Patents by Inventor William C. Ellis
William C. Ellis 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: 20240043578Abstract: A pre-catalyst composition comprising: a) a silica support comprising silica wherein an amount of silica is in a range of from about 70 wt. % to about 95 wt. % based upon a total weight of the silica support; b) a titanium-containing compound wherein an amount of titanium is in a range of from about 0.1 wt. % to about 10 wt. % based upon the total weight of the silica support; c) a chromium-containing compound wherein an amount of chromium is in a range of from about 0.1 wt. % to about 10 wt. % based upon the total weight of the silica support; d) a surfactant wherein the surfactant comprises a non-ionic surfactant, a cationic surfactant, or a combination thereof; e) a carboxylate wherein the carboxylate comprises a multi carboxylate, an alpha-hydroxy carboxylate, or a combination thereof; and f) a solvent.Type: ApplicationFiled: October 18, 2023Publication date: February 8, 2024Inventors: Max P. MCDANIEL, Kathy S. CLEAR, William C. ELLIS, Deloris R. GAGAN
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Publication number: 20230416169Abstract: Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed in which the hydrocarbon reactant and a supported transition metal catalyst—containing molybdenum, tungsten, or vanadium—are irradiated with a light beam at a wavelength in the UV-visible spectrum, optionally in an oxidizing atmosphere, to form a reduced transition metal catalyst, followed by hydrolyzing the reduced transition metal catalyst to form a reaction product containing the alcohol compound and/or the carbonyl compound.Type: ApplicationFiled: September 1, 2023Publication date: December 28, 2023Inventors: Masud M. Monwar, Jared Barr, Carlos A. Cruz, Kathy S. Clear, Max P. McDaniel, William C. Ellis
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Publication number: 20230391700Abstract: Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed, and these processes include the steps of forming a supported chromium catalyst comprising chromium in a hexavalent oxidation state, irradiating the hydrocarbon reactant and the supported chromium catalyst with a light beam at a wavelength in the UV-visible spectrum to reduce at least a portion of the supported chromium catalyst to form a reduced chromium catalyst, and hydrolyzing the reduced chromium catalyst to form a reaction product comprising the alcohol compound and/or the carbonyl compound. The supported chromium catalyst can be formed by heat treating a supported chromium precursor, contacting a chromium precursor with a solid support while heat treating, or heat treating a solid support and then contacting a chromium precursor with the solid support.Type: ApplicationFiled: August 24, 2023Publication date: December 7, 2023Inventors: Carlos A. Cruz, Masud M. Monwar, Max P. McDaniel, Jared Barr, Kathy S. Clear, William C. Ellis
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Patent number: 11767279Abstract: Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed, and these processes include the steps of irradiating the hydrocarbon reactant and a supported chromium catalyst comprising chromium in a hexavalent oxidation state with a light beam at a wavelength in the UV-visible spectrum to reduce at least a portion of the supported chromium catalyst to form a reduced chromium catalyst, and hydrolyzing the reduced chromium catalyst to form a reaction product comprising the alcohol compound and/or the carbonyl compound. In addition, these processes can further comprise a step of calcining all or a portion of the reduced chromium catalyst to regenerate the supported chromium catalyst.Type: GrantFiled: July 14, 2022Date of Patent: September 26, 2023Assignee: Chevron Phillips Chemical Company LPInventors: Max P. McDaniel, Carlos A. Cruz, Masud M. Monwar, Jared L. Barr, William C. Ellis
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Patent number: 11753358Abstract: Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed, and these processes include the steps of forming a supported chromium catalyst comprising chromium in a hexavalent oxidation state, irradiating the hydrocarbon reactant and the supported chromium catalyst with a light beam at a wavelength in the UV-visible spectrum to reduce at least a portion of the supported chromium catalyst to form a reduced chromium catalyst, and hydrolyzing the reduced chromium catalyst to form a reaction product comprising the alcohol compound and/or the carbonyl compound. The supported chromium catalyst can be formed by heat treating a supported chromium precursor, contacting a chromium precursor with a solid support while heat treating, or heat treating a solid support and then contacting a chromium precursor with the solid support.Type: GrantFiled: July 19, 2022Date of Patent: September 12, 2023Assignee: Chevron Phillips Chemical Company LPInventors: Carlos A. Cruz, Masud M. Monwar, Max P. McDaniel, Jared Barr, Kathy S. Clear, William C. Ellis
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Publication number: 20230183400Abstract: Techniques are provided for catalyst preparation. A method includes heating a mixture of one or more transition metal compounds and an oxide support or a chromium containing oxide support to a temperature or a set of temperatures that enables the a transition metal compound of the one or more transition metal compounds to sublime, melt, or thermally decompose, such that a transition metal of the one or more transition metal compounds reacts with and is deposited onto a surface of the oxide support or the chromium containing oxide support to form a catalyst, and activating the catalyst. The catalyst is configured to facilitate a reaction that produces a target inorganic material.Type: ApplicationFiled: February 8, 2023Publication date: June 15, 2023Inventors: William C. Ellis, Max P. McDaniel, Deloris R. Gagan
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Publication number: 20220356135Abstract: Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed, and these processes include the steps of irradiating the hydrocarbon reactant and a supported chromium catalyst comprising chromium in a hexavalent oxidation state with a light beam at a wavelength in the UV-visible spectrum to reduce at least a portion of the supported chromium catalyst to form a reduced chromium catalyst, and hydrolyzing the reduced chromium catalyst to form a reaction product comprising the alcohol compound and/or the carbonyl compound. In addition, these processes can further comprise a step of calcining all or a portion of the reduced chromium catalyst to regenerate the supported chromium catalyst.Type: ApplicationFiled: July 14, 2022Publication date: November 10, 2022Inventors: Max P. McDaniel, Carlos A. Cruz, Masud M. Monwar, Jared L. Barr, William C. Ellis
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Publication number: 20220348527Abstract: Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed, and these processes include the steps of forming a supported chromium catalyst comprising chromium in a hexavalent oxidation state, irradiating the hydrocarbon reactant and the supported chromium catalyst with a light beam at a wavelength in the UV-visible spectrum to reduce at least a portion of the supported chromium catalyst to form a reduced chromium catalyst, and hydrolyzing the reduced chromium catalyst to form a reaction product comprising the alcohol compound and/or the carbonyl compound. The supported chromium catalyst can be formed by heat treating a supported chromium precursor, contacting a chromium precursor with a solid support while heat treating, or heat treating a solid support and then contacting a chromium precursor with the solid support.Type: ApplicationFiled: July 19, 2022Publication date: November 3, 2022Inventors: Carlos A. Cruz, Masud M. Monwar, Max P. McDaniel, Jared Barr, Kathy S. Clear, William C. Ellis
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Publication number: 20220306773Abstract: A pre-catalyst composition comprising: a) a silica support comprising silica wherein an amount of silica is in a range of from about 70 wt. % to about 95 wt. % based upon a total weight of the silica support; b) a titanium-containing compound wherein an amount of titanium is in a range of from about 0.1 wt. % to about 10 wt. % based upon the total weight of the silica support; c) a chromium-containing compound wherein an amount of chromium is in a range of from about 0.1 wt. % to about 10 wt. % based upon the total weight of the silica support; d) a surfactant wherein the surfactant comprises a non-ionic surfactant, a cationic surfactant, or a combination thereof; e) a carboxylate wherein the carboxylate comprises a multi carboxylate, an alpha-hydroxy carboxylate, or a combination thereof; and f) a solvent.Type: ApplicationFiled: June 6, 2022Publication date: September 29, 2022Inventors: Max P. MCDANIEL, Kathy S. CLEAR, William C. ELLIS, Deloris R. GAGAN
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Patent number: 11440865Abstract: Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed, and these processes include the steps of forming a supported chromium catalyst comprising chromium in a hexavalent oxidation state, irradiating the hydrocarbon reactant and the supported chromium catalyst with a light beam at a wavelength in the UV-visible spectrum to reduce at least a portion of the supported chromium catalyst to form a reduced chromium catalyst, and hydrolyzing the reduced chromium catalyst to form a reaction product comprising the alcohol compound and/or the carbonyl compound. The supported chromium catalyst can be formed by heat treating a supported chromium precursor, contacting a chromium precursor with a solid support while heat treating, or heat treating a solid support and then contacting a chromium precursor with the solid support.Type: GrantFiled: October 14, 2021Date of Patent: September 13, 2022Assignee: Chevron Phillips Chemical Company, LPInventors: Carlos A. Cruz, Masud M. Monwar, Max P. McDaniel, Jared L. Barr, Kathy S. Clear, William C. Ellis
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Patent number: 11440864Abstract: Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed, and these processes include the steps of irradiating the hydrocarbon reactant and a supported chromium catalyst comprising chromium in a hexavalent oxidation state with a light beam at a wavelength in the UV-visible spectrum to reduce at least a portion of the supported chromium catalyst to form a reduced chromium catalyst, and hydrolyzing the reduced chromium catalyst to form a reaction product comprising the alcohol compound and/or the carbonyl compound. In addition, these processes can further comprise a step of calcining all or a portion of the reduced chromium catalyst to regenerate the supported chromium catalyst.Type: GrantFiled: July 12, 2021Date of Patent: September 13, 2022Assignee: Chevron Phillips Chemical Company, LPInventors: Max P. McDaniel, Carlos A. Cruz, Masud M. Monwar, Jared L. Barr, William C. Ellis
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Patent number: 11384171Abstract: A pre-catalyst composition comprising: a) a silica support comprising silica wherein an amount of silica is in a range of from about 70 wt. % to about 95 wt. % based upon a total weight of the silica support; b) a titanium-containing compound wherein an amount of titanium is in a range of from about 0.1 wt. % to about 10 wt. % based upon the total weight of the silica support; c) a chromium-containing compound wherein an amount of chromium is in a range of from about 0.1 wt. % to about 10 wt. % based upon the total weight of the silica support; d) a surfactant wherein the surfactant comprises a non-ionic surfactant, a cationic surfactant, or a combination thereof, e) a carboxylate wherein the carboxylate comprises a multi carboxylate, an alpha-hydroxy carboxylate, or a combination thereof, and f) a solvent.Type: GrantFiled: September 13, 2021Date of Patent: July 12, 2022Assignee: Chevron Phillips Chemical Company LPInventors: Max P. McDaniel, Kathy S. Clear, William C. Ellis, Deloris R. Gagan
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Patent number: 11338278Abstract: Catalyst preparation systems and methods for preparing reduced chromium catalysts are disclosed, and can comprise irradiating a supported chromium catalyst containing hexavalent chromium with a light beam having a wavelength within the UV-visible light spectrum. Such reduced chromium catalysts have improved catalytic activity compared to chromium catalysts reduced by other means. The use of the reduced chromium catalyst in polymerization reactor systems and olefin polymerization processes also is disclosed, resulting in polymers with a higher melt index.Type: GrantFiled: September 8, 2021Date of Patent: May 24, 2022Assignee: Chevron Phillips Chemical Company LPInventors: Kathy S. Clear, Max P. McDaniel, William C. Ellis, Eric D. Schwerdtfeger, Deloris R. Gagan, Carlos A. Cruz, Masud M. Monwar
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Patent number: 11325996Abstract: A method comprising contacting a silica support with a titanium-containing solution to form a titanated silica support, wherein the titanium-containing solution comprises a titanium compound, a solvent, and an amino acid. Also disclosed are olefin polymerization catalysts and pre-catalyst compositions thereof and methods of preparing olefin polymerization catalysts and pre-catalyst compositions thereof.Type: GrantFiled: June 7, 2021Date of Patent: May 10, 2022Assignee: Chevron Phillips Chemical Company LPInventors: Max P. McDaniel, Kathy S. Clear, William C. Ellis, Deloris R. Gagan
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Publication number: 20220135708Abstract: A method comprising contacting a silica support with a titanium-containing solution to form a titanated silica support, wherein the titanium-containing solution comprises a solvent; a ligand comprising a glycol, a carboxylate, a peroxide, or a combination thereof, and a titanium compound having the formula Ti(acac)2(OR)2, wherein “acac” is acetylacetonate and wherein each R independently is ethyl, isopropyl, n-propyl, isobutyl, or n-butyl.Type: ApplicationFiled: January 19, 2022Publication date: May 5, 2022Inventors: Max P. MCDANIEL, Kathy S. CLEAR, William C. ELLIS, Deloris R. GAGAN
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Patent number: 11267908Abstract: A method comprising contacting a silica support with a titanium-containing solution to form a titanated silica support, wherein the titanium-containing solution comprises a solvent; a ligand comprising a glycol, a carboxylate, a peroxide, or a combination thereof; and a titanium compound having the formula Ti(acac)2(OR)2, wherein “acac” is acetylacetonate and wherein each R independently is ethyl, isopropyl, n-propyl, isobutyl, or n-butyl.Type: GrantFiled: April 29, 2020Date of Patent: March 8, 2022Assignee: Chevron Phillips Chemical Company LPInventors: Max P. McDaniel, Kathy S. Clear, William C. Ellis, Deloris R. Gagan
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Patent number: 11242418Abstract: A pre-catalyst composition comprising: a) a silica support comprising silica wherein an amount of silica is in a range of from about 70 wt. % to about 95 wt. % based upon a total weight of the silica support; b) a titanium-containing compound wherein an amount of titanium is in a range of from about 0.1 wt. % to about 20 wt. % based upon a total weight of the silica within the pre-catalyst composition; c) a chromium-containing compound wherein an amount of chromium is in a range of from about 0.01 wt. % to about 10 wt. % based upon a total weight of the silica within the pre-catalyst composition; d) a surfactant wherein the surfactant comprises a non-ionic surfactant, a cationic surfactant, or a combination thereof; e) a carboxylate wherein the carboxylate comprises a multi carboxylate, an alpha-hydroxy carboxylate, or a combination thereof; and f) a solvent.Type: GrantFiled: November 5, 2020Date of Patent: February 8, 2022Assignee: Chevron Phillips Chemical Company LPInventors: Max P. McDaniel, Kathy S. Clear, William C. Ellis, Deloris R. Gagan
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Patent number: 11242417Abstract: A method for an olefin polymerization catalyst comprises contacting a silica support or a chromium-silica support with titanium to produce a Cr/Si—Ti catalyst. A titanium-containing solution is used to facilitate the association of titanium with the support, wherein the titanium-containing solution is formed by contacting a solvent, an amino acid, optionally a peroxide, optionally a carboxylate and a titanium-containing compound. A method for preparation of an olefin polymerization catalyst comprises contacting a chromium-silica support with the titanium-containing solution under conditions suitable to form a pre-catalyst composition and further processing the pre-catalyst composition to produce a Cr/Si—Ti catalyst.Type: GrantFiled: April 29, 2020Date of Patent: February 8, 2022Assignee: Chevron Phillips Chemical Company LPInventors: Max P. McDaniel, Kathy S. Clear, William C. Ellis, Deloris R. Gagan
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Patent number: 11242416Abstract: A method comprising contacting a silica support with a titanium-containing solution to form a titanated silica support, wherein the titanium-containing solution comprises a titanium compound, a solvent, and an amino acid. The method further comprising drying the titanated silica support to form a pre-catalyst composition; contacting a chromium-containing compound with the silica support, the titanated silica support, the pre-catalyst composition, or combinations thereof; and calcining the pre-catalyst composition to form an olefin polymerization catalyst.Type: GrantFiled: June 12, 2019Date of Patent: February 8, 2022Assignee: Chevron Phillips Chemical Company LPInventors: Max P. McDaniel, Kathy S. Clear, William C. Ellis, Deloris R. Gagan
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Publication number: 20220033332Abstract: Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed, and these processes include the steps of forming a supported chromium catalyst comprising chromium in a hexavalent oxidation state, irradiating the hydrocarbon reactant and the supported chromium catalyst with a light beam at a wavelength in the UV-visible spectrum to reduce at least a portion of the supported chromium catalyst to form a reduced chromium catalyst, and hydrolyzing the reduced chromium catalyst to form a reaction product comprising the alcohol compound and/or the carbonyl compound. The supported chromium catalyst can be formed by heat treating a supported chromium precursor, contacting a chromium precursor with a solid support while heat treating, or heat treating a solid support and then contacting a chromium precursor with the solid support.Type: ApplicationFiled: October 14, 2021Publication date: February 3, 2022Inventors: Carlos A. Cruz, Masud M. Monwar, Max P. McDaniel, Jared L. Barr, Kathy S. Clear, William C. Ellis