Patents by Inventor Motaz Khawaji
Motaz Khawaji 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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Publication number: 20220168716Abstract: Catalyst systems suitable for tetramerizing ethylene to form 1-octene may include a catalyst having a structure according to Formula (VI) or Formula (VII). In Formulas (VI) and (VII), X is a halogen, a (C2-C30) carboxylate, acetylacetonate, or a (C1-C30) hydrocarbyl; L1 is a neutral coordinating ligand; n is an integer from 0 to 6; Y is a (C6-C20)fluorine-substituted aryl, a (C6-C20)fluorine-substituted aryloxy, or a (C1-C20)fluorine-substituted alkoxy; and L?L is a bidentate chelating ligand. The catalyst system may also include an aluminum containing agent which includes a reaction product of an organoaluminum compound and an antifouling compound. The antifouling compound may include one or more organic acids, organic acid salts, esters, anhydrides, or combinations of these.Type: ApplicationFiled: November 30, 2021Publication date: June 2, 2022Inventors: Sohel Shaikh, Motaz Khawaji, Wei Xu
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Publication number: 20220169583Abstract: Catalyst systems suitable for tetramerizing ethylene to form 1-octene may include a catalyst including a reaction product of a chromium compound and a ligand having the structure according to Formula (II). In Formula (II), A and C may be independently chosen from phosphorus, arsenic, antimony, bismuth, and nitrogen; B may be a linking group between A and C; and R1, R2, R3, and R4 may be independently chosen from a (C1-C50) hydrocarbyl or a (C1-C50) heterohydrocarbyl. The catalyst system may include a co-catalyst including a reaction product of an organoaluminum compound and an antifouling compound. The antifouling compound may include one or more quaternary salts; one or more organic acids, organic acid salts, esters, anhydrides, or combinations of these; one or more chlorinated hydrocarbons, chloro-aluminum alkyls, or combinations of these; one or more polyether alcohols; or one or more non-polymeric ethers.Type: ApplicationFiled: November 30, 2021Publication date: June 2, 2022Applicant: Saudi Arabian Oil CompanyInventors: Motaz Khawaji, Sohel Shaikh, Wei Xu
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Publication number: 20220168718Abstract: Catalyst systems suitable for tetramerizing ethylene to form 1-octene may include a catalyst having a structure according to Formula (VI) or Formula (VII). In Formulas (VI) and (VII), X is a halogen, a (C2-C30) carboxylate, acetylacetonate, or a (C1-C30) hydrocarbyl; L1 is a neutral coordinating ligand; n is an integer from 0 to 6; Y is a (C6-C20)fluorine-substituted aryl, a (C6-C20)fluorine-substituted aryloxy, or a (C1-C20)fluorine-substituted alkoxy; and L?L is a bidentate chelating ligand. The catalyst system may also include an aluminum containing agent which includes a reaction product of an organoaluminum compound and an antifouling compound. The antifouling compound may include one or more chlorinated hydrocarbons, chloro-aluminum alkyls, or combinations of these.Type: ApplicationFiled: November 30, 2021Publication date: June 2, 2022Applicant: Saudi Arabian Oil CompanyInventors: Sohel Shaikh, Motaz Khawaji, Wei Xu
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Publication number: 20220168715Abstract: Catalyst systems suitable for tetramerizing ethylene to form 1-octene may include a catalyst having a structure according to Formula (VI) or Formula (VII). In Formulas (VI) and (VII), X is a halogen, a (C2-C30) carboxylate, acetylacetonate, or a (C1-C30) hydrocarbyl; L1 is a neutral coordinating ligand; n is an integer from 0 to 6; Y is a (C6-C20)fluorine-substituted aryl, a (C6-C20)fluorine-substituted aryloxy, or a (C1-C20)fluorine-substituted alkoxy; and L?L is a bidentate chelating ligand. The catalyst system may also include an aluminum containing agent which includes a reaction product of an organoaluminum compound and an antifouling compound. The antifouling compound may include one or more quaternary salts.Type: ApplicationFiled: November 30, 2021Publication date: June 2, 2022Applicant: Saudi Arabian Oil CompanyInventors: Sohel Shaikh, Motaz Khawaji, Wei Xu
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Publication number: 20220111375Abstract: According to one embodiment, a catalyst system that reduces polymeric fouling may include at least one chromium compound, at least one aluminum compound, and at least one antifouling agent or a derivative thereof. The antifouling agent may have a structure including a central aluminum molecule bound to an R1 group, bound to an R2 group, and bound to an R3 group. One or more of the chemical groups R1, R2, and R3 may be antifouling groups having the structure —O((CH2)nO)mR4, a phosphonium or phosphonium salt, a sulfonate or sulfonate salt, a sulfonium or sulfonium salt, an ester, an anhydride, a polyether, or a long-chained amine-capped compound, where n is an integer from 1 to 20, m is an integer from 1 to 100, and R4 is a hydrocarbyl group. The chemical groups R1, R2, or R3 that do not include an antifouling group, if any, may be hydrocarbyl groups.Type: ApplicationFiled: October 9, 2020Publication date: April 14, 2022Applicant: Saudi Arabian Oil CompanyInventors: Sohel Shaikh, Motaz Khawaji, Zhonglin Zhang, Wei Xu
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Publication number: 20220025078Abstract: According to one or more embodiments disclosed herein, the amount of one or more contaminants in an initial ultra high molecular weight polyethylene composition may be reduced by a method including contacting the initial ultra high molecular weight polyethylene composition with an acid to form a processed ultra high molecular weight polyethylene composition. The initial ultra high molecular weight polyethylene composition may include at least 0.02 wt. % of one or more contaminants. The contacting of the acid with the initial ultra high molecular weight polyethylene composition may be for a time, at a pressure, and at a temperature sufficient to reduce the amount of the one or more contaminants in the initial ultra high molecular weight polyethylene.Type: ApplicationFiled: July 22, 2020Publication date: January 27, 2022Applicant: Saudi Arabian Oil CompanyInventors: Motaz Khawaji, Faisal Melebari, Hussain Al Yami, Wei Xu
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Publication number: 20210355049Abstract: According to one embodiment, a catalyst system that reduces polymeric fouling may comprise at least one titanate compound, at least one aluminum compound, and at least one antifouling agent or a derivative thereof. The antifouling agent may comprise a structure comprising a central aluminum molecule bound to an R1 group, bound to an R2 group, and bound to an R3 group. One or more of the chemical groups R1, R2, and R3 may be antifouling groups comprising the structure —O((CH2)nO)mR4, where n is an integer from 1 to 20, m is an integer from 1 to 100, and R4 is a hydrocarbyl group. The chemical groups R1, R2, or R3 that do not comprise the antifouling group, if any, may be hydrocarbyl groups.Type: ApplicationFiled: July 23, 2021Publication date: November 18, 2021Applicants: Saudi Arabian Oil Company, Sumitomo Chemical Company, LimitedInventors: Motaz Khawaji, Hussain Al Yami, Sohel Shaikh, Wei Xu, Kenji Sogo
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Publication number: 20210347712Abstract: According to one embodiment, a catalyst system that reduces polymeric fouling may comprise at least one titanate compound, at least one aluminum compound, and at least one antifouling agent or a derivative thereof. The antifouling agent may comprise a structure comprising a central aluminum molecule bound to an R1 group, bound to an R2 group, and bound to an R3 group. One or more of the chemical groups R1, R2, and R3 may be antifouling groups comprising the structure —O((CH2)nO)mR4, where n is an integer from 1 to 20, m is an integer from 1 to 100, and R4 is a hydrocarbyl group. The chemical groups R1, R2, or R3 that do not comprise the antifouling group, if any, may be hydrocarbyl groups.Type: ApplicationFiled: July 23, 2021Publication date: November 11, 2021Applicants: Saudi Arabian Oil Company, Sumitomo Chemical Company, LimitedInventors: Motaz Khawaji, Hussain Al Yami, Sohel Shaikh, Wei Xu, Kenji Sogo
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Patent number: 11104621Abstract: According to one embodiment, a catalyst system that reduces polymeric fouling may comprise at least one titanate compound, at least one aluminum compound, and at least one antifouling agent or a derivative thereof. The antifouling agent may comprise a structure comprising a central aluminum molecule bound to an R1 group, bound to an R2 group, and bound to an R3 group. One or more of the chemical groups R1, R2, and R3 may be antifouling groups comprising the structure —O((CH2)nO)mR4, where n is an integer from 1 to 20, m is an integer from 1 to 100, and R4 is a hydrocarbyl group. The chemical groups R1, R2, or R3 that do not comprise the antifouling group, if any, may be hydrocarbyl groups.Type: GrantFiled: December 29, 2016Date of Patent: August 31, 2021Assignees: Saudi Arabian Oil Company, Sumitomo Chemical Company, LimitedInventors: Motaz Khawaji, Hussain Al Yami, Sohel Shaikh, Wei Xu, Kenji Sogo
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Publication number: 20170197892Abstract: According to one embodiment, a catalyst system that reduces polymeric fouling may comprise at least one titanate compound, at least one aluminum compound, and at least one antifouling agent or a derivative thereof. The antifouling agent may comprise a structure comprising a central aluminum molecule bound to an R1 group, bound to an R2 group, and bound to an R3 group. One or more of the chemical groups R1, R2, and R3 may be antifouling groups comprising the structure —O((CH2)nO)mR4, where n is an integer from 1 to 20, m is an integer from 1 to 100, and R4 is a hydrocarbyl group. The chemical groups R1, R2, or R3 that do not comprise the antifouling group, if any, may be hydrocarbyl groups.Type: ApplicationFiled: December 29, 2016Publication date: July 13, 2017Applicants: Saudi Arabian Oil Company, Sumitomo Chemical Company, LimitedInventors: Motaz Khawaji, Hussain Al Yami, Sohel Shaikh, Wei Xu, Kenji Sogo
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Publication number: 20160367977Abstract: A catalyst system that may reduce polymeric fouling may include at least one titanate compound, at least one aluminum compound, and an antifouling agent. The antifouling agent may be chosen from one or more of a phosphonium or phosphonium salt; a sulfonate or a sulfonate salt; a sulfonium or sulfonium salt; an ester including a cyclic moiety; an anhydride; a polyether; and a long-chained amine-capped compound. The catalyst system may further include a non-polymeric ether compound.Type: ApplicationFiled: June 14, 2016Publication date: December 22, 2016Applicant: Saudi Arabian Oil CompanyInventors: Sohel Shaikh, Motaz Khawaji, Hussain Al Yami, Wei Xu