-8C alkoxy, opt. substd. phenoxy, 1-6C alkylthio, phenylthio, 1-6C alkylsulphonyl or phenylsulphonyl; R3 = CN, 1-6C alkoxycarbonyl whose alkyl chain is opt. interrupted by one or more O atoms, carbamoyl or 1-4C mono- or dialkylcarbamoyl; R4 and R5 (same or different) = 1-4C alkyl which may be substd. by OH, 1-4C alkoxy, CN, 1-4C alkanoyloxy, 1-4C alkoxycarbonyloxy or 1-4C alkylaminocarbonyloxy; X = H, 1-4C alkyl, 1-4C alkoxy, Cl, Br or -NH-CO-R6 in which R6 = 1-4C alkyl which may be substd. by 1-4C alkoxy, phenoxy, CN, OH, Cl or 1-4C alkanoyloxy, or a phenoxy gp. which is opt. substd. by 1-4C alkoxy, and Y = H, 1-4C alkyl or 1-4C alkoxy; and one or more dyes (II) having an absorption max. at a wavelength of 390-520 nm, the proportion of (I) on total (I)+(II) being 60-99 wt.%.

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