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    14.
    发明专利
    未知

    公开(公告)号：DK0584629T3

    公开(公告)日：1996-11-18

    申请号：DK93112776

    申请日：1993-08-10

    Applicant: BASF AG

    Inventor： BENDER DIETMAR DR ,  BRONSTER KLAUS DR ,  MACH HELMUT DR ,  FISCHER MARTIN DR

    IPC: C08F8/12 ,  C08C19/02 ,  C08C19/26 ,  C08C19/40 ,  C08C19/42 ,  C08F8/00 ,  C08F8/30 ,  C08F8/42 ,  C08F236/10 ,  C08C19/44

    Abstract: Polymers Ia and Ib carrying functional groups, obtainable by A) 1. hydrogenation of the olefinic double bonds of a polymer IIa comprising a) from 20 to 100% by weight of a conjugated diene, b) from 0 to 80% by weight of a vinylaromatic compound and c) from 0 to 20% by weight of further comonomers, to give the hydrogenated polymers IIb, 2. metallation of IIb using an organoalkali metal compound to give IIc, 3. reaction of IIc with a diaziridine III to give IId and 4. hydrolysis or alcoholysis of IId to give Ia, or by B) 1. partial hydrogenation of IIa to give partially hydrogenated polymers IIb', 2. epoxidation of the double bonds of IIb' to give IIe and 3. reaction of IIe with a compound IV carrying functional groups to give Ib. These polymers Ia and Ib are suitable as viscosity index improvers for engine oils.

    15.
    发明专利
    未知

    公开(公告)号：DE4424219A1

    公开(公告)日：1996-01-11

    申请号：DE4424219

    申请日：1994-07-09

    Applicant: BASF AG

    Inventor： FISCHER MARTIN DR

    IPC: B01J31/02 ,  C07D307/28 ,  C07D303/04 ,  C07B37/08 ,  C07B37/10

    Abstract: Preparation of 2,5-dihydrofuran of formula (I) by the catalytic rearrangement of 3,4-epoxy-1-butenes of formula (II) in the presence of a Lewis acid or elemental iodine and in the presence or absence of solvents at 60-200 degrees C. The rearrangement is in the presence of a phosphazine halide and/or a phosphazine halide. R1, R2, R3, R4, R5, R6 = H or 1-4C alkyl.

    17.
    发明专利
    未知

    公开(公告)号：DE59104571D1

    公开(公告)日：1995-03-23

    申请号：DE59104571

    申请日：1991-04-26

    Applicant: BASF AG

    Inventor： NORTHEMANN ANDREAS DR ,  FISCHER MARTIN DR ,  WAMBACH LUDWIG DR

    IPC: B01J21/04 ,  B01J21/08 ,  B01J27/182 ,  C07B61/00 ,  C07F9/38 ,  C07F9/40

    Abstract: Process for the preparation of vinylphosphonic acid derivatives of the general formula I in which R and R can be identical or different and represent hydrogen or a C1-C8-alkyl or C6-C10-aryl or -aralkyl radical which may be substituted by Cl or Br, it being possible for R and R also to be linked to give an alicyclic ring having 3 to 12 ring C atoms, according to which an ethanephosphonic ester of the general formula II in which R and R have the same meaning as R and R but are not a hydrogen atom, X represents a hydroxyl group, a halogen or a radical -OR , in which R is a hydrogen atom or a radical and R is a C1-C6-alkyl radical or an alicyclic ring, is reacted in the gas phase in the presence of solid catalysts.

    18.
    发明专利
    未知

    公开(公告)号：DE4241942A1

    公开(公告)日：1994-06-16

    申请号：DE4241942

    申请日：1992-12-11

    Applicant: BASF AG

    Inventor： BOECK STEFAN DR ,  HERZOG KLAUS DR ,  FISCHER ROLF DR ,  VOGEL HERBERT DR ,  FISCHER MARTIN DR

    IPC: C07D301/10 ,  B01J23/50 ,  B01J23/96 ,  B01J38/12 ,  B01J38/16 ,  C07D303/04

    Abstract: PCT No. PCT/EP93/03352 Sec. 371 Date Mar. 17, 1995 Sec. 102(e) Date Mar. 17, 1995 PCT Filed Nov. 30, 1993 PCT Pub. No. WO94/13653 PCT Pub. Date Jun. 23, 19943,4-Epoxy-1-butene is prepared by the gas phase epoxidation of 1,3-butadiene by means of oxygen or oxygen-containing gases over silver-containing catalysts and isolation of the 3,4-epoxy-1-butene from the reaction exit mixture by performing the gas phase epoxidation in the presence of from 6 to 80 mol % of water vapor, based on the gas mixture supplied to the reactor.

    20.
    发明专利
    未知

    公开(公告)号：DE4014483A1

    公开(公告)日：1991-11-14

    申请号：DE4014483

    申请日：1990-05-07

    Applicant: BASF AG

    Inventor： NORTHEMANN ANDREAS DR ,  FISCHER MARTIN DR ,  WAMBACH LUDWIG DR

    IPC: B01J21/04 ,  B01J21/08 ,  B01J27/182 ,  C07B61/00 ,  C07F9/38 ,  C07F9/40

    Abstract: Process for the preparation of vinylphosphonic acid derivatives of the general formula I in which R and R can be identical or different and represent hydrogen or a C1-C8-alkyl or C6-C10-aryl or -aralkyl radical which may be substituted by Cl or Br, it being possible for R and R also to be linked to give an alicyclic ring having 3 to 12 ring C atoms, according to which an ethanephosphonic ester of the general formula II in which R and R have the same meaning as R and R but are not a hydrogen atom, X represents a hydroxyl group, a halogen or a radical -OR , in which R is a hydrogen atom or a radical and R is a C1-C6-alkyl radical or an alicyclic ring, is reacted in the gas phase in the presence of solid catalysts.

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