Glyoxal mono( alpha - or beta -formylalkyl) acetals as tanning agents in the production of leather and skin pelts

    公开(公告)号:DE4335192A1

    公开(公告)日:1995-04-20

    申请号:DE4335192

    申请日:1993-10-15

    Applicant: BASF AG

    Abstract: Process for the tanning of leather and skin pelts, in which, as tanning agents, glyoxal mono( alpha - or beta -formylalkyl) acetals I or II in which R is C1- to C24-alkyl, C2- to C24-alkenyl, a group of the formula -(AO)m-R in which A is a 1,2-alkylene group of 2 to 4 carbon atoms and m may adopt a value from 1 to 20, C5- to C8-cycloalkyl, C7- to C18-aralkyl, C6- to C18-aryl, where aromatic rings may in addition comprise from one to three C1- to C12-alkyl groups, C1- to C12-alkoxy groups, halogen atoms, cyano groups, hydroxyl groups, carboxyl groups, C1- to C12-alkoxycarbonyl groups or sulpho groups as substituents, or is a five- or six-membered unsaturated or saturated heterocyclic ring comprising up to three heteroatoms from the group consisting of nitrogen, oxygen and sulphur, which ring may in addition be benzo fused and can be substituted by from one to three C1- to C12-alkyl groups, C1- to C12-alkoxy groups, halogen atoms, cyano groups, hydroxyl groups, phenyl groups, phenoxy groups or C1- to C12-alkoxycarbonyl groups, R is the group -CH2OR , -CO-OR or -CHO, R is hydrogen, the radical R or a group of the formula , R is hydrogen or the radical R , and R is hydrogen, alkali metal, ammonium or the radical R , and n is a number from 1 to 30, or, from the compounds I and/or II, by intra- or ... Original abstract incomplete.

    3.
    发明专利
    未知

    公开(公告)号:DE19609953A1

    公开(公告)日:1997-09-18

    申请号:DE19609953

    申请日:1996-03-14

    Applicant: BASF AG

    Abstract: The invention concerns a solid composition substantially comprising between 5 and 98 parts by weight of heterocyclic compounds (I) R -X-L , wherein L stands for groups with a cyclic carbamate, a lactoneoxy or a lactam structure, X means a carbonyl, a double carbonyl or a heterocarbonyl group, and R designates an organic group or a second L group, and/or oxime esters (II), wherein L stands for an oxime group (a) or (b), R , R and Z designating organic groups or bridge members, L stands for the R group, a second L oxime group or a carbon ester group, carbon amide group, phenolate group, vinyloxy group, sulphoneamide group, imidazole group, amidolactam group, cyclic carbamate group, lactoneoxy group or lactam group, and m means 0 or 1. The composition further comprises between 2 and 95 parts by weight of inert porous carrier materials with an internal area of between 10 and 500 m /g. The solid composition described is suitable as a stable bleach-activator component in washing, bleaching and cleaning agents.

    6.
    发明专利
    未知

    公开(公告)号:DE59106886D1

    公开(公告)日:1995-12-21

    申请号:DE59106886

    申请日:1991-05-07

    Applicant: BASF AG

    Abstract: New alkylmono- and alkylpolyglucoside ether carboxylate of formula (I) are claimed. In (I) R = 1-24C alkyl or alkylphenyl, hydroxy-(2-6C) alkyl, hydroxy(1-24C)alkyl-phenyl -C(COOX)H-C(COOXH2, -CH2-C(COOX)H-CH2-COOX or H; R1 = H or CH3; R2 = C(COOX)H- C(COOX)H2 or -CH2-C(COOX)H-CH2-COOX; X = H, alkali metal, HN4 and/or substd. NH4; x = 1-10; y = 0-10; z = 1-4.

    7.
    发明专利
    未知

    公开(公告)号:DE4213282A1

    公开(公告)日:1993-10-28

    申请号:DE4213282

    申请日:1992-04-23

    Applicant: BASF AG

    Abstract: Process for the production of polyesters from (a) citric acid or isocitric acid which may be replaced to the extent of up to 29 mol.% by mono or dibasic hydroxy carboxylic acids or by up to 60 mol.% of other di to tetrabasic aliphatic carboxylic acids, and (b) polyhydroxy compounds of the polysaccharide and modified polysaccharide or polyvinyl alcohol group or their mixtures in such a molar ratio (a):(b) that 1.25 to 12 mol of component (a) is used per quantity of component (b) containing 1 mol hydroxy groups, to form condensation products with a K of 8 to 120, and the use of the polyesters as additives in low-phosphate or phosphate-free washing and cleaning agents in quantities of 0.1 to 30 wt % related to the formulation employed.

    Prodn. of 3,4-di:hydro-isoquinoline or deriv.

    公开(公告)号:DE19507522A1

    公开(公告)日:1996-09-05

    申请号:DE19507522

    申请日:1995-03-03

    Applicant: BASF AG

    Abstract: Prodn. of 3,4-dihydro-isoquinoline cpds. of formula (I) comprises oxidising 1,2,3,4-tetrahydro-isoquinoline cpds. of formula (II) with NaOCl and/or KOCl in the absence of organic solvents. R2, R3 = R' or R"; R' = 1-20C alkyl, up to 20C cycloalkyl or aryl (all opt. substd. by aryl, NO2, CN, halogen, 1-20C alkyl, amino, 1-20 aminoalkyl, 1-20C thioalkyl, 1-20 sulphoalkyl, carboxylate ester, OH, 1-20C alkoxy, polyalkoxy or 1-40C quaternised di- or tri- alkylammonium or carboxyalkyl), H or heterocyclyl; R" = NO2, halo, CN, 1-20C alkoxy, phenoxy, benzyloxy, keto, COOH, 1-20C carboalkoxy, NH2 or mono- or di(1-6C alkyl)amino. Also claimed is a process as above where the prod. is quaternised with R1X to give a 3,4-dihydro-isoquinolinium salt of formula (III). R1 = R'; X = oxidn.-stable anion, pref. Cl, Br, sulphate, methylsulphate, sulphonate, p-toluenesulphonate, boron tetrafluoride, phosphorus pentafluoride, phosphate, cyanide or ethylsulphate.

    10.
    发明专利
    未知

    公开(公告)号:DE4427630A1

    公开(公告)日:1996-02-08

    申请号:DE4427630

    申请日:1994-08-04

    Applicant: BASF AG

    Abstract: A process is disclosed for preparing polymers with hydroxamic acid, hydroxamic acid ether and/or hydrazide groups in the side chain, by reacting (a) polymers which contain ester, amide, imide and/or acetal groups in the main chain and carboxyl, ester, imide, amide and/or anhydride groups and/or halogen as side chain, or a polysuccinimide with (b) hydroxylamine, hydroxylamine alkyl ethers with 1 to 18 C atoms in the alkyl group, N-monoalkylhydroxylamines with 1 to 18 C atoms in the alkyl group and/or in salts of said compounds and/or (c) hydrazine and/or hydrazine salts in an aqueous medium or alcohols at pH values of at least 7. Also disclosed is the use of the thus obtained modified polymers as additives to washing and cleaning agents, as complexing agents for alkaline earth and heavy metal ions, as pigment dispersants and as scale inhibitors.

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