Patents by Inventor Connor D. Boxell
Connor D. Boxell 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: 20230415127Abstract: A method comprising a) drying a support material comprising silica at temperature in the range of from about 150° C. to about 220° C. to form a dried support; b) contacting the dried support with methanol to form a slurried support; c) subsequent to b), cooling the slurried support to a temperature of less than about 60° C. to form a cooled slurried support; d) subsequent to c), contacting the cooled slurried support with a titanium alkoxide to form a titanated support; and e) thermally treating the titanated support by heating to a temperature of equal to or greater than about 150° C. for a time period of from about 5 hours to about 30 hours to remove the methanol and yield a dried titanated support.Type: ApplicationFiled: September 6, 2023Publication date: December 28, 2023Inventors: Jeremy M. PRAETORIUS, Eric D. SCHWERDTFEGER, Max P. MCDANIEL, Ted H. CYMBALUK, Connor D. BOXELL, Alan L. SOLENBERGER, Kathy S. CLEAR
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Patent number: 11801490Abstract: A method comprising a) drying a support material comprising silica at temperature in the range of from about 150° C. to about 220° C. to form a dried support; b) contacting the dried support with methanol to form a slurried support; c) subsequent to b), cooling the slurried support to a temperature of less than about 60° C. to form a cooled slurried support; d) subsequent to c), contacting the cooled slurried support with a titanium alkoxide to form a titanated support; and e) thermally treating the titanated support by heating to a temperature of equal to or greater than about 150° C. for a time period of from about 5 hours to about 30 hours to remove the methanol and yield a dried titanated support.Type: GrantFiled: March 21, 2022Date of Patent: October 31, 2023Assignee: Chevron Phillips Chemical Company LPInventors: Jeremy M. Praetorius, Eric D. Schwerdtfeger, Max P. McDaniel, Ted H. Cymbaluk, Connor D. Boxell, Alan L Solenberger, Kathy S. Clear
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Publication number: 20230192909Abstract: Sulfated bentonite compositions are characterized by a total pore volume from 0.4 to 1 mL/g, a total BET surface area from 200 to 400 m2/g, and an average pore diameter from 55 to 100 Angstroms. The sulfated bentonite compositions also can be characterized by a d50 average particle size in a range from 15 to 50 µm and a ratio of d90/d10 from 3 to 15. The sulfated bentonite compositions can contain a sulfated bentonite and from 10 to 90 wt. % of colloidal particles, or the sulfated bentonite compositions can contain a sulfated bentonite and from 0.2 to 10 mmol/g of zinc and/or phosphorus. These compositions can be utilized in metallocene catalyst systems to produce ethylene based polymers.Type: ApplicationFiled: December 13, 2022Publication date: June 22, 2023Inventors: Max P. McDaniel, Qing Yang, Ryan N. Rose, Kathy S. Clear, Graham R. Lief, Eric D. Schwerdtfeger, Anand Ramanathan, Jeremy M. Praetorius, Connor D. Boxell
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Publication number: 20220203333Abstract: A method comprising a) drying a support material comprising silica at temperature in the range of from about 150° C. to about 220° C. to form a dried support; b) contacting the dried support with methanol to form a slurried support; c) subsequent to b), cooling the slurried support to a temperature of less than about 60° C. to form a cooled slurried support; d) subsequent to c), contacting the cooled slurried support with a titanium alkoxide to form a titanated support; and e) thermally treating the titanated support by heating to a temperature of equal to or greater than about 150° C. for a time period of from about 5 hours to about 30 hours to remove the methanol and yield a dried titanated support.Type: ApplicationFiled: March 21, 2022Publication date: June 30, 2022Inventors: Jeremy M. PRAETORIUS, Eric D. SCHWERDTFEGER, Max P. MCDANIEL, Ted H. CYMBALUK, Connor D. BOXELL, Alan L. SOLENBERGER, Kathy S. CLEAR
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Patent number: 11331650Abstract: A method comprising a) drying a support material comprising silica at temperature in the range of from about 150° C. to about 220° C. to form a dried support; b) contacting the dried support with methanol to form a slurried support; c) subsequent to b), cooling the slurried support to a temperature of less than about 60° C. to form a cooled slurried support; d) subsequent to c), contacting the cooled slurried support with a titanium alkoxide to form a titanated support; and e) thermally treating the titanated support by heating to a temperature of equal to or greater than about 150° C. for a time period of from about 5 hours to about 30 hours to remove the methanol and yield a dried titanated support.Type: GrantFiled: December 31, 2018Date of Patent: May 17, 2022Assignee: Chevron Phillips Chemical Company LPInventors: Jeremy M. Praetorius, Eric D. Schwerdtfeger, Max P. McDaniel, Ted H. Cymbaluk, Connor D. Boxell, Alan L. Solenberger, Kathy S. Clear
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Publication number: 20190134610Abstract: A method comprising a) drying a support material comprising silica at temperature in the range of from about 150° C. to about 220° C. to form a dried support; b) contacting the dried support with methanol to form a slurried support; c) subsequent to b), cooling the slurried support to a temperature of less than about 60° C. to form a cooled slurried support; d) subsequent to c), contacting the cooled slurried support with a titanium alkoxide to form a titanated support; and e) thermally treating the titanated support by heating to a temperature of equal to or greater than about 150° C. for a time period of from about 5 hours to about 30 hours to remove the methanol and yield a dried titanated support.Type: ApplicationFiled: December 31, 2018Publication date: May 9, 2019Inventors: Jeremy M. PRAETORIUS, Eric D. SCHWERDTFEGER, Max P. MCDANIEL, Ted H. CYMBALUK, Connor D. BOXELL, Alan L. SOLENBERGER, Kathy S. CLEAR
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Patent number: 10213766Abstract: A method comprising a) drying a support material comprising silica at temperature in the range of from about 150° C. to about 220° C. to form a dried support; b) contacting the dried support with methanol to form a slurried support; c) subsequent to b), cooling the slurried support to a temperature of less than about 60° C. to form a cooled slurried support; d) subsequent to c), contacting the cooled slurried support with a titanium alkoxide to form a titanated support; and e) thermally treating the titanated support by heating to a temperature of equal to or greater than about 150° C. for a time period of from about 5 hours to about 30 hours to remove the methanol and yield a dried titanated support.Type: GrantFiled: September 18, 2015Date of Patent: February 26, 2019Assignee: Chevron Phillips Chemical Company LPInventors: Jeremy M. Praetorius, Eric D. Schwerdtfeger, Max P. McDaniel, Ted H. Cymbaluk, Connor D. Boxell, Alan L. Solenberger, Kathy S. Clear
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Patent number: 10118975Abstract: Disclosed herein are catalyst compositions containing bicyclic bridged metallocene compounds. These catalyst compositions can be used for the polymerization of olefins. For example, ethylene polymers produced using these catalyst compositions can be characterized by low molecular weights and high melt flow rates, and can be produced without the addition of hydrogen.Type: GrantFiled: August 10, 2017Date of Patent: November 6, 2018Assignee: Chevron Phillips Chemical Company LPInventors: Jeremy M. Praetorius, Qing Yang, Connor D. Boxell, Tony R. Crain
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Patent number: 10112965Abstract: Disclosed herein are catalyst compositions containing bicyclic bridged metallocene compounds. These catalyst compositions can be used for the polymerization of olefins. For example, ethylene polymers produced using these catalyst compositions can be characterized by low molecular weights and high melt flow rates, and can be produced without the addition of hydrogen.Type: GrantFiled: August 2, 2017Date of Patent: October 30, 2018Assignee: Chevron Phillips Chemical Company LPInventors: Jeremy M. Praetorius, Qing Yang, Connor D. Boxell, Tony R. Crain
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Publication number: 20170342173Abstract: Disclosed herein are catalyst compositions containing bicyclic bridged metallocene compounds. These catalyst compositions can be used for the polymerization of olefins. For example, ethylene polymers produced using these catalyst compositions can be characterized by low molecular weights and high melt flow rates, and can be produced without the addition of hydrogen.Type: ApplicationFiled: August 10, 2017Publication date: November 30, 2017Inventors: Jeremy M. Praetorius, Qing Yang, Connor D. Boxell, Tony R. Crain
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Publication number: 20170342099Abstract: Disclosed herein are catalyst compositions containing bicyclic bridged metallocene compounds. These catalyst compositions can be used for the polymerization of olefins. For example, ethylene polymers produced using these catalyst compositions can be characterized by low molecular weights and high melt flow rates, and can be produced without the addition of hydrogen.Type: ApplicationFiled: August 2, 2017Publication date: November 30, 2017Inventors: Jeremy M. Praetorius, Qing Yang, Connor D. Boxell, Tony R. Crain
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Patent number: 9796798Abstract: A method comprising a) calcining a silica support at temperature in the range of from about 100° C. to about 500° C. to form a precalcined silica support; b) contacting the precalcined silica support with a titanium alkoxide to form a titanated support; c) subsequent to b), contacting the titanated support with a polyol to form a polyol associated titanated support (PATS); d) contacting at least one of the silica support, pre-calcined silica support, the titanated support, the PATS, or combinations thereof with a chromium-containing compound to form a polymerization catalyst precursor; e) drying the polymerization catalyst precursor to form a dried polymerization catalyst precursor; and f) calcining the dried polymerization catalyst precursor to produce a polymerization catalyst, wherein less than about 0.1 wt. % of a highly reactive volatile organic compound (HRVOC) is emitted during the calcining of the dried polymerization catalyst precursor.Type: GrantFiled: September 30, 2016Date of Patent: October 24, 2017Assignee: Chevron Phillips Chemical Company, LPInventors: Jeremy M. Praetorius, Eric D. Schwerdtfeger, Max P. McDaniel, Ted H. Cymbaluk, Connor D. Boxell, Kathy S. Collins, Alan L. Solenberger
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Patent number: 9758540Abstract: Disclosed herein are catalyst compositions containing bicyclic bridged metallocene compounds. These catalyst compositions can be used for the polymerization of olefins. For example, ethylene polymers produced using these catalyst compositions can be characterized by low molecular weights and high melt flow rates, and can be produced without the addition of hydrogen.Type: GrantFiled: May 25, 2016Date of Patent: September 12, 2017Assignee: Chevron Phillips Chemical Company LPInventors: Jeremy M. Praetorius, Qing Yang, Connor D. Boxell, Tony R. Crain
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Patent number: 9758600Abstract: Disclosed herein are catalyst compositions containing bicyclic bridged metallocene compounds. These catalyst compositions can be used for the polymerization of olefins. For example, ethylene polymers produced using these catalyst compositions can be characterized by low molecular weights and high melt flow rates, and can be produced without the addition of hydrogen.Type: GrantFiled: March 22, 2017Date of Patent: September 12, 2017Assignee: Chevron Phillips Chemical Company LPInventors: Jeremy M. Praetorius, Qing Yang, Connor D. Boxell, Tony R. Crain
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Publication number: 20170080406Abstract: A method comprising a) drying a support material comprising silica at temperature in the range of from about 150° C. to about 220° C. to form a dried support; b) contacting the dried support with methanol to form a slurried support; c) subsequent to b), cooling the slurried support to a temperature of less than about 60° C. to form a cooled slurried support; d) subsequent to c), contacting the cooled slurried support with a titanium alkoxide to form a titanated support; and e) thermally treating the titanated support by heating to a temperature of equal to or greater than about 150° C. for a time period of from about 5 hours to about 30 hours to remove the methanol and yield a dried titanated support.Type: ApplicationFiled: September 18, 2015Publication date: March 23, 2017Inventors: Jeremy M. PRAETORIUS, Eric D. SCHWERDTFEGER, Max P. MCDANIEL, Ted H. CYMBALUK, Connor D. BOXELL, Alan L. SOLENBERGER, Kathy S. CLEAR
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Patent number: 9587048Abstract: A method comprising a) calcining a silica support at temperature in the range of from about 100° C. to about 500° C. to form a precalcined silica support; b) contacting the precalcined silica support with a titanium alkoxide to form a titanated support; c) subsequent to b), contacting the titanated support with a polyol to form a polyol associated titanated support (PATS); d) contacting at least one of the silica support, pre-calcined silica support, the titanated support, the PATS, or combinations thereof with a chromium-containing compound to form a polymerization catalyst precursor; e) drying the polymerization catalyst precursor to form a dried polymerization catalyst precursor; and f) calcining the dried polymerization catalyst precursor to produce a polymerization catalyst, wherein less than about 0.1 wt. % of a highly reactive volatile organic compound (HRVOC) is emitted during the calcining of the dried polymerization catalyst precursor.Type: GrantFiled: April 29, 2015Date of Patent: March 7, 2017Assignee: Chevron Phillips Chemical Company LPInventors: Jeremy M. Praetorius, Eric D. Schwerdtfeger, Max P. McDaniel, Ted H. Cymbaluk, Connor D. Boxell, Kathy S. Collins, Alan L. Solenberger
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Publication number: 20170015764Abstract: A method comprising a) calcining a silica support at temperature in the range of from about 100° C. to about 500° C. to form a precalcined silica support; b) contacting the precalcined silica support with a titanium alkoxide to form a titanated support; c) subsequent to b), contacting the titanated support with a polyol to form a polyol associated titanated support (PATS); d) contacting at least one of the silica support, pre-calcined silica support, the titanated support, the PATS, or combinations thereof with a chromium-containing compound to form a polymerization catalyst precursor; e) drying the polymerization catalyst precursor to form a dried polymerization catalyst precursor; and f) calcining the dried polymerization catalyst precursor to produce a polymerization catalyst, wherein less than about 0.1 wt. % of a highly reactive volatile organic compound (HRVOC) is emitted during the calcining of the dried polymerization catalyst precursor.Type: ApplicationFiled: September 30, 2016Publication date: January 19, 2017Inventors: Jeremy M. Praetorius, Eric D. Schwerdtfeger, Max P. McDaniel, Ted H. Cymbaluk, Connor D. Boxell, Kathy S. Collins, Alan L. Solenberger
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Publication number: 20160319052Abstract: A method comprising a) calcining a silica support at temperature in the range of from about 100° C. to about 500° C. to form a precalcined silica support; b) contacting the precalcined silica support with a titanium alkoxide to form a titanated support; c) subsequent to b), contacting the titanated support with a polyol to form a polyol associated titanated support (PATS); d) contacting at least one of the silica support, pre-calcined silica support, the titanated support, the PATS, or combinations thereof with a chromium-containing compound to form a polymerization catalyst precursor; e) drying the polymerization catalyst precursor to form a dried polymerization catalyst precursor; and f) calcining the dried polymerization catalyst precursor to produce a polymerization catalyst, wherein less than about 0.1 wt. % of a highly reactive volatile organic compound (HRVOC) is emitted during the calcining of the dried polymerization catalyst precursor.Type: ApplicationFiled: April 29, 2015Publication date: November 3, 2016Inventors: Jeremy M. Praetorius, Eric D. Schwerdtfeger, Max P. McDaniel, Ted H. Cymbaluk, Connor D. Boxell, Kathy S. Collins, Alan L. Solenberger