Patents by Inventor Abdulaziz Hamad Al-Humydi
Abdulaziz Hamad Al-Humydi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11254757Abstract: The invention relates to a process for preparing a solid support for a procatalyst suitable for preparing a catalyst composition for olefin polymerization, said process for preparing said solid support comprising reacting a compound R4zMgX42-z with a silane compound Si(OR5)4-n(R6)n in a solvent and mixing the resulting mixture with a mixing device and at a certain mixing speed in order to give a solid support Mg(OR1)xX12-x said solid support obtained having an average particle size of at most 17 ?m, preferably at most 16 or 14 ?m, more preferably at most 12 ?m. The invention further relates to a solid support, a process for preparing a procatalyst and said procatalyst as well as polyolefins obtained using said procatalyst.Type: GrantFiled: October 11, 2017Date of Patent: February 22, 2022Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Akhlaq Moman, Inaamul Haq Siddiqui, Sudhakar R. Padmanabhan, Abdulaziz Hamad Al-Humydi
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Patent number: 10822433Abstract: The invention relates to a process for transitioning from a first continuous polymerization in a gas phase reactor conducted in the presence of a metallocene catalyst to a second polymerization conducted in the presence of a Ziegler-Natta catalyst in the gas phase reactor wherein the metallocene catalyst and the Ziegler-Natta catalysts are incompatible, the process comprising: (a) discontinuing the introduction of the metallocene catalyst into the gas phase reactor; (b) introducing an effective amount of cyclohexylamine into the reactor to at least partially deactivate the metallocene catalyst; (c) introducing an organometallic compound into the reactor and reacting the organometallic compound with cyclohexylamine; (d) degas the gas composition of the reactor and build up a new composition inside the reactor for the second polymerization with the Ziegler-Natta catalyst (e) introducing the Ziegler-Natta catalyst into the reactor.Type: GrantFiled: November 29, 2016Date of Patent: November 3, 2020Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Yahya Banat, Abdulaziz Hamad Al-Humydi, Said Fellahi
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Publication number: 20200270373Abstract: The invention relates to a process for transitioning from a first continuous polymerization in a gas phase reactor conducted in the presence of a metallocene catalyst to a second polymerization conducted in the presence of a Ziegler-Natta catalyst in the gas phase reactor wherein the metallocene catalyst and the Ziegler-Natta catalysts are incompatible, the process comprising: (a) discontinuing the introduction of the metallocene catalyst into the gas phase reactor; (b) introducing an effective amount of cyclohexylamine into the reactor to at least partially deactivate the metallocene catalyst; (c) introducing an organometallic compound into the reactor and reacting the organometallic compound with cyclohexylamine; (d) degas the gas composition of the reactor and build up a new composition inside the reactor for the second polymerization with the Ziegler-Natta catalyst (e) introducing the Ziegler-Natta catalyst into the reactor.Type: ApplicationFiled: November 29, 2016Publication date: August 27, 2020Inventors: Yahya Banat, Abdulaziz Hamad Al-Humydi, Said Fellahi
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Patent number: 10513569Abstract: The invention relates to a metallocene complex according to formula (1) wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, Z1, Z2, Z3 and Z4 are identical or different and can be chosen from the group consisting of hydrogen and a hydrocarbon radical with 1-20 carbon atoms, and adjacent substituents Z can form a ring system together with the carbon atoms of the Cp ring to which they are bound.Type: GrantFiled: October 19, 2017Date of Patent: December 24, 2019Assignee: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Nedumbamana Sankaran, Prashant Shinge, Sharankumar Shetty, Girish Chandra, Haif Al-Shammari, Abdulaziz Hamad Al-Humydi, Edward Joseph Nesakumar, Pradeep Jeevaji Nadkarni
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Patent number: 10494455Abstract: The invention relates to a process for transitioning from a first continuous polymerization reaction in a gas phase reactor conducted in the presence of a first catalyst to a second polymerization reaction conducted in the presence of a second catalyst in the gas phase reactor wherein the first and second catalysts are incompatible, the process comprising: (a) discontinuing the introduction of the first catalyst from a first catalyst feeding system into a reactor; (b) introducing a catalyst killer to at least partially de-activate the first catalyst in the reactor (c) introducing into the reactor a second catalyst from a second catalyst feeding system separate from the first catalyst feeding system.Type: GrantFiled: December 22, 2015Date of Patent: December 3, 2019Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Yahya Banat, Abdulaziz Hamad Al-Humydi, Said Fellahi
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Publication number: 20190225715Abstract: The invention relates to a process for preparing a solid support for a procatalyst suitable for preparing a catalyst composition for olefin polymerization, said process for preparing said solid support comprising reacting a compound R42MgX42-z with a silane compound Si(OR5)4-n(R6)n in a solvent and mixing the resulting mixture with a mixing device and at a certain mixing speed in order to give a solid support Mg(OR1)xX12-x said solid support obtained having an average particle size of at most 17 ?m, preferably at most 16 or 14 ?m, more preferably at most 12 ?m. The invention further relates to a solid support, a process for preparing a procatalyst and said procatalyst as well as polyolefins obtained using said procatalyst.Type: ApplicationFiled: October 11, 2017Publication date: July 25, 2019Inventors: Akhlaq Moman, Inaamul Haq Siddiqui, Sudhakar R. Padmanabhan, Abdulaziz Hamad Al-Humydi
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Publication number: 20180186906Abstract: The invention relates to a process for transitioning from a first continuous polymerization reaction in a gas phase reactor conducted in the presence of a first catalyst to a second polymerization reaction conducted in the presence of a second catalyst in the gas phase reactor wherein the first and second catalysts are incompatible, the process comprising: (a) discontinuing the introduction of the first catalyst from a first catalyst feeding system into a reactor; (b) introducing a catalyst killer to at least partially deactivate the first catalyst in the reactor (c) introducing into the reactor a second catalyst from a second catalyst feeding system separate from the first catalyst feeding system.Type: ApplicationFiled: December 22, 2015Publication date: July 5, 2018Inventors: Yahya BANAT, Abdulaziz Hamad Al-Humydi, Said Fellahi
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Publication number: 20180171125Abstract: The present invention relates to a polymer composition comprising a linear low-density polyethylene produced in the presence of a single-site catalyst system and 0.01-2.00% by weight of a nucleating agent, the linear low-density polyethylene having a density as determined according to ISO 1183-1 (2012), method A of >900 kg/m3and ?940 kg/m3, wherein films produced using the polymer composition have a total defected area of ?50 ppm of surface, the total defected area being the fraction of surface area of the film accounted for by gels having an equivalent diameter of >50 ?m. Such polymer compositions are suitable for the production of films having a low oxygen transmission rate and a low water vapour transmission rate.Type: ApplicationFiled: June 23, 2016Publication date: June 21, 2018Inventors: Said Fellahi, Yahya Banat, Maria Johanna Willems, Bart van den Esschert, Abdulaziz Hamad Al-Humydi
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Patent number: 9944727Abstract: The invention relates to a process for transitioning from a first continuous polymerization reaction in a gas phase reactor conducted in the presence of a first catalyst to a second polymerization reaction conducted in the presence of a second catalyst in the gas phase reactor wherein the first and second catalysts are incompatible, the process comprising: (a) discontinuing the introduction of the first catalyst into the gas phase reactor; (b) introducing an effective amount of cyclohexylamine into the reactor to at least partially deactivate the first catalyst; (c) introducing an organometallic compound into the reactor and reacting the organometallic compound with cyclohexylamine; (d) introducing a gas composition into the reactor for the second polymerization reaction and (e) introducing the second catalyst into the reactor.Type: GrantFiled: December 22, 2015Date of Patent: April 17, 2018Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Yahya Banat, Abdulaziz Hamad Al-Humydi, Said Fellahi
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Patent number: 9902845Abstract: The invention relates to linear low density polyethylene having a density in the range from about 900 kg/m3 to less than about 940 kg/m3 as determined using IS01872-2, having a molecular weight distribution (Mw/Mn) in the range from 2.5 to 3.5, having an area under the peak in the temperature range from 20 to 40° C. determined using an analytical temperature rising elution fractionation analysis using 1,2-dichlorobenzene and a heating rate of 1° C./min, wherein the area is in the range from 5 to 20% of the sum of the areas under all peaks determined with the analytical temperature rising elution fractionation analysis.Type: GrantFiled: December 20, 2012Date of Patent: February 27, 2018Assignee: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Bart Albertus Hubertus van den Esschert, Maria Johanna Willems, Abdulaziz Hamad Al-Humydi, Yahya Banat, Said Fellahi
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Publication number: 20180044450Abstract: The invention relates to a metallocene complex according to formula (1) wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, Z1, Z2, Z3 and Z4 are identical or different and can be chosen from the group consisting of hydrogen and a hydrocarbon radical with 1-20 carbon atoms, and adjacent substituents Z can form a ring system together with the carbon atoms of the Cp ring to which they are bound.Type: ApplicationFiled: October 19, 2017Publication date: February 15, 2018Inventors: Nedumbamana SANKARAN, Prashant SHINGE, Sharankumar SHETTY, Girish CHANDRA, Haif AL-SHAMMARI, Abdulaziz Hamad AL-HUMYDI, Edward Joseph NESAKUMAR, Pradeep Jeevaji NADKARNI
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Patent number: 9868797Abstract: A metallocene complex according to formula 1 wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5, or 6, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, X is a cyclic bridging group that is bonded to a carbon atom of the cyclopentadienyl ligand and to nitrogen, Z1, and Z4 are hydrogen or a hydrocarbon radical with 1-20 carbon atoms; adjacent substituents Z2 and Z3 and are connected to form an indenyl or tetrahydroindenyl ring system and R is hydrogen or a hydrocarbon radical with 1-20 carbon atoms. Also described is a composition comprising the metallocene complex, a process for the preparation of the complex, and a process for the polymerization of olefin polymers in the presence of the metallocene complex.Type: GrantFiled: July 29, 2014Date of Patent: January 16, 2018Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Nedumbamana Sankaran, Prashant Sukumar Shinge, Sharankumar Shetty, Girish Chandra, Haif Al-Shammari, Abdulaziz Hamad Al-Humydi, Edward Joseph Nesakumar
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Publication number: 20170349734Abstract: The invention is directed to a polyethylene composition comprising 20-90 wt % of a LLDPE A and 80-10 wt % of a LLDPE B, wherein i) LLDPE A is obtainable by a process for producing a copolymer of ethylene and another ?-olefin in the presence of an Advanced Ziegler-Natta catalyst, ii) LLDPE B is obtainable by a process for producing a copolymer of ethylene and another ?-olefin in the presence of a metallocene catalyst.Type: ApplicationFiled: December 2, 2015Publication date: December 7, 2017Inventors: Salaheldin M A. Habibi, Said Fellahi, Akhlaq A. Moman, Yahya Banat, Abdulaziz Hamad Al-Humydi
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Publication number: 20170342174Abstract: The invention relates to a process for transitioning from a first continuous polymerization reaction in a gas phase reactor conducted in the presence of a first catalyst to a second polymerization reaction conducted in the presence of a second catalyst in the gas phase reactor wherein the first and second catalysts are incompatible, the process comprising: (a) discontinuing the introduction of the first catalyst into the gas phase reactor; (b) introducing an effective amount of cyclohexylamine into the reactor to at least partially deactivate the first catalyst; (c) introducing an organometallic compound into the reactor and reacting the organometallic compound with cyclohexylamine; (d) introducing a gas composition into the reactor for the second polymerization reaction and (e) introducing the second catalyst into the reactor.Type: ApplicationFiled: December 22, 2015Publication date: November 30, 2017Inventors: Yahya BANAT, Abdulaziz Hamad Al-Humydi, Said Fellahi
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Patent number: 9815917Abstract: The invention relates to a metallocene complex according to formula (1) wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, Z1, Z2, Z3 and Z4 are identical or different and can be chosen from the group consisting of hydrogen and a hydrocarbon radical with 1-20 carbon atoms, and adjacent substituents Z can form a ring system together with the carbon atoms of the Cp ring to which they are bound.Type: GrantFiled: August 29, 2014Date of Patent: November 14, 2017Assignee: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Nedumbamana Sankaran, Prashant Sukumar Shinge, Sharankumar Shetty, Girish Chandra, Haif Al-Shammari, Abdulaziz Hamad Al-Humydi, Edward Joseph Nesakumar, Pradeep Jeevaji Nadkarni
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Publication number: 20160208025Abstract: The invention relates to a metallocene complex according to formula (1) wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, Z1, Z2, Z3 and Z4 are identical or different and can be chosen from the group consisting of hydrogen and a hydrocarbon radical with 1-20 carbon atoms, and adjacent substituents Z can form a ring system together with the carbon atoms of the Cp ring to which they are bound.Type: ApplicationFiled: August 29, 2014Publication date: July 21, 2016Inventors: Nedumbamana SANKARAN, Prashant Sukumar SHINGE, Sharankumar SHETTY, Girish CHANDRA, Haif AL-SHAMMARI, Abdulaziz Hamad AL-HUMYDI, Edward Joseph NESAKUMAR, Pradeep Jeevaji NADKARNI
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Publication number: 20160168280Abstract: A metallocene complex according to formula 1 wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5, or 6, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, X is a cyclic bridging group that is bonded to a carbon atom of the cyclopentadienyl ligand and to nitrogen, Z1, and Z4 are hydrogen or a hydrocarbon radical with 1-20 carbon atoms; adjacent substituents Z2 and Z3 and are connected to form an indenyl or tetrahydroindenyl ring system and R is hydrogen or a hydrocarbon radical with 1-20 carbon atoms. Also described is a composition comprising the metallocene complex, a process for the preparation of the complex, and a process for the polymerization of olefin polymers in the presence of the metallocene complex.Type: ApplicationFiled: July 29, 2014Publication date: June 16, 2016Inventors: Nedumbamana SANKARAN, Prashant Sukumar SHINGE, Sharankumar SHETTY, Girish CHANDRA, Haif AL-SHAMMARI, Abdulaziz Hamad AL-HUMYDI, Edward Joseph NESAKUMAR
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Patent number: 9321864Abstract: 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 general formula N(R4, R5, R6). The catalyst composition reduces fouling and/or sheeting when used to catalyse the polymerisation of olefins. The present invention also relates to a method for the polymerisation of olefins using the catalyst composition of the invention.Type: GrantFiled: December 20, 2012Date of Patent: April 26, 2016Assignee: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Bart Albertus Hubertus van den Esschert, Maria Johanna Willems, Abdulaziz Hamad Al-Humydi, Yahya Banat, Atieh Aburaqabah, Said Fellahi
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Patent number: 9234054Abstract: 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 indene compound with pinacolborane in the presence of a Pd catalyst and a base to form the corresponding 2-indenylpinacolylborane compound. Bridged bis(indenyl)ligands may suitably be used in the preparation of metallocene complexes, such as 2,2?-bis(2-indenyl)biphenyl ZrCl2 and 1,2-bis (2-indenyl)benzene ZrCl2. These metallocene complexes may be used for the polymerization, optionally in the presence of a cocatalyst, of one or more ?-olefins, preferably for the polymerization of ethylene.Type: GrantFiled: December 13, 2012Date of Patent: January 12, 2016Assignee: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Abdulaziz Hamad Al-Humydi, Atieh Aburaqabah, Christian Gorl, Helmut Alt
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Patent number: 9000200Abstract: 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 pinacolborane in the presence of a Pd catalyst and a base to form the corresponding 2-indenylpinacolylborane compound. These bridged bis(indenyl)ligands may suitably be used in the preparation of metallocene complexes, such as 2,2?-bis(2-indenyl)biphenyl ZrCl2 and 1,2-bis(2-indenyl)benzene ZrCl2. These metallocene complexes may be used for the polymerization, optionally in the presence of a cocatalyst, of one or more ?-olefins, preferably for the polymerization of ethylene.Type: GrantFiled: December 13, 2012Date of Patent: April 7, 2015Assignee: Saudi Basic Industries CorporationInventors: Abdulaziz Hamad Al-Humydi, Atieh Aburaqabah, Christian Gorl, Helmut Alt