Patents by Inventor Kevin R. Gross
Kevin R. Gross 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: 11299568Abstract: A system and method for charging a chromium-based catalyst to a mix vessel; introducing a reducing agent through an entrance arrangement into the mix vessel, and agitating a mixture of the chromium-based catalyst, the reducing agent, and a solvent in the mix vessel to promote contact of the reducing agent with the chromium-based catalyst to give a reduced chromium-based catalyst.Type: GrantFiled: November 10, 2020Date of Patent: April 12, 2022Assignee: Univation Technologies, LLCInventors: John H. Moorhouse, Kevin J. Cann, Mark G. Goode, Kevin R. Gross
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Publication number: 20210070902Abstract: A unimodal ethylene-co-1-butene copolymer that, when in melted form at 190 degrees Celsius, is characterized by a unique melt property space defined by combination of shear thinning and melt elasticity properties. A blown film consisting essentially of the unimodal ethylene-co-1-butene copolymer. A method of synthesizing the unimodal ethylene-co-1-butene copolymer. A method of making the blown film. A manufactured article comprising the unimodal ethylene-co-1-butene copolymer.Type: ApplicationFiled: May 8, 2019Publication date: March 11, 2021Inventors: Bo Liu, Yi Zhang, Ayush A. Bafna, François Alexandre, Kevin R. Gross
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Publication number: 20210054123Abstract: A system and method for charging a chromium-based catalyst to a mix vessel; introducing a reducing agent through an entrance arrangement into the mix vessel, and agitating a mixture of the chromium-based catalyst, the reducing agent, and a solvent in the mix vessel to promote contact of the reducing agent with the chromium-based catalyst to give a reduced chromium-based catalyst.Type: ApplicationFiled: November 10, 2020Publication date: February 25, 2021Applicant: Univation Technologies, LLCInventors: John H. Moorhouse, Kevin J. Cann, Mark G. Goode, Kevin R. Gross
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Publication number: 20210016252Abstract: A method including contacting a chromium-based catalyst with a reducing agent in a solvent to lower an oxidation state of at least some chromium in the chromium-based catalyst to give a reduced chromium-based catalyst, drying the reduced chromium-based catalyst at a temperature, and adjusting the temperature to affect the flow index response of the reduced chromium-based catalyst.Type: ApplicationFiled: October 7, 2020Publication date: January 21, 2021Applicant: Univation Technologies, LLCInventors: Kevin J. Cann, Mark G. Goode, Kevin R. Gross, John H. Moorhouse
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Patent number: 10870720Abstract: A system and method for charging a chromium-based catalyst to a mix vessel; introducing a reducing agent through an entrance arrangement into the mix vessel, and agitating a mixture of the chromium-based catalyst, the reducing agent, and a solvent in the mix vessel to promote contact of the reducing agent with the chromium-based catalyst to give a reduced chromium-based catalyst.Type: GrantFiled: September 20, 2019Date of Patent: December 22, 2020Assignee: Univation Technologies, LLCInventors: John H. Moorhouse, Kevin J. Cann, Mark G. Goode, Kevin R. Gross
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Patent number: 10835890Abstract: A method including contacting a chromium-based catalyst with a reducing agent in a solvent to lower an oxidation state of at least some chromium in the chromium-based catalyst to give a reduced chromium-based catalyst, drying the reduced chromium-based catalyst at a temperature, and adjusting the temperature to affect the flow index response of the reduced chromium-based catalyst.Type: GrantFiled: September 1, 2015Date of Patent: November 17, 2020Assignee: Univation Technologies, LLCInventors: Kevin J. Cann, Mark G. Goode, Kevin R. Gross, John H. Moorhouse
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Patent number: 10745501Abstract: A system and method for feeding a chromium-based catalyst to a polymerization reactor; adding a reducing agent to the chromium-based catalyst, and polymerizing an olefin into a polyolefin in the polymerization reactor in the presence of the chromium-based catalyst.Type: GrantFiled: August 31, 2018Date of Patent: August 18, 2020Assignee: Univation Technologies, LLCInventors: Kevin R. Gross, Kevin J. Cann, Mark G. Goode, John H. Moorhouse
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Publication number: 20200010590Abstract: A system and method for charging a chromium-based catalyst to a mix vessel; introducing a reducing agent through an entrance arrangement into the mix vessel, and agitating a mixture of the chromium-based catalyst, the reducing agent, and a solvent in the mix vessel to promote contact of the reducing agent with the chromium-based catalyst to give a reduced chromium-based catalyst.Type: ApplicationFiled: September 20, 2019Publication date: January 9, 2020Applicant: Univation Technologies, LLCInventors: John H. Moorhouse, Kevin J. Cann, Mark G. Goode, Kevin R. Gross
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Patent number: 10465026Abstract: A system and method for charging a chromium-based catalyst to a mix vessel; introducing a reducing agent through an entrance arrangement into the mix vessel, and agitating a mixture of the chromium-based catalyst, the reducing agent, and a solvent in the mix vessel to promote contact of the reducing agent with the chromium-based catalyst to give a reduced chromium-based catalyst.Type: GrantFiled: September 1, 2015Date of Patent: November 5, 2019Assignee: Univation Technologies, LLCInventors: John H. Moorhouse, Kevin J. Cann, Mark G. Goode, Kevin R. Gross
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Patent number: 10266618Abstract: Modified chromium-based catalyst compositions for olefin polymerization are disclosed. The modifiers prevent or reduce catalyst particle aggregation providing improved catalyst particle dispersion and consistent flow index response of the compositions in olefin polymerization.Type: GrantFiled: November 23, 2015Date of Patent: April 23, 2019Assignee: Univation Technologies, LLCInventors: Kevin J. Cann, John H. Moorhouse, Parul A. Khokhani, Tomas T. Tamargo, Kevin R. Gross, Mark G. Goode
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Publication number: 20190062475Abstract: A system and method for feeding a chromium-based catalyst to a polymerization reactor; adding a reducing agent to the chromium-based catalyst, and polymerizing an olefin into a polyolefin in the polymerization reactor in the presence of the chromium-based catalyst.Type: ApplicationFiled: August 31, 2018Publication date: February 28, 2019Applicant: Univation Technologies, LLCInventors: Kevin R. Gross, Kevin J. Cann, Mark G. Goode, John H. Moorhouse
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Patent number: 10196466Abstract: A system and method for feeding a chromium-based catalyst to a polymerization reactor; adding a reducing agent to the chromium-based catalyst, and polymerizing an olefin into a polyolefin in the polymerization reactor in the presence of the chromium-based catalyst.Type: GrantFiled: September 1, 2015Date of Patent: February 5, 2019Assignee: Univation Technologies, LLCInventors: Kevin R. Gross, Kevin J. Cann, Mark G. Goode, John H. Moorhouse
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Publication number: 20180327521Abstract: Modified chromium-based catalyst compositions for olefin polymerization are disclosed. The modifiers prevent or reduce catalyst particle aggregation providing improved catalyst particle dispersion and consistent flow index response of the compositions in olefin polymerization.Type: ApplicationFiled: November 23, 2015Publication date: November 15, 2018Applicant: Univation Technologies, LLCInventors: Kevin J. Cann, John H. Moorhouse, Parul A. Khokhani, Tomas T. Tamargo, Kevin R. Gross, Mark G. Goode
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Publication number: 20180223021Abstract: A system and method for feeding a chromium-based catalyst to a polymerization reactor; adding a reducing agent to the chromium-based catalyst, and polymerizing an olefin into a polyolefin in the polymerization reactor in the presence of the chromium-based catalyst.Type: ApplicationFiled: September 1, 2015Publication date: August 9, 2018Applicant: Univation Technologies, LLCInventors: Kevin R. Gross, Kevin J. Cann, Mark G. Goode, John H. Moorhouse
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Publication number: 20180223020Abstract: A system and method for charging a chromium-based catalyst to a mix vessel; introducing a reducing agent through an entrance arrangement into the mix vessel, and agitating a mixture of the chromium-based catalyst, the reducing agent, and a solvent in the mix vessel to promote contact of the reducing agent with the chromium-based catalyst to give a reduced chromium-based catalyst.Type: ApplicationFiled: September 1, 2015Publication date: August 9, 2018Applicant: Univation Technologies, LLCInventors: John H. Moorhouse, Kevin J. Cann, Mark G. Goode, Kevin R. Gross
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Publication number: 20170327609Abstract: Modified chromium-based catalyst compositions for olefin polymerization are disclosed. The modifiers prevent or reduce catalyst particle aggregation providing improved catalyst particle dispersion and consistent flow index response of the compositions in olefin polymerization.Type: ApplicationFiled: November 23, 2015Publication date: November 16, 2017Applicant: Univation Technologies, LLCInventors: Kevin J. Cann, John H. Moorhouse, Parul A. Khokhani, Tomas T. Tamargo, Kevin R. Gross, Mark G. Goode
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Publication number: 20170274356Abstract: A method including contacting a chromium-based catalyst with a reducing agent in a solvent to lower an oxidation state of at least some chromium in the chromium-based catalyst to give a reduced chromium-based catalyst, drying the reduced chromium-based catalyst at a temperature, and adjusting the temperature to affect the flow index response of the reduced chromium-based catalyst.Type: ApplicationFiled: September 1, 2015Publication date: September 28, 2017Applicant: Univation Technologies, LLCInventors: Kevin J. Cann, Mark G. Goode, Kevin R. Gross, John H. Moorhouse
