Patents by Inventor David H. McConville
David H. McConville 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: 20180171049Abstract: Methods for making a high density polyethylene composition are provided. The methods can include contacting ethylene and at least one non-ethylene comonomer with a catalyst system in a gas phase reactor in the presence of hydrogen at an ethylene partial pressure of 100 psi or more to produce a polyethylene copolymer. In one or more embodiments, the catalyst system can include one or more bis amides. The resulting polyethylene copolymer can have a density of about 0.945 g/cm3 or more; a melt index (I2) of about 5 dg/min to about 50 dg/min; a melt index ratio (I21/I2) of about 20 to about 35; and a molecular weight distribution of about 3.0 to about 10.Type: ApplicationFiled: November 8, 2017Publication date: June 21, 2018Inventors: Ching-Tai Lue, Phillip T. Matsunaga, David H. McConville, Tae Hoon Kwalk
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Patent number: 7754840Abstract: The present invention is directed to a bimodal polyethylene comprising ethylene derived units and units derived from at least one of a C4 to C12 olefin; wherein the polyethylene has a density of from 0.940 to 0.970 g/cm3; an I21/I2 of 80 or more; a residual Group 4 metal content of 2.0 ppm or less: a Mw/Mn of from 20 to 60; and wherein the polyethylene comprises a high molecular weight component and a low molecular weight component, the high molecular weight component present from 40 to 60 weight percent based on the total polyethylene, and wherein the bimodal polyethylene has a weight avenge molecular weight Mw of 180,000 a.m.u. or more.Type: GrantFiled: August 6, 2003Date of Patent: July 13, 2010Assignee: Univation Technologies, LLCInventors: Donald R. Loveday, David H. McConville, John F. Szul, Kersten Anne Erickson, Simon Mawson, Tae Hoon Kwack, Frederick J. Karol, David James Schreck
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Patent number: 7638671Abstract: The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a heteroaryl-amine compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene.Type: GrantFiled: June 27, 2008Date of Patent: December 29, 2009Assignee: ExxonMobil Chemical Patents Inc.Inventors: David H. McConville, Lily Ackerman, Robert T. Li, Xiaohong Bei, Matthew C. Kuchta, Tom Boussie, John F. Walzer, Jr., Gary Diamond, Francis C. Rix, Keith A. Hall, Anne LaPointe, James Longmire, Vince Murphy, Pu Sun, Dawn Verdugo, Susan Schofer, Eric Dias
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Patent number: 7638670Abstract: The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a pyridyl amine or a heteroaryl-amine compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene.Type: GrantFiled: August 8, 2008Date of Patent: December 29, 2009Assignee: ExxonMobil Chemical Patents Inc.Inventors: David H. McConville, Lily Ackerman, Robert T. Li, Xiaohong Bei, Matthew C. Kuchta, Tom Boussie, John F. Walzer, Jr., Gary Diamond, Francis C. Rix, Keith A. Hall, Anne LaPointe, James Longmire, Vince Murphy, Pu Sun, Dawn Verdugo, Susan Schofer, Eric Dias
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Publication number: 20080293899Abstract: The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a pyridyl amine or a heteroaryl-amine compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene.Type: ApplicationFiled: August 8, 2008Publication date: November 27, 2008Inventors: David H. McConville, Lily Ackerman, Robert T. Li, Xiahong Bei, Matthew C. Kuchta, Tom Boussie, John F. Walzer, JR., Gary Diamond, Francis C. Rix, Keith A. Hall, Anne LaPointe, James Longmire, Vince Murphy, Pu Sun, Dawn Verdugo, Susan Schofer, Eric Dias
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Publication number: 20080269443Abstract: The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a heteroaryl-amine compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene.Type: ApplicationFiled: June 27, 2008Publication date: October 30, 2008Inventors: David H. McConville, Lily Ackerman, Robert T. Li, Xiaohong Bei, Mathew C. Kuchta, Tom Boussie, John F. Walzer, Gary Diamond, Francis C. Rix, Keith A. Hall, Anne LaPointe, James Longmire, Vince Murphy, Pu Sun, Dawn Verdugo, Susan Schofer, Eric Dias
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Patent number: 7425661Abstract: The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a pyridyl amine or a heteroaryl-amine compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene.Type: GrantFiled: March 9, 2006Date of Patent: September 16, 2008Assignee: ExxonMobil Chemicals Patents Inc.Inventors: David H. McConville, Lily Ackerman, Robert T. Li, Xiaohong Bei, Matthew C. Kuchta, Tom Boussie, John F. Walzer, Jr., Gary Diamond, Francis C. Rix, Keith A. Hall, Anne LaPointe, James Longmire, Vince Murphy, Pu Sun, Dawn Verdugo, Susan Schofer, Eric Dias
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Patent number: 7414006Abstract: The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a heteroaryl-amine compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene.Type: GrantFiled: March 9, 2006Date of Patent: August 19, 2008Assignee: ExxonMobil Chemical Patents Inc.Inventors: David H. McConville, Lily Ackerman, Robert T. Li, Xiaohong Bei, Matthew C. Kuchta, Tom Boussie, John F. Walzer, Jr., Gary Diamond, Francis C. Rix, Keith A. Hall, Anne LaPointe, James Longmire, Vince Murphy, Pu Sun, Dawn Verdugo, Susan Schofer, Eric Dias
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Patent number: 7399874Abstract: This invention relates to a catalyst compound represented by the formula: wherein: M is a Group 3 to 12 transition metal; each Ra is, independently, a hydrogen, a hydrocarbyl group, a substituted hydrocarbyl group or halogen; each of R1, R2, R3, R4, R5, R7, R8, R9, R10, and R11 is, independently a hydrogen, a hydrocarbyl group, a substituted hydrocarbyl group or halogen; R6 is hydrogen, a hydrocarbyl group, or a substituted hydrocarbyl group; x is 0, 1, 2, 3 or 4; and each Z is, independently, a group 15 atom. This invention also relates to catalyst systems comprising the above catalyst compound and a activator and the use of such catalyst systems to polymerize monomers, including olefin monomers.Type: GrantFiled: September 8, 2005Date of Patent: July 15, 2008Assignee: ExxonMobil Chemical Patents Inc.Inventors: Matthew C. Kuchta, David H. McConville
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Patent number: 7217676Abstract: This invention relates to a catalyst support comprising the result of the combination of: (a) a support comprising hydroxyl groups; (b) a capping agent comprising a boron containing Lewis acid; and (c) an ionic activator, wherein at least some of the capping agent does not form a support bound activator.Type: GrantFiled: January 16, 2004Date of Patent: May 15, 2007Assignee: Exxon Mobil Chemical Patents Inc.Inventors: George Rodriguez, Anthony N. Speca, Matthew C. Kuchta, David H. McConville, Terry J. Burkhardt
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Patent number: 7067686Abstract: Disclosed are methods of producing di-, tri- or tetrabenzyl-metal compounds comprising combining a metal salt with a (benzyl)nMgX2-n compound at from less than 30° C., wherein n is 1 or 2 and X is a monoanionic group; wherein the combining takes place in a diluent mixture comprising from 0 to 80% by volume of an ether diluent and a diluent selected from the group consisting of aromatic diluents, halogenated hydrocarbon diluents, and mixtures thereof. The methods are characterized by employing various mixtures of diluents, and in some cases, minimal to no ether diluent.Type: GrantFiled: July 21, 2005Date of Patent: June 27, 2006Assignee: Univation Technologies, LLCInventors: George Rodriguez, David Arthur Cano, David H. McConville, Frank C. Rix
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Patent number: 6956089Abstract: The invention provides for polymerization catalyst compositions, and for methods for introducing the catalyst compositions into a polymerization reactor. More particularly, the method combines a catalyst component containing slurry and a catalyst component containing solution to form the completed catalyst composition for introduction into the polymerization reactor. The invention is also directed to methods of preparing the catalyst component slurry, the catalyst component solution and the catalyst compositions, to methods of controlling the properties of polymer products utilizing the catalyst compositions, and to polymers produced therefrom.Type: GrantFiled: February 24, 2003Date of Patent: October 18, 2005Assignee: Univation Technologies, LLCInventors: Simon Mawson, Sun-Chueh Kao, Tae Hoon Kwalk, Timothy Roger Lynn, David H. McConville, Matthew Gary McKee, John Francis Szul, Kersten Anne Terry, Timothy T. Wenzel, Mark Gregory Goode, John Henry Oskam, Robert J. Jorgensen, Robert Harold Vogel
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Patent number: 6956094Abstract: The invention provides for polymerization catalyst compositions, and for methods for introducing the catalyst compositions into a polymerization reactor. More particularly, the method combines a catalyst component containing slurry and a catalyst component containing solution to form the completed catalyst composition for introduction into the polymerization reactor. The invention is also directed to methods of preparing the catalyst component slurry, the catalyst component solution and the catalyst compositions, to methods of controlling the properties of polymer products utilizing the catalyst compositions, and to polymers produced therefrom.Type: GrantFiled: February 5, 2004Date of Patent: October 18, 2005Assignee: Univation Technologies, LLCInventors: Simon Mawson, Sun-Chueh Kao, Tae Hoon Kwalk, Timothy Roger Lynn, David H. McConville, Matthew Gary McKee, John Francis Szul, Kersten Anne Terry, Timothy T. Wenzel, Mark Gregory Goode, John Henry Oskam, Robert J. Jorgensen, Robert Harold Vogel
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Patent number: 6894128Abstract: Catalyst compositions and methods useful in polymerization processes utilizing at least two metal compounds are disclosed. At least one of the metal compounds is a Group 15 containing metal compound and the other metal compound is preferably a bulky ligand metallocene-type catalyst. The invention also discloses a new polyolefin, generally polyethylene, particularly a multimodal polymer and more specifically, a bimodal polymer, and its use in various end-use applications such as film, molding and pipe. The Group 15 containing metal compound is represented in one embodiment by the formulae: wherein M is a Group 4, 5, or 6 metal; each X is independently a leaving group; y is 0 or 1; n is the oxidation state of M; m is the formal change of the ligand comprising the YZL or YZL? groups; L is a Group 15 or 16 element; L? is a Group 15 or 16 element or Group 14 containing group; Y is a Group 15 element; Z is a Group 15 element; and the other groups are as defined herein.Type: GrantFiled: August 5, 2003Date of Patent: May 17, 2005Assignee: Univation Technologies, LLCInventors: Donald R. Loveday, David H. McConville, John F. Szul, Kersten Anne Erickson, Simon Mawson, Tae Hoon Kwack, Frederick J. Karol, David James Schreck
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Patent number: 6855839Abstract: This invention relates to a composition of matter represented by the formula below, and to a polymerization process comprising combining an olefin in the gas or slurry phase with an activator, a support and a compound represented by the following formula: wherein M is a group 3 to 14 metal, each X is independently an anionic leaving group, n is the oxidation state of M, m is the formal charge of the YZL ligand, Y is a group 15 element, Z is a group 15 element, L is a group 15 or 16 element, R1 and R2 are independently a C, to C20 hydrocarbon group, a heteroatom containing group, silicon, germanium, tin, lead, phosphorus, a halogen, R1 and R2 may also be interconnected to each other, R3 is absent, or is hydrogen, a group 14 atom containing group, a halogen, a heteroatom containing group, R4 and R5 are independently an aryl group, a substituted aryl group, a cyclic alkyl group, a substituted cyclic alkyl group, or multiple ring system, R6 and R7 are independently absent or hydrogen, halogen, a heteroatom oType: GrantFiled: May 24, 2001Date of Patent: February 15, 2005Inventors: David H. McConville, Richard R. Schrock
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Patent number: 6846886Abstract: The invention provides for polymerization catalyst compositions, and for methods for introducing the catalyst compositions into a polymerization reactor. More particularly, the method combines a catalyst component containing slurry and a catalyst component containing solution to form the completed catalyst composition for introduction into the polymerization reactor. The invention is also directed to methods of preparing the catalyst component slurry, the catalyst component solution and the catalyst compositions, to methods of controlling the properties of polymer products utilizing the catalyst compositions, and to polymers produced therefrom.Type: GrantFiled: February 24, 2003Date of Patent: January 25, 2005Assignee: Univation Technologies, LLCInventors: Simon Mawson, Sun-Chueh Kao, Tae Hoon Kwalk, Timothy Roger Lynn, David H. McConville, Matthew Gary McKee, John Francis Szul, Kersten Anne Terry, Timothy T. Wenzel, Mark Gregory Goode, John Henry Oskam, Robert J. Jorgensen, Robert Harold Vogel
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Patent number: 6841631Abstract: Catalyst compositions and methods, useful in polymerization processes, utilizing at least two metal compounds are disclosed. At least one of the metal compounds is a Group 15 containing metal compound and the other metal compound is preferably a bulky ligand metallocene-type catalyst. The invention also discloses a new polyolefin, generally polyethylene, particularly a multimodal polymer and more specifically, a bimodal polymer, and its use in various end-use applications such as film, molding and pipe.Type: GrantFiled: August 1, 2003Date of Patent: January 11, 2005Assignee: Univation Technologies, LLCInventors: Donald R. Loveday, David H. McConville, John F. Szul, Kersten Anne Erickson, Simon Mawson, Tae Hoon Kwack, Frederick J. Karol, David James Schreck
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Publication number: 20040254312Abstract: The invention provides for polymerization catalyst compositions, and for methods for introducing the catalyst compositions into a polymerization reactor. More particularly, the method combines a catalyst component containing slurry and a catalyst component containing solution to form the completed catalyst composition for introduction into the polymerization reactor. The invention is also directed to methods of preparing the catalyst component slurry, the catalyst component solution and the catalyst compositions, to methods of controlling the properties of polymer products utilizing the catalyst compositions, and to polymers produced therefrom.Type: ApplicationFiled: February 5, 2004Publication date: December 16, 2004Inventors: Simon Mawson, Sun-Chueh Kao, Tae Hoon Kwalk, Timothy Roger Lynn, David H. McConville, Matthew Gary McKee, John Francis Szul, Kersten Anne Terry, Timothy T. Wenzel, Mark Gregory Goode, John Henry Oskam, Robert J. Jorgensen, Robert Harold Vogel
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Patent number: RE41785Abstract: The present invention relates to a Group 15 containing metal catalyst compound having a substituted hydrocarbon leaving group, a catalyst system and a supported catalyst system thereof and to a process for polymerizing olefin(s) utilizing them.Type: GrantFiled: February 12, 2004Date of Patent: September 28, 2010Assignee: Univation Technologies, LLCInventor: David H. McConville
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Patent number: RE41897Abstract: Catalyst compositions and methods, useful in polymerization processes, utilizing at least two metal compounds are disclosed. At least one of the metal compounds is a Group 15 containing metal compound and the other metal compound is preferably a bulky ligand metallocene-type catalyst. The invention also discloses a new polyolefin, generally polyethylene, particularly a multimodal polymer and more specifically, a bimodal polymer, and its use in various end-use applications such as film, molding and pipe.Type: GrantFiled: January 20, 2004Date of Patent: October 26, 2010Assignee: Univation Technologies, LLCInventors: Donald R. Loveday, David H. McConville, John F. Szul, Kersten Anne Terry, Simon Mawson, Tae Hoon Kwalk, Frederick J. Karol, David James Schreck