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    21.
    发明专利
    未知

    公开(公告)号：DK0713504T3

    公开(公告)日：1999-06-21

    申请号：DK94925404

    申请日：1994-07-28

    Applicant: BAKER HUGHES LTD ,  BASF AG

    Inventor： FAUL DIETER ,  ROSER JOACHIM ,  HARTMANN HEINRICH ,  VOGEL HANS-HENNING ,  SLOTMAN WILHELMUS ,  KONRAD GERD

    IPC: B01D17/04 ,  C08F8/14 ,  C08F220/26 ,  C08F290/06 ,  C08G63/676 ,  C08G65/32 ,  C08G65/332 ,  C09K8/36 ,  C10G33/04

    Abstract: PCT No. PCT/EP94/02487 Sec. 371 Date Feb. 7, 1996 Sec. 102(e) Date Feb. 7, 1996 PCT Filed Jul. 28, 1994 PCT Pub. No. WO95/04771 PCT Pub. Date Feb. 16, 1995Reaction products which are suitable as demulsifiers for crude oil emulsions, comprise olefinically unsaturated carboxylic acids and polyetherols and are obtainable by A) condensation of one or more unsaturated C3-C10-carboxylic acids or their derivatives of the general formula I I where R1 and R2 are each hydrogen, C1-C4-alkyl or carboxyl, R3 is hydrogen or methyl and R1 together with the carboxyl group may form a 5-membered or 6-membered anhydride ring, with a polyetherol of the general formula II II where R4 is a radical of a monohydric or polyhydric alcohol or of a phenol or of an alkylphenol of 7 to 30 carbon atoms or a radical of an alkylphenol/formaldehyde or alkylphenol/acetaldehyde condensate, R5 is a branched or straight-chain C2-C4-alkylene group, where different units [R5-O] may be present within a polyalkylene oxide chain, and X is an integer of from 5 to 120, in a molar ratio of compounds II to I of from 2:1 to 10:1 and in a weight ratio of from 25:1 to 1,000:1, B) polymerization of the resulting condensate with one or more unsaturated carboxylic acids I and, if required, further olefinically unsaturated monomers copolymerizable with the carboxylic acids I, the amount of the carboxylic acids I being from 50 to 100 mol %, based on the amount of the olefinically unsaturated monomers, and the molar ratio of the polyetherol II to the sum of the olefinically unsaturated monomers used in process steps A) and B) being from 1:5 to 1:200, and subsequent C) condensation of the resulting reaction mixture, with the proviso that not all hydroxyl groups are converted, and a process for their preparation, mixtures of the reaction products with organic solvents and the use of the reaction products and of the mixtures as demulsifiers for crude oil emulsions.

    23.
    发明专利
    未知

    公开(公告)号：ES2111895T3

    公开(公告)日：1998-03-16

    申请号：ES94900129

    申请日：1993-11-11

    Applicant: BASF AG

    Inventor： PERNER JOHANNES ,  DIESSEL PAUL ,  GUEMBEL HELMUT ,  DENZINGER WALTER ,  HARTMANN HEINRICH ,  KRONER MATTHIAS

    IPC: C02F5/10 ,  C08L33/02 ,  C08L35/00 ,  H04L27/20 ,  C08L51/02 ,  C08L77/04 ,  C11D3/37 ,  H04B7/00 ,  H04J3/16 ,  H04J3/22 ,  H04J3/24 ,  H04J11/00 ,  H04J13/00 ,  H04J13/18 ,  H04L20060101 ,  H04L1/00 ,  H04L1/08 ,  H04L12/00 ,  H04L27/30 ,  H04L29/06 ,  H04Q7/38

    Abstract: PCT No. PCT/EP93/03159 Sec. 371 Date May 22, 1995 Sec. 102(e) Date May 22, 1995 PCT Filed Nov. 11, 1993 PCT Pub. No. WO94/12571 PCT Pub. Date Jun. 9, 1994Mixtures of (I) polymers of monoethylenically unsaturated dicarboxylic acids having a molecular weight of from 200 to 5,000 and (II) (1) copolymers having a molecular weight of from 10,000 to 150,000 and comprising (a) from 10 to 70% by weight of monoethylenically unsaturated C4-C8-dicarboxylic acids or the salts thereof and (b) from 30 to 90% by weight of monoethylenically unsaturated C3-C10-monocarboxylic acids and/or the salts thereof, (2) graft polymers having a molecular weight of from 5,000 to 150,000, which are obtainable by free radical graft polymerization of (A) monoethylenically unsaturated C3-C10-carboxylic acids or the anhydrides and/or the salts thereof in the presence of (B) mono-, oligo- or polysaccharides and the derivatives thereof in a weight ratio (A) : (B) of (95 to 20) : (5 to 80), and/or (3) polyaminocarboxylic acids and/or polymers containing aminocarboxylic acid groups contain the components (I) and (II) in a weight ratio of from 10 : 0.5 to 0.5 : 10 and are used as additives for phosphate-free or low-phosphate textile detergents or as dispersants or coating inhibitors in cleaners for hard surfaces.

    SOLUCIONES O DISPERSIONES ACUOSAS DE COPOLIMERIZADOS.
    26.
    发明专利
    SOLUCIONES O DISPERSIONES ACUOSAS DE COPOLIMERIZADOS. 未知

    公开(公告)号：MX9602940A

    公开(公告)日：1997-12-31

    申请号：MX9602940

    申请日：1995-01-16

    Applicant: BASF AG

    Inventor： BIRKHOFER HERMANN ,  KNEIP MICHAEL ,  DANISCH PETER ,  DENZINGER WALTER ,  KISTENMACHER AXEL ,  HARTMANN HEINRICH

    IPC: C08F220/18 ,  C14C9/00 ,  C08F222/06 ,  C08J3/03 ,  C09K23/22 ,  C09K23/42 ,  C14C9/02 ,  C14C09/00

    Abstract: Soluciones o dispersiones acuosas de copolimerizados, que se obtienen por copolimerizacion iniciada por radicales libres de A1) 40 hasta 60% en mol de monoolefinas con 6 hasta 40 átomos de carbono o alquil vinil éteres con 6 hasta 40 átomos de carbono o mezclas a partir de alquil vinil éteres con 6 hasta 40átomos de carbono y hasta 50% en mol, con respecto a la cantidad total del componente A1, de monoolefinas con 6 hasta 40 átomos de carbono, con B1) 60 hasta 40% en mol de anhídridos de ácidos dicarboxilicos monoetilénicamente insaturados con 4 hasta 8 átomos de carbono o por copolimerizacion iniciada por radicales libres de A2) 50 hasta 90% en peso de acrilato o metacrilatos de alquilo con 6 hasta 40 átomos de carbono o vinil ésteres de ácidos carboxílicos con 6 hasta 40 átomos de carbono, o mezclas de los mismos, con B2) 10 hasta 50% en peso de ácidos carboxílicos monoetilénicamente insaturados con 3 hasta 12 átomos de carbono, anhídridos de ácidos dicarboxílicos monoetilénicamente insaturados con 4 hasta 12 átomos de carbono, semiésteres o semiamidas de ácidos dicarboxílicos monoetilénicamente insaturados con 4 hasta 12 átomos de carbono, amidas de ácidos carboxílicos monoetilénicamente insaturados con 3 hasta 12 átomos de carbono, o mezclas de los mismos dando copolimerizados con masas molares de 500 hasta 30 000, estando los grupos carboxilo presentes en el medio acuoso al menos parcialmente neutralizados y pudiendo una parte de los grupos carboxilo estar presentes en forma amida, cuyas soluciones o dispersiones acuosas están caracterizadas por contener 0.5 hasta 40% en peso, con respecto a la cantidad de copolimerizado, de emulsionantes. Estas soluciones o dispersiones acuosas son apropiadas para el engrase y relleno de cueros y pieles.

    28.
    发明专利
    未知

    公开(公告)号：PT95319B

    公开(公告)日：1997-06-30

    申请号：PT9531990

    申请日：1990-09-14

    Applicant: BASF AG

    Inventor： HARTMANN HEINRICH ,  SCHAFFER ORTWIN ,  BAY HERBERT ,  STORK KARL ,  GREIF NORBERT ,  OPPENLAENDER KNUT ,  DENZINGER WALTER

    IPC: C08L33/04 ,  C08L33/06 ,  C09K3/18 ,  C14C9/00 ,  C14C9/02

    Abstract: Use of copolymers that contain as copolymerised units …… a) from 50 to 90 % by weight of C8-C40-alkyl (meth)acrylates, vinyl esters of C8-C40-carboxylic acids or mixtures thereof and … b) from 10 to 50 % by weight of monoethylenically unsaturated C3-C12-carboxylic acids, monoethylenically unsaturated dicarboxylic anhydrides, monoesters or monoamides of monoethylenically unsaturated C4-C12-dicarboxylic acids, amides of C3-C12-monocarboxylic acids or mixtures thereof and have molecular weights of from 500 to 30,000 g per mole, in at least partially neutralised form in aqueous solution or in aqueous dispersion for waterproofing leathers and fur pelts. …

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