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    81.
    发明专利
    未知

    公开(公告)号：DE102005051513A1

    公开(公告)日：2007-05-03

    申请号：DE102005051513

    申请日：2005-10-26

    Applicant: BASF AG

    Inventor： BRAUN FRANK ,  ALTEHELD ARMIN ,  HAHN KLAUS ,  STERZEL HANS-JOSEF ,  HIBST HARTMUT ,  MOECK CHRISTOF

    IPC: C08J9/06 ,  C04B28/24

    Abstract: Disclosed are a silicate-based foamed material which has a density of less than 25 kg/m 3 , an SiO 2 :Al 2 O 3 molar ratio of more than 20:1, and an SiO 2 :Me 2 O molar ratio of more than 50:1, wherein Me represents an alkali metal, the use thereof for heat insulation or sound-proofing purposes, and methods for the production thereof by mixing a dispersion of SiO 2 particles that have an average diameter ranging from 1 to 100 nm with a surfactant and a foaming agent at temperatures below 50 °C and expanding said mixture by heating the same to a temperature ranging from 60 to 100 °C or by relieving the pressure.

    83.
    发明专利
    未知

    公开(公告)号：DE102004028930A1

    公开(公告)日：2006-01-05

    申请号：DE102004028930

    申请日：2004-06-15

    Applicant: BASF AG

    Inventor： NETO SAMUEL ,  HIBST HARTMUT ,  ROSOWSKI FRANK ,  STORCK SEBASTIAN ,  ZUEHLKE JUERGEN

    IPC: B01J23/00 ,  B01J23/68 ,  B01J27/198 ,  C01G1/02 ,  C01G5/00 ,  C01G31/00 ,  C01G31/02

    Abstract: Multimetal oxides corresponding to the general formula (I), processes for their preparation, precatalysts containing such oxides and catalysts made therefrom for gas phase partial oxidation of hydrocarbons: Ag a-c Q b M c V 12 O d .eH 2 O (I) wherein a represents a number having a value of 5 to 9; Q represents an element selected from the group consisting of P, As, Sb, Bi and mixtures thereof; b represents a number having a value of 0.2 to 3; M represents a metal selected from the group consisting of Li, Na, K, Rb, Cs, Tl, Mg, Ca, Sr, Ba, Cu, Zn, Cd, Pb, Cr, Au, Al, Fe, Co, Ni, Ce, Mn, Nb, W, Ta, Mo and mixtures thereof; c represents a number having a value of less than 1; d represents a number having a value of which is determined by the valency and frequency of Ag, Q, M and V in the formula (I); and e represents a number having a value of 0 to 20; wherein the multimetal oxide has a crystal structure wherein its powder X-ray diffractogram includes reflections at at least 5 interplanar spacings selected from the group of 7.13 Å, 5.52 Å, 5.14 Å, 3.57 Å, 3.25 Å, 2.83 Å, 2.79 Å, 2.73 Å, 2.23 Å and 1.71 Å, each interplanar spacing value±0.04 Å.

    PROCEDIMIENTO PARA PRODUCIR ANHIDRIDO DEL ACIDO MALEICO.
    84.
    发明专利
    PROCEDIMIENTO PARA PRODUCIR ANHIDRIDO DEL ACIDO MALEICO. 未知

    公开(公告)号：ES2238589T3

    公开(公告)日：2005-09-01

    申请号：ES02754895

    申请日：2002-07-17

    Applicant: BASF AG

    Inventor： HIBST HARTMUT ,  NOE RALF ,  EXNER KAI MICHAEL ,  DUDA MARK

    IPC: C07B61/00 ,  C07D307/60

    Abstract: Procedimiento para la producción de anhídrido del ácido maleico mediante la oxidación en fase gaseosa, catalítica heterogénea, de una corriente de hidrocarburos que contiene n-buteno con gases que contienen oxígeno en un reactor tubular con dos zonas de reacción consecutivas, de modo que la primera zona de reacción, del lado de los eductos, contiene al menos un catalizador, que es adecuado para la oxideshidrogenación de los n-butenos para dar 1, 3-butadieno y la segunda zona de reacción, del lado de los productos, contiene al menos un catalizador que es adecuado para la oxidación de 1, 3- butadieno para dar anhídrido del ácido maleico, caracterizado porque se utiliza un reactor tubular, que presenta al menos un circuito de fluido térmico en la región de la primera zona de reacción, del lado de los eductos, y al menos otro circuito de fluido térmico en la región de la segunda zona de reacción, del lado de los productos.

    Catalyst for gas-phase dehydrogenation of hydrocarbons comprises palladium, bismuth and optionally rhodium
    85.
    发明专利
    Catalyst for gas-phase dehydrogenation of hydrocarbons comprises palladium, bismuth and optionally rhodium 未知

    公开(公告)号：DE102004004801A1

    公开(公告)日：2005-08-18

    申请号：DE102004004801

    申请日：2004-01-30

    Applicant: BASF AG

    Inventor： HIBST HARTMUT ,  STORCK SEBASTIAN ,  KLEIN JENS

    IPC: B01J23/644 ,  B01J23/652 ,  B01J23/89 ,  B01J37/03 ,  B01J37/02

    Abstract: A catalyst comprises either palladium and bismuth and optionally rhodium, gold, antimony, vanadium, chromium, tungsten, manganese, iron, cobalt, nickel, sodium, cesium and/or barium, or palladium, rhodium and bismuth and optionally gold, antimony, vanadium, chromium, tungsten, manganese, iron, cobalt, nickel, platinum, copper, silver, sodium, cesium, magnesium, calcium and/or barium. Independent claims are also included for the following: (1) the production of the catalyst by precipitating an active components from a solution of their salts or depositing the solution onto a support and then drying and calcining the product; (2) dehydrogenating hydrocarbons by contacting them with a catalyst as above.

    88.
    发明专利
    未知

    公开(公告)号：NO20045324L

    公开(公告)日：2005-02-11

    申请号：NO20045324

    申请日：2004-12-03

    Applicant: BASF AG

    Inventor： HARTH KLAUS ,  HIBST HARTMUT ,  SCHINDLER GOTZ-PETER ,  WALSDORFF CHRISTIAN

    IPC: B01J23/62 ,  C07B61/00 ,  C07C5/333 ,  C07C11/167

    Abstract: The invention relates to a process for preparing butadiene from n-butane comprising the steps (A) providing an n-butane-containing feed gas stream, (B) feeding the n-butane-containing feed gas stream into a first dehydrogenation zone and nonoxidatively catalytically dehydrogenating n-butane to 1-butene, 2-butene and optionally butadiene to obtain a first product gas stream comprising n-butane, 1-butene and 2-butene, with or without butadiene and secondary components, (C) feeding the first product gas stream comprising n-butane, 1-butene and 2-butene, with or without butadiene and secondary components, into a second dehydrogenation zone and oxidatively dehydrogenating 1-butene and 2-butene to butadiene to give a second product gas stream comprising butadiene, n-butane and steam, with or without secondary components, (D) recovering butadiene from the second product gas stream.

    89.
    发明专利
    未知

    公开(公告)号：BR0307305A

    公开(公告)日：2005-01-04

    申请号：BR0307305

    申请日：2003-02-17

    Applicant: BASF AG

    Inventor： WALSDORFF CHRISTIAN ,  SCHINDLER GUETZ-PETER ,  HARTH KLAUS ,  HIBST HARTMUT

    IPC: C07C2/46 ,  C07B61/00 ,  C07C2/52 ,  C07C5/367 ,  C07C13/20 ,  C07C15/073 ,  C07C15/46

    Abstract: The invention relates to a process for preparing 4-vinylcyclohexene, which comprises the steps (A) providing an n-butane-containing feed gas stream, (B) feeding the n-butane-containing feed gas stream into at least one dehydrogenation zone and dehydrogenating n-butane to butadiene to give a product stream comprising butadiene, n-butane, possibly 1-butene and 2-butene and possibly water vapor and other secondary constituents, (C) feeding the product stream from dehydrogenation, if appropriate after separating off water vapor and secondary constituents, into a dimerization zone and catalytically dimerizing butadiene to give a product stream comprising 4-vinylcyclohexene, n-butane and possibly 1-butene, 2-butene and unreacted butadiene, and (D) separating off 4-vinylcyclohexene from the product stream from the dimerization and recirculating n-butane and possibly 1-butene, 2-butene and unreacted butadiene to the dehydrogenation zone.

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