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    51.
    发明专利
    未知

    公开(公告)号：DE59802631D1

    公开(公告)日：2002-02-21

    申请号：DE59802631

    申请日：1998-02-20

    Applicant: BASF AG

    Inventor： BECKER RAINER ,  ELLER KARSTEN ,  LANGENSIEPEN HANS-WERNER ,  HESSE MICHAEL

    IPC: C07C211/51 ,  A61K9/12 ,  B01J21/16 ,  C07B61/00 ,  C07C209/54 ,  C07C209/68 ,  C07C209/78 ,  C07C211/50 ,  C07C211/54

    Abstract: Production of aromatic polyamine mixtures contg. cpds. of formula: H2NACH2BNH2(I) (where, A and B = 1,4-phenylene residues which can have 1-4 substits. chosen from 1-20C alkyls and halogens) comprises converting a cpd. of formula: HANHCH2NHBH (IV) and/or a cpd. of formula HANHCH2BNH2 (V) (where, A and B = as above) at a temp. of 20-200[deg]C in the presence of a heterogeneous inorganic catalyst chosen from: (a) oxides of 3-10 group element which can be acid-activated; (b) a clay doped with an oxide of a 2-13 group element or lanthanide which an be acid-activated; and (c) opt. acid-activated layered silicates acidity of below pK3 = 0.5 of more than 0.05 mmol/g catalyst. -

    52.
    发明专利
    未知

    公开(公告)号：DE59704534D1

    公开(公告)日：2001-10-18

    申请号：DE59704534

    申请日：1997-03-06

    Applicant: BASF AG

    Inventor： BROECKER JOSEF ,  HESSE MICHAEL ,  MAERKL ROBERT

    IPC: B01J23/02 ,  B01J23/06 ,  B01J27/232 ,  B01J35/10 ,  B01J37/03 ,  C07B61/00 ,  C07C45/00 ,  C07C45/29 ,  C07C49/403

    Abstract: PCT No. PCT/EP97/01124 Sec. 371 Date Sep. 3, 1998 Sec. 102(e) Date Sep. 3, 1998 PCT Filed Mar. 6, 1997 PCT Pub. No. WO97/33853 PCT Pub. Date Sep. 18, 1997In the dehydrogenation of secondary alcohols in the presence of a catalyst comprising zinc oxide and calcium carbonate at elevated temperature in the gas phase, secondary cyclic alcohols are used and the dehydrogenation is carried out in the presence of hydrogen and a catalyst whose active components comprise from 30 to 60% by weight of zinc oxide and from 40 to 70% by weight of calcium carbonate in the calcite modification.

    53.
    发明专利
    未知

    公开(公告)号：DE19918568A1

    公开(公告)日：2000-10-26

    申请号：DE19918568

    申请日：1999-04-23

    Applicant: BASF AG

    Inventor： WULFF-DOERING JOACHIM ,  SIMON JOACHIM ,  HESSE MICHAEL ,  WAHL PETER

    IPC: B01J23/42 ,  B01J23/44 ,  B01J23/63 ,  C07B61/00 ,  C07D207/32 ,  C07D207/323 ,  B01J23/40

    Abstract: The preparation of pyrrole derivatives (I) comprises catalytic dehydrogenation of pyrrolidines (II) at 150-300 degrees C and 0.01-50 bar on a catalyst comprising: (1) a composite (30-100 wt.%) comprising either (i) palladium on a rare earth or Group IVB metal oxide or (ii) platinum and palladium on alumina or a rare earth or Group IVB metal oxide; and (2) alkali(ne earth) metal oxide (0-70 wt.%). The preparation of pyrrole derivatives of formula (I) comprises catalytic dehydrogenation of pyrrolidines of formula (II) a 150-300 degrees C and 0.01-50 bar on a catalyst comprising: (1) a composite (30-100 wt.%) comprising either (i) palladium on a rare earth or Group IVB metal oxide or (ii) platinum and palladium on alumina or a rare earth or Group IVB metal oxide; and (2) alkali(ne earth) metal oxide (0-70 wt.%). R -R = H, 1-12C alkyl or 3-12C cycloalkyl.

    56.
    发明专利
    未知

    公开(公告)号：AT192766T

    公开(公告)日：2000-05-15

    申请号：AT97943883

    申请日：1997-09-23

    Applicant: BASF AG

    Inventor： SIGWART CHRISTOPH ,  ELLER KARSTEN ,  BECKER RAINER ,  PLITZKO KLAUS-DIETER ,  FISCHER ROLF ,  STEIN FRANK ,  MUELLER ULRICH ,  HESSE MICHAEL

    IPC: C08G65/10 ,  B01J23/24 ,  C08G18/48 ,  C08G65/20 ,  C08G65/28

    Abstract: PCT No. PCT/EP97/05204 Sec. 371 Date Apr. 1, 1999 Sec. 102(e) Date Apr. 1, 1999 PCT Filed Sep. 23, 1997 PCT Pub. No. WO98/15589 PCT Pub. Date Apr. 16, 1998Polytetrahydrofuran, copolymers of tetrahydrofuran and 2-butyne-1,4-diol, diesters of these polymers with C2-C20-monocarboxylic acids or monoesters of these polymers with C1-C10-monocarboxylic acids are prepared by polymerization of tetrahydrofuran in the presence of one of the telogens water, 1,4-butanediol, 2-butyne-1,4-diol, polytetrahydrofuran having a molecular weight of from 200 to 700 Dalton, a C1-C10-monocarboxylic acid or an anhydride of a C2-C20-monocarboxylic acid or a mixture of these telogens over a heterogeneous supported catalyst which comprises a catalytically active amount of an oxygen-containing molybdenum and/or tungsten compound on an oxidic support material and which has been calcined at from 5OO DEG C. to 1OOO DEG C. after application of the precursor compounds of the oxygen-containing molybdenum and/or tungsten compounds onto the support material precursor, wherein the catalyst is activated by treatment with a reducing agent before it is used as a polymerization catalyst.

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