Basf Aktiengesellschaft

Gert Buerger

Hermann Wistuba

Thomas Fetzer

Guenter Herrmann

Wolfgang Buechele

Peter Reuter

Friedrich Wirth

Kurt Blechschmitt

Bernhard Otto

Georg Pilz

Manfred Barl

Gerhard Thiel

Matthias Schwarzmann

Matthias Irgang

Stefan Karbach

Heinrich Aichinger

Karl-Heinz Boehning

Klaus Herzog

Gerhard Frank

Ruediger Schmitz

Rolf Seubert

Jost H Manegold

Paul Hornberger

Paul Pijl

Claus Witte

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

Catalytic decomposition of dinitrogen monoxide

Process for the catalytic decomposition of dinitrogen monoxide in a gas

A catalyst for decomposing dinitrogen monoxide which is pure or present in gas mixtures comprises metallic silver applied to an alumina carrier with a BET surface area of from 5 to 25 m.sup.2 /g.

Catalytic decomposition of dinitrogen monoxide which is pure or present

A process for working up mother liquors resulting from the preparation of adipic acid by oxidation of cyclohexanol or cyclohexanone or mixtures thereof with nitric acid entails removal of nitric acid by azeotropic distillation with water, heating the resulting melt at from 130.degree. to 180.degree. C. and then dissolving it in water, treating the aqueous solution with cation exchangers, subsequently again evaporating off the water and heating the resulting dicarboxylic acid melt at from 200.degree. to 240.degree. C. and then obtaining a mixture of dicarboxylic acids by distillation.

Workup of mother liquors resulting from the preparation of adipic acid

A process for the preparation of salts of dicarboxylic acids and diamines of the formula

Process for the preparation of salts of a dicarboxylic acid and a diamine

Salts of oxaalkylenediamines of the formula I

Salt of oxaalkylenediamine with dicarboxylic acid, containing hydrazine,

A supported catalyst containing vanadium and titanium, comprising a ring-shaped carrier having an external diameter of from 7.3 to 8.6 mm, a length of from 5.3 to 7 mm and a wall thickness of from 0.1 to 2 mm, and an active composition, applied thereto, of from 1 to 30 per cent by weight of vanadium pentoxide and from 70 to 99 per cent by weight of titanium dioxide and/or zirconium dioxide.

Supported catalyst containing vanadium and titanium

Supported catalyst for the oxidation of o-xylene or naphthalene to phthalic anhydride, comprising an inert carrier and the active material applied thereto, which contains from 1 to 40 per cent by weight of vanadium pentoxide, from 60 to 98.84 per cent by weight of titanium dioxide and from 0.16 to 0.6 per cent by weight, based on titanium dioxide, of rubidium in the form of rubidium oxide, the vanadium pentoxide content being from 0.05 to 4 per cent by weight, based on the (complete) catalyst.

Supported catalyst for the oxidation of o-xylene and/or naphthalene to

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Mannheim, Germany

Gert Buerger