Basf Aktiengesellschaft

Basfaktiengesellschaft

Matthias Irgang

Michael Horner

Juergen Schossig

Michael Hesse

Wolfgang Hoelderich

Werner Schnurr

Axel Nissen

Joachim Wulff-Doring

Peter Polanek

Charles Schommer

Rolf Hartmuth Fischer

Rainer Becker

Thomas Kuekenhoehner

Toni Dockner

Hardo Siegel

Tom Witzel

Wolf D Mross

Laszlo Marosi

Siegfried Winderl

Wolfgang Schroeder

Herbert Toussaint

Wolfgang Reiss

Ulrich Koehler

Manfred Sauerwald

Karl Siegfried Brenner

Michael Huellmann

Knut Eger

Gerhard Koppenhoefer

Walter Himmel

Heinz Graefje

Roland Spahl

Franz Merger

Klaus Ebel

Boris Breitscheidel

Martin Fischer

Guido Voit

Michael Kroener

Harald Rust

Thomas Fetzer

Harald Schwahn

Detlef Kratz

Peter Stops

Frank-Friedrich Pape

Horst Neuhauser

Volkmar Menger

Hermann Petersen

Martin Schmidt-Radde

Michael Jolyon Sprague

Franz-Josef Mueller

Ruprecht Meissner

Gerd Linden

Herbert Krug

Peter Weidlich

Gert Buerger

Fritz Graf

Arnold Wittwer

Joachim Stabenow

Ernest Miesen

Hermann Wistuba

Ludwig Wambach

Wolfgang Buechele

Eckehard Danz

Bernhard Otto

Peter R Laurer

Guenter Zirker

Cristina Freire Erdbrugger

Peter Jaeger

Heinrich Pasedach

Ulrich Kohler

Werner Biffar

Herbert Wanjek

Klaus Joerg

Eberhard Ambach

Gerhard Borchert

Heinz Dreyer

Cristina Freire Erdbr&uuml;gger

Claus Witte

Martin Bruderm&uuml;ller

Gerhard Koppenhoffer

Rudi Schnur

George Roley

Catalysts or carriers which consist essentially of monoclinic zirconium dioxide are prepared by pecipitation of zirconium salts with ammonia, by adding a zirconyl nitrate or zirconyl chloride solution to an aqueous ammonia solution at a decreasing pH from 14 to 6 and drying, calcining and pelletizing the product.

Catalysts or carriers which consist essentially of monoclinic zirconium dioxide

Alcohols are prepared by the catalytic hydrogenation of the corresponding carbonyl compounds at elevated temperatures and at superatmospheric pressure in the liquid phase by a process in which the catalyst used contains copper on an SiO,-containing carrier in the presence or absence of one or more of the elements magnesium, barium, zinc and chromium.

Preparation of alcohols

Catalysts prepared by combining M--Al.sub.2 O.sub.4 where M is an element of Group Ib, VIIb or VIII of the Periodic Table of the Elements with tin, lead, an element of group IIa or IIb of the Periodic Table of the Elements as oxide or salt or in elemental form and calcining at 300-1300.degree. C. under 0.1-200 bar and the process for preparing them.

Catalyst with fine-particle dispersion of the active component

Process for the preparation of heterocyclic aldehydes

Preparation of aromatic aldehydes

Moldings which comprise from 30 to 100% by weight of graphite, prepared from graphite powders which comprise from 5 to 100% by weight of rhombohedral crystalline graphite and, if required, contain additives and/or binders, and a process for their preparation and their use as catalyst carriers, heat transfer material, column packing or diluent in catalyst beds.

Graphite moldings

Nickel-containing hydrogenation catalysts

Process and catalyst for the selective hydrogenation of butynediol to

A process for the preparation of a phenyl amine which may be substituted by alkyl or cycloalkyl in which the corresponding cyolohexylamine is reduced at temperatures of 150.degree. to 300.degree. C. and pressures of 0.01 to 50 bar in the presence of a heterogeneous dehydrogenation catalyst consisting essentially of palladium or a palladium/platinum mixture supported on carrier consisting of the oxides of rare earth metals and and metals of Group IVb of the Periodic Table of Elements, with the proviso that the palladium/platinum mixture may also be supported on an alumina carrier. The cyclohexylamine reactant can be advantageously prepared by reacting the corresponding phenol with ammonia and hydrogen at 100.degree. to 250.degree. C. in the presence of the same heterogeneous catalyst as a preliminary step to provide a two stage process using the same catalyst in both stages.

Preparation of cyclic amines

Cobalt catalysts whose catalytically active material comprises from 55 to 98 wt % of cobalt, from 0.2 to 15 wt % of phosphorus, from 0.2 to 15 wt % of manganese, and from 0.2 to 15 wt % of alkali metal, calculated as oxide, in which the catalyst material is calcined in a first step at final temperatures of from 550.degree. to 750.degree. C. and in a second step at final temperatures of from 800.degree. to 1000.degree. C., and a process for the hydrogenation of organic nitriles and/or imines, in which the novel cobalt catalyst is used.

Cobalt catalysts and a process required for their preparation

A process for the preparation of a 1,4-alkylenediamine of the general formula I ##STR1## in which the substituents R.sup.1 and R.sup.2 are independently hydrogen, C.sub.1 -C.sub.10 -alkyl, phenyl or benzyl, by reacting a succinic dinitrile of the general formula II ##STR2## in which R.sup.1 and R.sup.2 have the meanings stated, with hydrogen at a temperature of from 30.degree. to 250.degree. C. and a pressure of from 50 to 350 bar in contact with a hydrogenation catalyst, wherein the hydrogenation catalyst used contains cobalt oxide and one or more oxides of the elements iron, nickel, manganese, chromium, molybdenum, tungsten, and phosphorus and one or more oxides of elements in the alkali metal group, alkaline earth metal group, and rare earth group of the Periodic Table, and of scandium, and/or of yttrium.

Preparation of 1,4-alkylenediamines

Methyl formate is prepared by converting methanol over a copper-containing catalyst at elevated temperatures and in the gas phase by a process in which the catalyst used contains from 30 to 80% by weight of copper, calculated as CuO, as well as from 20 to 70% by weight of a magnesium silicate, calculated as MgO plus SiO.sub.2, which has a molar ratio of MgO/SiO.sub.2 of from 0.3 to 1.5, and may additionally be doped with the metals zinc, chromium and/or barium, each in an amount of not more than 1.5% by weight, calculated as ZnO, Cr.sub.2 O.sub.3 and BaO.

Preparation of methyl formate

Catalysts whose active material contains, in addition to from 20 to 85% by weight, calculated as ZrO.sub.2, of oxygen-containing zirconium compounds, from 1 to 30% by weight, calculated as CuO, of oxygen-containing compounds of copper and from 1 to 40% by weight each, calculated as CoO or NiO, respectively, of oxygen-containing compounds of cobalt and of nickel are used for the amination of alcohols under hydrogenating conditions.

Catalyst and the amination of alcohols under hydrogenating conditions

A process for the preparation of amines of the formula ##STR1## in which R.sup.1 is the radical H.sub.2 N-CH.sub.2 and R.sup.2 is hydrogen, or R.sup.1 and R.sup.2 together form a bridging group --CH.sub.2 --, by reacting 1,3,6-tricyanohexane at elevated temperature and pressure with hydrogen in contact with a catalyst containing, in addition to cobalt oxide, and oxide of an alkali metal, an oxide of an alkaline earth metal, an oxide of a rare earth or an oxide of scandium or yttrium.

Process for the preparation of amines

Copper-containing catalysts for low temperature shift conversion at from 150.degree. to 300.degree. C. and under from 10 to 40 bar, which additionally contain aluminum and zinc, if necessary in the form of the compounds or oxides and are prepared by coprecipitation, the copper-containing catalysts containing potassium and having a BET surface area adapted to the potassium content, and the potassium content being brought to 0.1-3.0% by weight at a BET surface of from 30 to 160 m.sup.2 /g, are used for the preparation of hydrogen and carbon dioxide from carbon monoxide and water.

Copper-containing catalyst for low temperature shift conversion

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Heidelberg, Germany

Matthias Irgang