5.
    发明专利
    未知

    公开(公告)号:DE59606773D1

    公开(公告)日:2001-05-17

    申请号:DE59606773

    申请日:1996-05-09

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP96/01973 Sec. 371 Date Nov. 6, 1997 Sec. 102(e) Date Nov. 6, 1997 PCT Filed May 9, 1996 PCT Pub. No. WO96/37523 PCT Pub. Date Nov. 28, 1996Polymers are obtainable by polymerizing olefinically unsaturated monomers in the presence of a catalyst system which comprises as active constituents a) a salt of a metal of group VIII B of the Periodic Table of the Elements, b) one or more compounds selected from the group consisting of protic acids and Lewis acids, c) a chelating compound of the formula (I)R1R2E1-Z-E2R3R4(I)where the substituents and indices have the following meanings: E1, E2 are each an element from group VA of the Periodic Table of the Elements, Z is a bridging structural unit comprising one, two or three substructural units of elements of groups IVA, VA and VIA of the Periodic Table of the Elements, R1 to R4 are substituents selected from the group consisting of C1-C20-organic and C3-C30-organosilicon radicals, where the radicals may contain one or more elements of groups IVA, VA, VIA and VIIA of the Periodic Table of the Elements.

    6.
    发明专利
    未知

    公开(公告)号:DE59603350D1

    公开(公告)日:1999-11-18

    申请号:DE59603350

    申请日:1996-02-13

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP96/00598 Sec. 371 Date Jul. 30, 1997 Sec. 102(e) Date Jul. 30, 1997 PCT Filed Feb. 13, 1996 PCT Pub. No. WO96/26178 PCT Pub. Date Aug. 29, 1996In a process for the continuous preparation of methyl formate by reaction of carbon monoxide and methanol under elevated pressure and elevated temperature in the presence of an alkali metal methoxide, the reaction is carried out at a pressure of from 210 to 250 bar in the presence of from 0.05 to 0.2% by weight of alkali metal methoxide, based on methanol used.

    9.
    发明专利
    未知

    公开(公告)号:DE59505524D1

    公开(公告)日:1999-05-06

    申请号:DE59505524

    申请日:1995-07-03

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP95/02560 Sec. 371 Date Jan. 13, 1997 Sec. 102(e) Date Jan. 13, 1997 PCT Filed Jul. 3, 1995 PCT Pub. No. WO96/02487 PCT Pub. Date Feb. 1, 1996The process for carbonylating olefins with carbon monoxide in the presence of water, an alcohol or a carboxylic acid and a halogen-free catalyst comprises using a catalyst comprising nickel or a nickel compound and at least one of the metals of the group consisting of chromium, molybdenum, tungsten, rhenium, ruthenium, osmium, rhodium, iridium, palladium, platinum, silver and gold, or a compound of these metals.

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