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Basf Aktiengesekkschaft

Jochem Henkelmann

Thomas Ruhl

Armin Stamm

Marc Heider

Boris Breitscheidel

Thomas Preiss

Arnd B&ouml;ttcher

Thomas Wettling

Alois Kindler

Harald Rust

Gerhard Theis

Theodor Weber

Oliver Bey

Andreas Henne

Stephan Maurer

Jochen Steiner

Manfred Eggersdorfer

Gerd Kaibel

Eckhard Stroefer

Hardo Siegel

Norbert G&ouml;tz

Roland G&ouml;tz

Heinz-Josef Kneuper

Sabine Weiguny

Ekkehard Schwab

Konrad Knoll

Bernd Wolf

Heinz-Peter Rink

Gerhard Heinz

Leopold Hupfer

Heiko Urtel

Irene Troetsch-Schaller

Werner-Alfons Jung

Juergen Koch

Ralf-Thomas Rahn

Wolfgang Franzischka

Michael Rack

Michael Keil

Rolf Pinkos

Norbert Niessner

Hermann Gausepohl

Otto Machhammer

Volker Maywald

Ludwig Schuster

Klaus Halbritter

Manfred Stroezel

Thomas Schäfer

Udo Rheude

Heiko Maas

Boris Aleksandrovich Trofimov

Wolfgang Reif

Stefan Maixner

Wolfgang Schwarz

Rudolf Erich Lorenz

Joachim Wulff-Doring

Paul Naegele

Rolf Hartmuth Fischer

Joaquim Henrique Teles

Franz Merger

Norbert Goetz

Wolfgang Siegel

Rainer Blum

Peter Bassler

Wolfgang Harder

Thomas Kuekenhoehner

Norbert Rieber

Karl-Heinz Schumacher

Martin Fischer

Paul J Harris

Stephan Andreas Schunk

Wolfgang Rohde

Achim Stammer

Karsten Eller

Georg Heinrich Grosch

Swaminathan Ramesh

Peter Ittemann

Peter Schwab

Klemens Flick

Wilhelm Ruppel

Andreas Ansmann

Michael Schulz

Walter Dobler

Norbert Götz

Ulrike Wegerle

Till Gerlach

Helmut Hoch

Holger Friedrich

Gerhard Schulz

Arthur Hohn

Ulrich M&uuml;ller

Wolfgang Spiegler

Herbert Helfert

Peter Keller

Stefan Bitterlich

Stephan Deuerlein

Claudius Kormann

Hans-Juergen Weyer

Franz Josef Brocker

Jakob Fischer

Martin Sesing

The present invention relates to a process for preparing deodorized 1,2-propanediol, to the use of the purified propanediol and to an apparatus for performing the process.

Process for preparing deodorized 1,2-propanediol

The present invention relates to a process for preparing fatty alcohols, in which a stream comprising at least one fatty acid triglyceride is provided and this stream is subjected to a hydrogenation in the presence of a heterogeneous copper catalyst.

Process for producing fatty alcohols by hydrogenation of fatty acid triglycerides on a copper-containing heterogeneous catalyst

The present invention relates to a process for preparing polyisocyanates from natural raw material sources, in which a composition comprising low molecular weight aromatics which comprise at least one hydroxy group or at least one alkoxy group per molecule (oxyaromatics) is produced from a biomass material, these oxyaromatics are converted into the corresponding aromatic amines and, optionally after condensation with formaldehyde, reacted further with phosgene to give compounds comprising isocyanate groups.

Process for preparing polyisocyanates from biomass

The present invention relates to a method of regenerating a ruthenium catalyst suitable for hydrogenation, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the original activity has been attained. The method is particularly useful for ruthenium catalysts which are used for the hydrogenation of aromatics.

Method of regenerating ruthenium catalysts suitable for hydrogenation

The present patent application describes a method of regenerating a ruthenium catalyst for the hydrogenation of benzene, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the original activity has been attained.

Method of regenerating ruthenium catalysts for the hydrogenation of benzene

The present invention relates to an integrated method for producing cellulose and at least one low-molecular-weight reusable material, in which a starting material containing lignocellulose is provided and subjected to a decomposition with a processing medium. A fraction enriched with cellulose and a fraction depleted of cellulose is then isolated from the decomposition material, the depleted fraction of cellulose being subjected to a treatment during which at least one low-molecular-weight reusable material is obtained.

Method for the integrated production of cellulose and low-molecular-weight reusable materials

Method for producing deodorized 1,2-propanediol

Process for preparing isocyanates by phosgenation of amines, wherein phosgene and amine are brought into contact in at least 2 mixing chambers connected in parallel.

Process for preparing isocyanates

The present invention relates to a continuous process for preparing para-alkyl-substituted cyclohexylmethanols, especially 4-isopropylcyclohexylmethanol, by catalytically hydrogenating the corresponding aldehydes or ketones in the presence of hydrogen and in the presence of a catalyst which comprises, as an active metal, ruthenium applied to a support, the support comprising AlOand/or SiO, and the catalyst being used in the form of a fixed bed catalyst in a hydrogenation reactor or in a plurality of hydrogenation reactors connected in series.

Continuous method for producing substituted cyclohexylmethanols

The present invention relates to a method of regenerating a ruthenium catalyst for the hydrogenation of phthalates, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the original activity has been attained.

Method of regenerating ruthenium catalysts for the ring hydrogenation of phthalates

The present invention relates to a process for preparing 1,2-propanediol, in which a glycerol-containing stream, especially a stream obtained on the industrial scale in the production of biodiesel, is subjected to a hydrogenation in an at least three-stage reactor cascade.

Method for producing 1,2-propandiol by hydrogenation in at least three successive reactors

The present invention relates to a process for preparing 1,2-propanediol, in which a glycerol-containing stream, especially a stream obtained on the industrial scale in the production of biodiesel, is subjected to a low pressure hydrogenation.

Method for producing 1,2-propandiol by low-pressure hydrogenation of glycerine

The present invention relates to a process for preparing 1,2-propanediol, in which a glycerol-containing stream, especially a stream obtained on the industrial scale in the production of biodiesel, is subjected to a hydrogenation in a two-stage reactor cascade.

Method for producing 1,2-propandiol by hydrogenating glycerine in a two-step reactor cascade

The invention relates to a shell catalyst containing ruthenium as an active metal, alone or together with at least one other metal of the auxiliary group IB, VIIB or VIII of the periodical system of the elements (CAS version), and applied to a carrier containing silicon dioxide as a carrier material. The invention also relates to a method for producing said shell catalyst, and to a method for hydrogenating an organic compound containing hydrogenable groups, preferably for hydrogenating a carbocyclic aromatic group to form the corresponding carbocyclic aliphatic groups or for hydrogenating aldehydes to form the corresponding alcohols, using the inventive shell catalyst. The invention further relates to the use of the inventive shell catalyst for hydrogenating an organic compound containing hydrogenable groups, preferably for hydrogenating a carbocyclic aromatic group to form the corresponding carbocyclic aliphatic groups or for hydrogenating aldehydes to form the corresponding alcohols.

Catalyst and process for hydrogenating organic compounds comprising hydrogenatable groups

Growing community of inventors

Mannheim, Germany

Jochem Henkelmann