Saudi Basic Industries Corporation

Linde Aktiengesellschaft

Sabic Global Technologies B.v.

Linde Ag Patent- Und Lizenzabteilung

Fuad Mosa

Heinz Bölt

Peter M Fritz

Mohammed Hassan Al-Hazmi

Uwe Rosenthal

Normen Peulecke

Wolfgang Müller

Vugar O Aliyev

Bernd H Müller

Anina Wöhl

Florian Winkler

Anton Wellenhofer

Richard Schneider

Talal Ali

Andreas Meiswinkel

Marko Hapke

Stephan Peitz

Shahid Azam

Sultan Eid Al-Otaibi

Helmut Fritz

Hans-Jörg Zander

Sebastian Muschelknautz

Bhaskar Reddy Aluri

Carsten Taube

Atieh Abu-Raqabah

Marco Harff

Atieh Aburaqabah

Heinz Boelt

Mohammed Zahoor

Karl-Heinz Hofmann

Volker Göke

Anina Woehl

Volker Goeke

Christian Thaller

Sultan Al-Otaibe

Syriac Palackal

Markus Koehler

Holger Hackner

Hans-Jorg Zander

Bernd H Mueller

Bernd Muller

Stefan Glanz

Markus Köhler

Karl-Heinz Hoffman

Khalid Al-Eidan

Mohammed Al-Masned

Ayed Al-Ayed

Abdullah Al-Dugathier

Vugar Aliyev

Müller Wolfgang

Anina WÖHL

Bernd MÜLLER

Peter Fritz

Sebastian Muschelknantz

Wolfgang MÜLLER

Wofgang Müller

Aliyev Vugar

Shahid Majeed Azam

Mohammed H Al-Masned

H Bernd Müller

Bashkar Reddy Aluri

Bernd H Muller

Peter Matthias Fritz

Abdellah Al-Dugathier

Wolfgang Mueller

Mohammed H Al-hazmi

The present invention relates to a method for preparing a catalyst composition for the oligomerization of ethylene and a respective catalyst composition pre-formation unit.

Method for preparing a catalyst composition for oligomerization of ethylene and respective catalyst composition pre-formation unit

The present invention relates to a method for preparing linear alpha-olefins (LAO) by oligomerization of ethylene in the presence of solvent and homogenous catalyst, comprising the steps of: (i) feeding ethylene, solvent and catalyst into an oligomerization reactor, (ii) oligomerizing the ethylene in the reactor, (iii) removing a reactor outlet stream comprising solvent, linear alpha-olefins, ethylene, and catalyst from the reactor via a reactor outlet piping system, (iv) transferring the reactor outlet stream to a catalyst deactivation and removal step, and (v) deactivating and removing the catalyst from the reactor outlet stream, characterized in that at least one organic amine is added into the oligomerization reactor and/or into the reactor outlet piping system.

Method for preparing linear alpha-olefins

A catalyst composition and a process for di-, tri- and/or tetramerization of ethylene, wherein the catalyst composition comprises a chromium compound, a ligand of the general structure RRP&#x2014;N(R)&#x2014;P(R)&#x2014;N(R)&#x2014;PRR, or any cyclic derivatives thereof, wherein at least one of the P or N atoms of the PNPNP-unit is member of a ring system, the ring system being formed from one or more constituent compounds of the ligand by substitution, and a co-catalyst or activator.

Catalyst composition and process for di-, tri- and/or tetramerization of ethylene

The present invention relates to a catalyst composition for the oligomerization of ethylene, comprising a transition metal compound of the general formula MX(OR')or MX(OOCR&#x2032;), wherein R&#x2032; is an alkyl, alkenyl, aryl, aralkyl or cycloalkyl group, X is chlorine or bromine and m is from 0 to 4 and a reaction product of an organoaluminium compound and a cyclic amide, as well as to a process for preparing linear alpha-olefins utilizing this catalyst composition.

Catalyst composition and process for preparing linear alpha-olefins

The present invention relates to a catalyst composition for oligomerization of ethylene, comprising a chromium compound; a ligand of the general structure RRP&#x2014;N(R)&#x2014;P(R)&#x2014;N(R)&#x2014;H, wherein R, R, R, Rand Rare independently selected from halogen, amino, trimethylsilyl, C-C-alkyl, aryl and substituted aryl; a modifier containing organic or inorganic halide; and an activator or co-catalyst; and a process for oligomerization utilizing that catalyst.

Catalyst composition and process for oligomerization of ethylene

The present invention relates to a method for preparing linear alpha-olefins by oligomerizing of ethylene in the presence of a first organic solvent and a homogenous catalyst in a reactor, characterized in that the reactor overhead is cooled by means of a refrigerant.

Method for preparing linear alpha-olefins with improved heat removal

The present invention relates to a method for preparing linear alpha-olefins (LAO) by oligomerization of ethylene in the presence of a solvent and homogeneous catalyst, comprising the steps of:

A method for removal and recovery of an organic amine from a hydrocarbon stream containing the amine, including: i) mixing the hydrocarbon stream containing the amine with an aqueous inorganic acid in a volumetric ratio of hydrocarbon stream:aqueous inorganic acid of greater than 1:1-5:1, preferably 1.5:1-4:1, more preferably 3:1, ii) phase separating of hydrocarbon and aqueous phase; iii) removing the hydrocarbon phase and optionally further purifying thereof, iv) optionally recycling at least a part of the hydrocarbon phase obtained in step (iii) into mixing step (i), v) mixing the aqueous phase obtained in step (iii) with an aqueous alkaline solution, vi) phase separating of an aqueous phase and an organic phase formed, vii) removing the organic phase obtained in step (vi) and optionally further purifying thereof.

Method for removal and recovery of organic amines from a hydrocarbon stream

The present invention relates to a catalyst composition comprising: (a) a binuclear chromium(II) complex; (b) a ligand of the general structure (A) RRP&#x2014;N(R)&#x2014;P(R)&#x2014;N(R)&#x2014;H or (B) RRP&#x2014;N(R)&#x2014;P(R)&#x2014;N(R)&#x2014;PRR, wherein R, R, R, R, R, Rand Rare independently selected from halogen, amino, trimethylsilyl, C-C-alkyl, aryl and substituted aryl, wherein the PNPN- or PNPNP-unit is optionally part of a ring system; and (c) an activator or co-catalyst, as well as to a process for oligomerization of ethylene.

The present invention relates to a catalyst composition and a process for di-, tri- and/or tetramerization of ethylene, wherein the catalyst composition comprises a chromium compound, a ligand of the general structure (A) RRP&#x2014;N(R)&#x2014;P(R)&#x2014;N(R)&#x2014;H or (B) RRP&#x2014;N(R)&#x2014;P(R)&#x2014;N(R)&#x2014;PRR, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNPNP-unit is member of a ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution and a co-catalyst or activator.

Catalyst composition for the oligomerization of ethylene, comprising (i) an at least partially hydrolyzed transition metal compound, obtainable by controlled addition of water to a transition metal compound having the general formula MX(OR')or MX(OOCR&#x2032;), wherein R&#x2032; is an alkyl, alkenyl, aryl, aralkyl or cycloalkyl group, X is halogen, preferably Cl or Br, and m is from 0 to 4; preferably 0-3; and (ii) an organoaluminum compound as a cocatalyst, wherein the molar ratio of water and transition metal compound is within a range of between about (0.01-3):1; a process for oligomerization of ethylene and a method for preparing the catalyst composition.

Catalyst composition for oligomerization of ethylene oligomerization process and method for its preparation

The present invention relates to a method for the deactivation of an organometallic catalyst in the product stream from an oligomerization reactor for the production of linear alpha-olefin, characterized in that the catalyst-containing product stream of the reactor is subjected to a temperature of at least 160&#xb0; C. in a heating device. A reactor system for the method of the invention is also disclosed.

Method for deactivation of an organometallic catalyst and reactor system therefor

The present invention relates to a catalyst for oligomerization of ethylene, comprising a functionalized solid support; a ligand immobilized on the solid support by chemical bonding, wherein the immobilized ligand has the structure (R)(R)P&#x2014;N(R)&#x2014;P(R)&#x2014;Y-support or (R)(R)P&#x2014;N(R)&#x2014;P(R)&#x2014;N(R)&#x2014;P(R)&#x2014;Y-support, wherein R, R, R, R, Rand Rare independently selected from aliphatic group, aryl group, amino group and trimethylsilyl group and Y is the functional group of the support or a derivative thereof; and a chromium compound reacted with the ligand; and to a method for its preparation and a process for oligomerization of ethylene utilizing the catalyst.

Catalyst for oligomerization of ethylene, method for its preparation and oligomerization process using the catalyst

The present invention relates to a method for oligomerization or polymerization of ethylene and/or alpha-olefins utilizing reactor equipment and other equipment wherein starting material comprising monomer(s), catalyst, cocatalyst and solvent is transferred to the reactor equipment via first piping, and product material comprising oligomer and/or polymer, non-reacted monomer(s), catalyst, cocatalyst and solvent is discharged from the reactor equipment via second piping, characterized in that the first piping, second piping, reactor equipment and/or other equipment are flushed with a product fraction obtained by said or a respective previous method prior to and/or after that oligomerization or polymerization method.

Method for oligomerization and/or polymerization of ethylene with flushing of equipment and piping

The present invention relates to a bubble column reactor comprising a column reactor having a sparger plate dividing the column reactor into a top reaction compartment and a bottom compartment, characterized in that an inlet and outlet line for introducing and disposing a flushing medium are connected to the bottom compartment; and an operation method thereof.

Method for operating bubble column reactor for the oligomerization of ethylene

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Riyadh, Saudi Arabia

Fuad Mosa