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Atieh Abu-Raqabah patentsRecent bibliographic sampling of Atieh Abu-Raqabah patents listed/published in the public domain by the USPTO (USPTO Patent Application #,Title):
01/29/15 - 20150031824 - Catalyst composition and method for preparing the same
The present invention relates to a catalyst composition for the polymerisation of olefins comprising a support containing a single site catalyst component, a catalyst activator and a modifier wherein the modifier is the product of reacting an aluminum compound of general formula AI(R1, R2, R3) with an amine compound of...
Inventors: Bart Albertus Hubertus Van Den Esschert, Maria Johanna Willems, Abdulaziz Hamad Al-humydi, Yahya Banat, Atieh Aburaqabah, Said Fellahi (Saudi Basic Industries Corporation)
12/25/14 - 20140378694 - Process for the preparation of metallocene complexes
A process to prepared bridged bis(indenyl)ligands, comprising the step of reacting a 2-indenylpinacolyl borane compound with a bromosubstituted compound in the presence of a Pd catalyst and a base to form the corresponding bridged bis(indenyl) ligand. The process may further comprise the step of reacting a 2-bromo indene compound with...
Inventors: Abdulaziz Hamad Al-humydi, Atieh Aburaqabah, Christian Gorl, Helmut Alt (Saudi Basic Industries Corporation)
11/20/14 - 20140343238 - Process for the preparation of metallocene complexes
A process comprising reacting a 2-indenylboranic acid (ester) with a bromosubstituted compound in the presence of the Pd catalyst bis(triphenylphosphin)palladium dichloride and a base to form the corresponding bridged bis(indenyl) ligand. Where the 2-indenylboranic acid (ester) is the pinacolester of 2-indenylboranic acid, the process may further comprise reacting a 2-bromo...
Inventors: Abdulaziz Hamad Al-humydi, Atieh Aburaqabah, Christian Gorl, Helmut Alt (Saudii Basic Industries Corporation)
09/19/13 - 20130245218 - Process for making a solid catalyst component for ethylene polymerization and copolymerization
The present invention relates to a process for preparing a solid catalyst component suitable for producing polyethylene and its copolymers, said process comprising the steps of: (a) contacting a dehydrated support having hydroxyl groups with a magnesium compound having the general formula MgR1R2; (b) contacting the product obtained in step...
Inventors: Akhlaq Moman, Atieh Aburaqabah, Abdullah Mohammed Al-obaid, Moughrabiah Wajeeh, Salaheldin Habibi (Saudi Basic Industries Corporation)
05/17/12 - 20120123071 - Process for the production of an ethylene polymer using a chromium containing catalyst
The invention is directed to a process for the production of high density polyethylene by polymerisation of ethylene in the presence of a supported chromium oxide based catalyst and an activator characterised in that the activator comprises the reaction mixture of a boron compound and/or an alkyl aluminium compound and...
Inventors: Wei Xu, Ali Saad Headan, Sirajudeen Mohamed, Atieh Aburaqabah (Saudi Basic Industries Corporation)
12/16/10 - 20100317813 - Supported catalyst for the preparation of (co)monomers of ethylenically unsaturated monomers
The catalyst is applied in the (co)polymerization of olefins....
Inventors: Peter Tait, Atieh Abu-raqabah, Rami Bakleh, Eyad Abdulrazk
07/01/10 - 20100168351 - Catalyst complex and process for producing multimodal molecular weight polyolefins
R3 is alkyl, cycloalkyl, aryl or aralkyl, process for preparing a multinuclear catalyst composition comprising the steps of bonding a substituted phenoxyimine compound to a substituted cyclopentadienyl, indenyl or fluorenyl derivative to obtain a ligand framework and reacting at least one ligand framework with an active metal component and process...
Inventors: Syriac Palackal, Atieh Aburaqabah, Helmut Alt, Christian Goerl (Saudi Basic Industries Corporation)
06/17/10 - 20100152398 - Catalyst composition and a process for the oligomerization of ethylene
The invention also relates to a process for the oligomerization of ethylene in the presence of the catalyst composition according to the invention. The process results in a high yield of C4-C18 linear alpha-olefin and C6-C10 linear alpha-olefin....
Inventors: Vugar O. Aliyev, Atieh Abu-raqabah, Fahad Al-khodairi, Akif H. Azizov, Akber A. Khanmetov, Bilal V. Guliyev, Reyhan V. Aliyeva, Chingiz K. Rasulov, Minavar J. Ibrahimova
01/21/10 - 20100016529 - Catalyst precursor for the production of olefins with an odd number of carbons atoms, process for its preparation and production method for such olefins
wherein X and Y are halogen and n is 2 or 3; and to a process for its preparation and a method for oligomerization of ethylene....
Inventors: Marcus Seitz, Helmut G. Alt, Atieh Abu-raqabah, Syrlac J. Palackal (Saudi Basic Industries Corporation)
12/10/09 - 20090306449 - Process for the preparation of linear alpha-olefins and catalyst used therein
The present invention relates to a process for the preparation of linear low molecular weight alpha-olefins having 4 to 24 carbon atoms, comprising oligomerizing ethylene in an inert solvent in the presence of a catalyst system comprising: (i) zirconium carboxylate of the formula (R1COO)mZrCl4-m, wherein R1 is saturated or unsaturated...
Inventors: Vugar O. Aliyev, Atieh Abu-raqabah, Mohammad Zahoor
12/10/09 - 20090306315 - Process for preparing a catalyst component for propylene polymerization
The invention also relates to a polymerization catalyst system comprising the catalyst component and to a process of making a polyolefin by contacting at least one olefin with a polymerization catalyst system comprising the catalyst component....
Inventors: Yves Johann Elizabeth Ramjoie, Mark Vlaar, Nicolaas Hendrika Friederichs, Sergei Andreevich Sergeev, Vladimir Aleksandrovich Zakharov, Gennadii Dimitrievich Bukatov, Mansour Taftaf, Atieh Aburaqabah
08/13/09 - 20090203859 - Process for the polymerizaion of olefins
The present invention relates to a process for the polymerization of olefins, comprising the steps of introducing at least one olefin, at least one polymerization catalyst, at least one cocatalyst and at least one cocatalyst aid, and optionally a scavenger, into a polymerization reactor, and polymerizing the olefin, wherein the...
Inventors: Wei Xu, Vugar O. Aliyev, Sirajudeen Mohamed, Atieh Abu-raqabah
(*May have duplicates - we are upgrading our archive.)
20100317813 - Supported catalyst for the preparation of (co)monomers of ethylenically unsaturated monomers
The bibliographic references displayed about Atieh Abu-Raqabah's patents are for a recent sample of Atieh Abu-Raqabah's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Atieh Abu-Raqabah filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.
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