Patents by Inventor Phuong Cao
Phuong Cao 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: 11485802Abstract: A spray-dried zirconocene catalyst system comprising a zirconocene catalyst and a hydrophobic fumed silica, which supports the zirconocene catalyst. A spray-drying method of making same. Polyolefins; methods of making and using same; and articles containing same.Type: GrantFiled: March 22, 2019Date of Patent: November 1, 2022Assignee: Dow Global Technologies LLCInventors: Wesley R. Mariott, Roger L. Kuhlman, Phuong A. Cao, C. Dale Lester, Chuan He, Swapnil B. Chandak, Pradeep Jain, John F. Szul
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Patent number: 11325928Abstract: A modified spray-dried Ziegler-Natta (pro)catalyst system comprising a Ziegler-Natta (pro)catalyst, a carrier material, and a tetrahydrofuran/ethanol modifier; polyolefins; methods of making and using same; and articles containing same.Type: GrantFiled: December 3, 2018Date of Patent: May 10, 2022Inventors: Wesley R. Mariott, C. Dale Lester, Phuong A. Cao, Michael D. Awe, Nitin Borse
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Patent number: 11248066Abstract: Methods of making spray-dried Ziegler-Natta (pro)catalyst systems containing titanium Ziegler-Natta (pro)catalysts, a hydrophobic silica carrier material, and tetrahydrofuran. The spray-dried Ziegler-Natta (pro)catalyst systems made by the method. Methods of polymerizing olefin (co)monomer(s) with the spray-dried Ziegler-Natta catalyst system to make polyolefin polymers, and the polyolefin polymers made thereby.Type: GrantFiled: June 7, 2019Date of Patent: February 15, 2022Assignee: Univation Technologies, LLCInventors: Ian M. Munro, Wesley R. Mariott, C. Dale Lester, Nitin Borse, Michael D. Awe, Phuong A. Cao, Jesse C. Beilhart
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Patent number: 11193008Abstract: A method for increasing the melt strength of a polyolefin polymer composition is provided. The method includes mixing a first polyolefin composition derived from at least one olefin polymerization catalyst (a) and at least one olefin polymerization catalyst (b) with a second polyolefin composition derived from the at least one olefin polymerization catalyst (b) or from at least one olefin polymerization catalyst (c), and obtaining the polyolefin polymer composition.Type: GrantFiled: March 23, 2018Date of Patent: December 7, 2021Assignee: ExxonMobil Chemical Patents Inc.Inventors: Ching-Tai Lue, Mark K. Davis, Wesley R. Mariott, Daniel P. Zilker, Phuong A. Cao
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Publication number: 20210230317Abstract: Methods of making spray-dried Ziegler-Natta (pro)catalyst systems containing titanium Ziegler-Natta (pro)catalysts, a hydrophobic silica carrier material, and tetrahydrofuran. The spray-dried Ziegler-Natta (pro)catalyst systems made by the method. Methods of polymerizing olefin (co)monomer(s) with the spray-dried Ziegler-Natta catalyst system to make polyolefin polymers, and the polyolefin polymers made thereby.Type: ApplicationFiled: June 7, 2019Publication date: July 29, 2021Inventors: Ian M. Munro, Wesley R. Mariott, C. Dale Lester, Nitin Borse, Michael D. Awe, Phuong A. Cao, Jesse C. Beilhart
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Publication number: 20210032377Abstract: A spray-dried zirconocene catalyst system comprising a zirconocene catalyst and a hydrophobic fumed silica, which supports the zirconocene catalyst. A spray-drying method of making same. Polyolefins; methods of making and using same; and articles containing same.Type: ApplicationFiled: March 22, 2019Publication date: February 4, 2021Inventors: Wesley R. Mariott, Roger L. Kuhlman, Phuong A. Cao, C. Dale Lester, Chuan He, Swapnil B. Chandak, Pradeep Jain, John F. Szul
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Publication number: 20200369693Abstract: A modified spray-dried Ziegler-Natta (pro)catalyst system comprising a Ziegler-Natta (pro)catalyst, a carrier material, and a tetrahydrofuran/ethanol modifier; polyolefins; methods of making and using same; and articles containing same.Type: ApplicationFiled: December 3, 2018Publication date: November 26, 2020Inventors: Wesley R. Mariott, C. Dale Lester, Phuong A. Cao, Michael D Awe, Nitin Borse
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Patent number: 10676589Abstract: Catalyst systems and methods for making and using the same are provided. The catalyst system can include a catalyst support, wherein the catalyst support has an average particle size of about 2 microns to about 200 microns. Nanoparticles are adhered to the catalyst support, wherein the nanoparticles have an average particle size of about 2 to about 200 nanometers. A catalyst is supported on the catalyst support.Type: GrantFiled: March 19, 2019Date of Patent: June 9, 2020Assignee: Univation Technologies, LLCInventors: Yuanqiao Rao, Ping Cai, Kevin J. Cann, F. David Hussein, Wesley R. Mariott, Phuong A. Cao
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Patent number: 10676588Abstract: Catalyst systems and methods for making and using the same are provided. The catalyst system can include a catalyst support, wherein the catalyst support has an average particle size of about 2 microns to about 200 microns. Nanoparticles are adhered to the catalyst support, wherein the nanoparticles have an average particle size of about 2 to about 200 nanometers. A catalyst is supported on the catalyst support.Type: GrantFiled: March 19, 2019Date of Patent: June 9, 2020Assignee: Univation Technologies, LLCInventors: Yuanqiao Rao, Ping Cai, Kevin J. Cann, F. David Hussein, Wesley R. Mariott, Phuong A. Cao
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Patent number: 10597509Abstract: Catalyst systems and methods for making and using the same are provided. The catalyst system can include a catalyst support, wherein the catalyst support has an average particle size of about 2 microns to about 200 microns. Nanoparticles are adhered to the catalyst support, wherein the nanoparticles have an average particle size of about 2 to about 200 nanometers. A catalyst is supported on the catalyst support.Type: GrantFiled: March 19, 2019Date of Patent: March 24, 2020Assignee: Univation Technologies, LLCInventors: Yuanqiao Rao, Ping Cai, Kevin J. Cann, F. David Hussein, Wesley R. Mariott, Phuong A. Cao
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Publication number: 20190218364Abstract: Catalyst systems and methods for making and using the same are provided. The catalyst system can include a catalyst support, wherein the catalyst support has an average particle size of about 2 microns to about 200 microns. Nanoparticles are adhered to the catalyst support, wherein the nanoparticles have an average particle size of about 2 to about 200 nanometers. A catalyst is supported on the catalyst support.Type: ApplicationFiled: March 19, 2019Publication date: July 18, 2019Applicant: Univation Technologies, LLCInventors: Yuanqiao Rao, Ping Cai, Kevin J. Cann, F. David Hussein, Wesley R. Mariott, Phuong A. Cao
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Publication number: 20190211181Abstract: Catalyst systems and methods for making and using the same are provided. The catalyst system can include a catalyst support, wherein the catalyst support has an average particle size of about 2 microns to about 200 microns. Nanoparticles are adhered to the catalyst support, wherein the nanoparticles have an average particle size of about 2 to about 200 nanometers. A catalyst is supported on the catalyst support.Type: ApplicationFiled: March 19, 2019Publication date: July 11, 2019Applicant: Univation Technologies, LLCInventors: Yuanqiao Rao, Ping Cai, Kevin J. Cann, F. David Hussein, Wesley R. Mariott, Phuong A. Cao
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Publication number: 20190211180Abstract: Catalyst systems and methods for making and using the same are provided. The catalyst system can include a catalyst support, wherein the catalyst support has an average particle size of about 2 microns to about 200 microns. Nanoparticles are adhered to the catalyst support, wherein the nanoparticles have an average particle size of about 2 to about 200 nanometers. A catalyst is supported on the catalyst support.Type: ApplicationFiled: March 19, 2019Publication date: July 11, 2019Applicant: Univation Technologies, LLCInventors: Yuanqiao Rao, Ping Cai, Kevin J. Cann, F. David Hussein, Wesley R. Mariott, Phuong A. Cao
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Patent number: 10329364Abstract: Polymerization catalyst compositions are provided as are methods of their preparation. The compositions comprise fatty amines and find advantageous use in olefin polymerization processes. The catalyst composition comprises at least one supported polymerization catalyst wherein the catalyst composition is modified with at least one fatty amine wherein the fatty amine is substantially free of particulate inorganic material.Type: GrantFiled: February 5, 2015Date of Patent: June 25, 2019Assignee: Univation Technologies, LLCInventors: Richard B. Pannell, David M. Glowczwski, Chi-I Kuo, Timothy R. Lynn, Fathi David Hussein, Phuong A. Cao, Wesley R. Mariott, Michael D. Awe
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Patent number: 10280283Abstract: Catalyst systems and methods for making and using the same are provided. The catalyst system can include a catalyst support, wherein the catalyst support has an average particle size of about 2 microns to about 200 microns. Nanoparticles are adhered to the catalyst support, wherein the nanoparticles have an average particle size of about 2 to about 200 nanometers. A catalyst is supported on the catalyst support.Type: GrantFiled: December 30, 2013Date of Patent: May 7, 2019Assignee: Univation Technologies, LLCInventors: Yuanqiao Rao, Ping Cai, Kevin J. Cann, F. David Hussein, Wesley R. Mariott, Phuong A. Cao
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Patent number: 10233270Abstract: Catalyst systems and methods for making and using the same. A method for making a catalyst support includes forming a mixture of a support material and a fluoride donor. The mixture is added to a fluidized bed reactor. The mixture is fluidized to form a fluidized bed while maintaining a flow rate of a fluidizing gas of about 0.1 ft./sec at less than about 370° C. and greater than about 0.35 ft./sec at temperatures greater than about 370° C. The mixture is calcined to decompose the fluoride donor, forming a fluorinated support.Type: GrantFiled: August 19, 2014Date of Patent: March 19, 2019Assignee: Univation Technologies, LLCInventors: John H. Moorhouse, Kevin J. Cann, Phuong A. Cao, Mark G. Goode, C. Jeff Harlan, Wesley R. Mariott
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Patent number: 10208139Abstract: Catalyst systems and methods for making and using the same. A method for making a catalyst support includes forming a mixture of a support material and a fluoride donor. The mixture is added to a fluidized bed reactor. The mixture is fluidized to form a fluidized bed while maintaining a ratio of a pressure drop across a distributor plate to a pressure drop across the fluidized bed of greater than about 7%. The mixture is calcined to decompose the fluoride donor, forming a fluorinated support.Type: GrantFiled: August 19, 2014Date of Patent: February 19, 2019Assignee: Univation Technologies, LLCInventors: John H. Moorhouse, Kevin J. Cann, Phuong A. Cao, Mark G. Goode, C. Jeff Harlan, Wesley R. Mariott
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Patent number: 10189917Abstract: Catalyst systems and methods for making and using the same. A method for making a catalyst support includes forming a mixture of a support material and a fluoride donor. The mixture is added to a fluidized bed reactor. The mixture is fluidized to form a fluidized bed with a height to diameter ratio of at least about 2.3. The mixture is calcined to decompose the fluoride donor, forming a fluorinated support.Type: GrantFiled: August 19, 2014Date of Patent: January 29, 2019Assignee: Univation Technologies, LLCInventors: John H. Moorhouse, Kevin J. Cann, Phuong A. Cao, Mark G. Goode, C. Jeff Harlan, Wesley R. Mariott
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Patent number: 10167350Abstract: Catalyst systems and methods for making and using the same are provided. The catalyst systems can include a plurality of silica particles and a metallocene catalyst and an activator supported on the plurality of silica particles. The polymerization catalysts have a particle size distribution in which about 10% of the particles have a size less than about 17 to about 23 micrometers, about 50% of the particles have a size less than about 40 to about 45 micrometers, and about 90% of the particles have a size less than about 72 to about 77 micrometers.Type: GrantFiled: December 5, 2016Date of Patent: January 1, 2019Assignee: Univation Technologies, LLCInventors: C. Dale Lester, Kevin J. Cann, Phuong A. Cao, Abarajith S. Hari, F. David Hussein, Wesley R. Mariott, John H. Moorhouse, Richard B. Pannell, Bruce J. Savatsky, Daniel P. Zilker, Jr., Mark G. Goode
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Patent number: 10035868Abstract: Continuity compositions are provided as are methods of their preparation. The compositions comprise metal carboxylate salts and fatty amines and find advantageous use in olefin polymerization processes.Type: GrantFiled: May 4, 2017Date of Patent: July 31, 2018Assignee: Univation Technologies, LLCInventors: Richard B. Pannell, David M. Glowczwski, Chi-I Kuo, Timothy R. Lynn, Fathi David Hussein, Phuong A. Cao, Wesley R. Mariott, Michael D. Awe