51.
    发明专利
    未知

    公开(公告)号:ID24110A

    公开(公告)日:2000-07-06

    申请号:ID20000268

    申请日:1998-08-20

    Applicant: BASF AG

    Abstract: Ruthenium complexes of the formula I or IVwhereX, Y are anionic ligands,R is hydrogen or a substituted or unsubstituted C1-C20-alkyl radical or C6-C20-aryl radical andL1 and L2 are, independently of one another, uncharged electron donor ligands, are prepared by(a) reaction of RuX3 with L1 and L2 in an inert solvent in the presence of a reducing agent and hydrogen and(b) reaction with compounds of the formula IIwhere R is as defined above, in the presence or absence of water, and, if desired after isolation of the intermediate, with HY, [HL1]Y or [HL2]Y.

    PREPARATION OF PROPENE
    53.
    发明专利

    公开(公告)号:CA2249019A1

    公开(公告)日:1999-04-17

    申请号:CA2249019

    申请日:1998-10-16

    Applicant: BASF AG

    Abstract: A process for preparing propene and a) reaction of 1-butene, 2-butene and isobutene to give propene, 2-pentene and 2-methyl-2-butene in the presence of a metathesis catalyst comprising at least o ne compound of a metal of transition group VIb, VIIb or VIII of the Periodic Table of the Elements, b) subsequent separation of the propene and 2-pentene/2-methyl-2-butene formed, c) subsequent reaction of the 2-pentene and 2-methyl-2-butene with ethene to giv e propene, 1-butene and isobutene in the presence of a methathesis catalyst compri sing at least one compound of a metal of transition group VIb, VIIb or VIII of the Periodic Table of the Elements, d) subsequent separation of the propene and 1-butene/isobutene formed, e) subsequent return of the 1-butene and isobutene formed to step a), are described.

    PREPARACION DE PROPENO.
    55.
    发明专利

    公开(公告)号:MX9707364A

    公开(公告)日:1998-06-30

    申请号:MX9707364

    申请日:1997-09-26

    Applicant: BASF AG

    Abstract: Se describe un proceso para preparar propeno y 1-buteno haciendo reaccionar 2-penteno con eteno en presencia de un catalizador de metatésis que comprende por los menos un compuesto de un metal de transicion del grupo VIb, VIIb u VIII de la Tabla Periodica de los Elementos, y también un proceso para preparar propeno a) haciendo reaccionar 1-buteno y 2-buteno para proporcionar propeno y 2-penteno, en presencia de un catalizador de metatésis que comprende por lo menos un compuesto de un metal de transicion del grupo VIb, VIIb u VIII de la Tabla Periodica de los Elementos, b) separar subsecuentemente el propeno y el 2-penteno formados, c) hacer reaccionar subsecuentemente el 2-penteno con eteno para proporcionar propeno y 1-buteno, en presencia de un catalizador de metatésis que comprende por lo menos un compuesto de un metal de transicion del grupo VIb, VIIb u VIII de la Tabla Periodica de los Elementos, d) separar subsecuentemente el propeno y el 1-buteno formados, e) hacer regresar subsecuentemente el 1-buteno formado, al paso a).

    59.
    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.

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