62.
    发明专利
    未知

    公开(公告)号:BRPI0414449A

    公开(公告)日:2006-11-14

    申请号:BRPI0414449

    申请日:2004-09-14

    Applicant: BASF AG

    Abstract: A process for preparing copolymers which comprises copolymerizing (A) at least one ethylenically unsaturated dicarboxylic anhydride derived from at least one dicarboxylic acid having 4 to 8 carbon atoms, (B) at least one vinylaromatic compound, and (C) optionally at least one non-(A) ethylenically unsaturated comonomer containing at least one heteroatom, (D) reacting the copolymer with at least one compound of the formula I a or I b where A 1 is C 2 -C 20 alkylene, identical or different, R 1 is C 1 -C 30 alkyl, linear or branched, and n is an integer from 1 to 200, hydrolyzing the product with water or an aqueous alkaline solution, and subsequent to hydrolysis adding further free-radical initiator.

    63.
    发明专利
    未知

    公开(公告)号:BRPI0414424A

    公开(公告)日:2006-11-14

    申请号:BRPI0414424

    申请日:2004-09-18

    Applicant: BASF AG

    Abstract: Fibrous substrates are treated with (a) at least one oligomer of branched or straight-chain C 3 -C 10 -alkene having an average molecular weight M n of up to 1200 g/mol, (b) at least one emulsifier which is obtainable by copolymerization of (A) at least one ethylenically unsaturated dicarboxylic anhydride, derived from at least one dicarboxylic acid of 4 to 8 carbon atoms, (B) at least one oligomer of branched or straight-chain C 3 -C 10 -alkene, at least one oligomer having an average molecular weight M n of up to 1200 g/mol, (C) at least one alpha-olefin of up to 16 carbon atoms and (D) optionally at least one ethylenically unsaturated comonomer, and optionally reaction with (E) at least one compound of the formula I a, I b, I c or I d and, if appropriate, subsequent contact with water, where, in formulae I a to I d, A 1 are identical or different C 2 -C 20 -alkylene, R 1 is linear or branched C 1 -C 30 -alkyl, phenyl or hydrogen, and n is an integer from 1 to 200.

    PROCEDIMIENTO PARA LA FABRICACION DE CUERO USANDO POLIMERIZADOS, Y DICHO POLIMERIZADO

    公开(公告)号:AR046512A1

    公开(公告)日:2005-12-14

    申请号:ARP040102599

    申请日:2004-07-22

    Applicant: BASF AG

    Abstract: Procedimiento para la fabricación de cuero, caracterizado porque se tratan pieles en tripa, pieles en tripa piqueladas o productos semiacabados con por lo menos un polimerizado, obtenido por copolimerización de: A) por lo menos un ácido mono o dicarboxílico etilénicamente insaturado C3-8 o por lo menos un anhídrido derivado de un ácido mono o dicarboxílico C3-8; B) por lo menos un compuesto aromático vinílico; C) por lo menos un éter alcoxilado no saturado de la fórmula general (1); D) opcionalmente, otros monómeros monoetilénicamente insaturados, teniendo las variables en la fórmula (1) las definiciones siguientes R1, R2, R3 son radicales iguales o diferentes y son seleccionados entre: alquilo C1-4 o hidrógeno; R4', R5' son radicales cada vez iguales o diferentes y son seleccionados entre: alquilo C1-4 o hidrógeno; R6 es seleccionado entre: hidrógeno, SO3M, PO3M2, alquilo C1-30, CO-H (formilo), CO-alquilo (C1-20)-, CO-arilo-(C6-14); M es metal alcalino o NH4+ o CH3; n es un número entero de 3 a 100; y es un número entero de 0 a 10.

    66.
    发明专利
    未知

    公开(公告)号:BRPI0406641A

    公开(公告)日:2005-12-06

    申请号:BRPI0406641

    申请日:2004-01-22

    Applicant: BASF AG

    Abstract: A process for the preparation of aqueous formulations, and aqueous formulations so prepared, the process comprising heating at least one cyclic compound of the formula I in the presence of water and of an acidic catalyst and, during or after the heating, H-X-R 3 is at least partially separated off, where, in formula I, X is selected from oxygen, sulfur and N-R 6 , R 1 -R 6 are as defined, and n is an integer from 1 to 4.

    Producing aqueous copolymer dispersions, e.g. useful for treating leather, comprises copolymerizing an ethylenically unsaturated dicarboxylic acid anhydride and an alkene oligomer and adding water

    公开(公告)号:DE10355402A1

    公开(公告)日:2005-06-30

    申请号:DE10355402

    申请日:2003-11-25

    Applicant: BASF AG

    Abstract: Producing aqueous copolymer dispersions with a water content of 30-99.5 wt.% comprises radical copolymerization of an ethylenically unsaturated dicarboxylic acid anhydride having 4-8 carbon atoms, an oligomer of an alkene having 3-10 carbon atoms and optionally an ethylenically unsaturated comonomer, optionally reacting the product with an alkoxylated alcohol (Ia) or alkoxylated amine (Ib), and adding water. Producing aqueous copolymer dispersions with a water content of 30-99.5 wt.% comprises radical copolymerization of an ethylenically unsaturated dicarboxylic acid anhydride having 4-8 carbon atoms, an oligomer of an alkene having 3-10 carbon atoms, where the oligomer has a molecular weight of 300-5000 or is produced by oligomerising at least 3 equivalents of the alkene, and optionally an ethylenically unsaturated comonomer, optionally reacting the product with an alkoxylated alcohol of formula (Ia) or alkoxylated amine of formula (Ib), and adding water. HO(A 1>O) nR 1> (Ia) H 2N(A 1>O) nR 1> (Ib) A 1>2-20C alkylene; R 1>1-30C alkyl, phenyl or H; n : 1-200. Independent claims are also included for: (1) aqueous copolymer dispersions produced as above; (2) treatment of fibrous substrates using the dispersions; (3) fibrous substrates treated as above; (4) copolymers produced by radical copolymerization of an anhydride, oligomer and optional comonomer as above, reaction with (Ia) or (Ib) and optional hydrolysis; (5) impregnating flat substrates with dispersions or copolymers as above.

    68.
    发明专利
    未知

    公开(公告)号:NO20050660L

    公开(公告)日:2005-03-29

    申请号:NO20050660

    申请日:2005-02-08

    Applicant: BASF AG

    Abstract: Additive mixture comprises a (partially) neutralized fatty acid and a detergent having a polar head group and a hydrophobic hydrocarbon group with a number-average molecular weight of 85-20000. Independent claims are also included for: (1) fuel composition comprising a hydrocarbon fuel, an additive mixture as above and optionally other additives; (2) lubricant composition comprising an additive mixture as above, a lubricant and optionally other additives; (3) additive concentrate comprising an additive mixture as above, a diluent and optionally other additives.

    CURTIENTE Y AGENTE DE CONSERVACION A BASE DE COMPUESTOS PROVENIENTES DE REACCIONES DE DIALDEHIDOS

    公开(公告)号:AR039879A1

    公开(公告)日:2005-03-09

    申请号:ARP030101585

    申请日:2003-05-06

    Applicant: BASF AG

    Abstract: Curtientes obtenidos por reacción de por lo menos un aldehído de la fórmula general (1), con por lo menos otro aldehído idéntico o diferente de la fórmula (1), en donde las variables tienen las definiciones siguientes: Z significa un enlace químico simple, alquileno C1-12, cicloalquileno C5-12 o arileno C6-14, eventualmente sustituidos, realizándose la reacción en presencia de un catalizador ácido y opcionalmente en presencia de por lo menos otro compuesto carbonilo de la fórmula (2), en donde R1 a R4 significan, independientemente, hidrógeno, alquilo C1-12, cicloalquilo C3-12, aralquilo C7-13 o arilo C6-14, eventualmente sustituidos, siendo preciso, que cuando Z significa un enlace simple o un radical sin átomos de alfa-hidrógeno, esté presente por lo menos otro aldehído de la fórmula (1) en el que el radical Z contenga átomos de alfa-hidrógeno o por lo menos otro compuesto de carbonilo de la fórmula (2). Procedimiento para la obtención de estos curtientes, su uso como agentes de conversación, especialmente, para la precurtición, curtición y recurtición de pieles animales, y un procedimiento para la precurtición, curtición o recurtición de pieles animales mediante dichos curtientes. Sustancia activa pulverulenta, que contiene uno o varios de dichos curtientes, procedimiento para la obtención de esta sustancia activa pulverulenta y uso de la misma como agente de conversación y cueros obtenidos usando los curtientes o aplicando el procedimiento descripto.

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