Patents by Inventor Harold W. Boone
Harold W. Boone 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: 20240092952Abstract: Processes of polymerizing olefin monomers.Type: ApplicationFiled: January 25, 2022Publication date: March 21, 2024Applicant: Dow Global Technologies LLCInventors: David M. Pearson, Yi Jin, Alfred E. Vigil, JR., Brian M. Habersberger, Lisa S. Madenjian, Harold W. Boone
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Patent number: 11898015Abstract: A process to form coated polymer particles comprising polymer particles formed from a polymer composition comprising an olefin-based polymer, and a coating formed from a coating composition comprising an aqueous metal acid dispersion and an aqueous polysiloxane emulsion, said process comprising the following: mixing together the aqueous metal acid dispersion and the aqueous polysiloxane emulsion to form a dispersion/emulsion mixture; applying the dispersion/emulsion mixture to a portion of the surfaces of the polymer particles to form wet-coated polymer particles; drying the wet-coated polymer particles to form the coated polymer particles. The aqueous metal acid dispersion and the aqueous polysiloxane emulsion may also be applied, individually, in separate steps.Type: GrantFiled: June 28, 2019Date of Patent: February 13, 2024Assignee: Dow Global Technologies LLCInventors: Shrikant Dhodapkar, Remi A. Trottier, George W. Haun, Jr., Harold W. Boone, Intan M. Hamdan, Michael D. Turner
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Publication number: 20210363310Abstract: A process to form coated polymer particles comprising polymer particles formed from a polymer composition comprising an olefin-based polymer, and a coating formed from a coating composition comprising an aqueous metal acid dispersion and an aqueous polysiloxane emulsion, said process comprising the following: mixing together the aqueous metal acid dispersion and the aqueous polysiloxane emulsion to form a dispersion/emulsion mixture; applying the dispersion/emulsion mixture to a portion of the surfaces of the polymer particles to form wet-coated polymer particles; drying the wet-coated polymer particles to form the coated polymer particles. The aqueous metal acid dispersion and the aqueous polysiloxane emulsion may also be applied, individually, in separate steps.Type: ApplicationFiled: June 28, 2019Publication date: November 25, 2021Inventors: Shrikant Dhodapkar, Remi A. Trottler, George W. Haun, Harold W. Boone, Intan M. Hamdan, Michael D. Turner
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Patent number: 11136427Abstract: A process to form a first composition comprising a functionalized olefin-based polymer comprises: a) polymerizing a composition comprising an olefin to form a reaction product comprising an olefin-based polymer; b) subjecting at least a portion of the reaction product to at least one devolatilization to form a polymer-rich melt, wherein step b) occurs downstream from and in-line with step a); and c) reacting at least a portion of the polymer-rich melt with at least one functionalization agent and, optionally, at least one free-radical initiator to form the first composition, wherein step c) occurs downstream from and in-line with step b), wherein “the viscosity of the functionalized olefin-based polymer (177° C./350° F.)” to “the viscosity of the olefin-based polymer (177° C./350° F.)” is from 0.1 to 5.0.Type: GrantFiled: September 22, 2016Date of Patent: October 5, 2021Assignee: Dow Global Technologies LLCInventors: Shrikant Dhodapkar, Gregory E. Johnson, Rennisha R. Wickham, Santosh S. Bawiskar, Guang Ming Li, Harold W. Boone
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Patent number: 11059913Abstract: A process to form an olefin-based polymer, said process comprising at least the following steps: a) polymerizing a reaction mixture comprising an olefin, in at least one reactor, in a solution polymerization, to form a polymer solution; b) feeding at least a portion of the polymer solution through at least one devolatilizer, to form the olefin-based polymer, in melt form; c) feeding at least a portion of the olefin-based polymer, in melt, form through a heat exchanger, and then into a pastillation apparatus to form polymer particles.Type: GrantFiled: July 2, 2018Date of Patent: July 13, 2021Assignee: Dow Global Technologies LLCInventors: Michael J. Zogg, Jr., Santosh S. Bawiskar, Yi Jin, Daniel S. Rynearson, Harold W. Boone, Kate R. Brown, Barry D. Kluge, Jr.
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Publication number: 20200131282Abstract: A process to form an olefin-based polymer, said process comprising at least the following steps: a) polymerizing a reaction mixture comprising an olefin, in at least one reactor, in a solution polymerization, to form a polymer solution; b) feeding at least a portion of the polymer solution through at least one devolatilizer, to form the olefin-based polymer, in melt form; c) feeding at least a portion of the olefin-based polymer, in melt, form through a heat exchanger, and then into a pastillation apparatus to form polymer particles.Type: ApplicationFiled: July 2, 2018Publication date: April 30, 2020Inventors: Michael J. Zogg, JR., Santosh S. Bawiskar, Yi Jin, Daniel S. Rynearson, Harold W. Boone, Kate R. Brown, Barry D. Kluge, JR.
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Publication number: 20180258209Abstract: A process to form a first composition comprising a functionalized olefin-based polymer comprises: a) polymerizing a composition comprising an olefin to form a reaction product comprising an olefin-based polymer; b) subjecting at least a portion of the reaction product to at least one devolatilization to form a polymer-rich melt, wherein step b) occurs downstream from and in-line with step a); and c) reacting at least a portion of the polymer-rich melt with at least one functionalization agent and, optionally, at least one free-radical initiator to form the first composition, wherein step c) occurs downstream from and in-line with step b), wherein “the viscosity of the functionalized olefin-based polymer (177° C./350° F.)” to “the viscosity of the olefin-based polymer (177° C./350° F.)” is from 0.1 to 5.0.Type: ApplicationFiled: September 22, 2016Publication date: September 13, 2018Inventors: Shrikant Dhodapkar, Gregory E. Johnson, Rennisha R. Wickham, Santosh S. Bawiskar, Guang Ming Li, Harold W. Boone
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Patent number: 9821288Abstract: An apparatus and method for delivery of additives(s), e.g., catalyst, co-catalyst, scavengers, and/or other reaction- or product-modifying agents, to a reaction or mixing site, such as a reaction vessel, offers the capability for multi-additive delivery and customization of additive selection, flow and flow rate, and if desired, mixing thereof, without production train shutdowns. The invention includes at least two additive sources that are detachably connected, with conduit, to the reaction or mixing site, and a process control means, preferably automated, that is capable of initiating, terminating, and determining the rate of flow from the additive sources.Type: GrantFiled: April 19, 2013Date of Patent: November 21, 2017Assignee: DOW GLOBAL TECHNOLOGIES LLCInventors: Frank J. Cerk, Pradeep Jain, Jr., Michelle D. Dirk, Harold W Boone
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Patent number: 9181368Abstract: Group 4 metal complexes comprising a polyvalent, heteroaryl donor ligand and their use as components of olefin polymerization catalysts, especially suited for preparing propylene copolymer products having high isotacticity and low molecular weight, are disclosed.Type: GrantFiled: November 7, 2013Date of Patent: November 10, 2015Assignee: Dow Global Technologies LLCInventors: Harold W. Boone, Kevin A. Frazier, Daniel D. VanderLende, Paul C. Vosejpka
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Publication number: 20150231590Abstract: An apparatus and method for delivery of additives(s), e.g., catalyst, co-catalyst, scavengers, and/or other reaction- or product-modifying agents, to a reaction or mixing site, such as a reaction vessel, offers the capability for multi-additive delivery and customization of additive selection, flow and flow rate, and if desired, mixing thereof, without production train shutdowns. The invention includes at least two additive sources that are detachably connected, with conduit, to the reaction or mixing site, and a process control means, preferably automated, that is capable of initiating, terminating, and determining the rate of flow from the additive sources.Type: ApplicationFiled: April 19, 2013Publication date: August 20, 2015Inventors: Frank J. Cerk, Pradeep Jain, Michelle D. Dirk, Harold W. Boone
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Publication number: 20140066585Abstract: Group 4 metal complexes comprising a polyvalent, heteroaryl donor ligand and their use as components of olefin polymerization catalysts, especially suited for preparing propylene copolymer products having high isotacticity and low molecular weight, are disclosed.Type: ApplicationFiled: November 7, 2013Publication date: March 6, 2014Applicant: Dow Global Technologies LLCInventors: Harold W. Boone, Kevin A. Frazier, Daniel D. VanderLende, Paul C. Vosejpka
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Patent number: 8604145Abstract: Group 4 metal complexes comprising a polyvalent, heteroaryl donor ligand and their use as components of olefin polymerization catalysts, especially suited for preparing propylene/ethylene copolymer products having high isotacticity and low molecular weight, are disclosed.Type: GrantFiled: January 13, 2012Date of Patent: December 10, 2013Assignee: Dow Global Technologies, LLCInventors: Harold W. Boone, Kevin A. Frazier, Daniel D. VanderLende, Paul C. Vosejpka
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Patent number: 8580976Abstract: The invention relates to a process for preparing a stable 2-substituted benzofuran-3-yl borate ester corresponding to the formula: said process comprising contacting 3-bromo-2-substituted-benzofuran corresponding to the formula: with an C1-4 alkyllithium at a temperature less than ?60° C. to form 3-lithio-2-substititued-benzofuran, contacting the 3-lithio-2-substituted- benzofuran at a temperature less than ?60° C. with an borate ester corresponding to the formula: and recovering the resulting borate ester product, wherein, RW' is C1-4 alkyl; Rx is C1-10 hydrocarbyl or halohydrocarbyl; and RY independently each occurrence is C1-10 hydrocarbyl, halohydrocarbyl or trialkylsilylhydrocarbyl or 2 RY groups together are a divalent hydrocarbylene of up to 20 carbons.Type: GrantFiled: November 26, 2012Date of Patent: November 12, 2013Assignee: Dow Global Technologies, LLCInventors: Paul C. Vosejpka, Harold W. Boone, Kevin A. Frazier, Carl N. Iverson
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Patent number: 8362265Abstract: Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed.Type: GrantFiled: March 29, 2007Date of Patent: January 29, 2013Assignee: Dow Global Technologies, LLCInventors: Paul C. Vosejpka, Harold W. Boone, Kevin A. Frazier, Carl N. Iverson
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Patent number: 8299189Abstract: A catalyst composition comprising a zirconium complex of a polyvalent aryloxyether and the use thereof in a continuous solution polymerization of ethylene, one or more C3-30 olefins, and a conjugated or nonconjugated diene to prepare interpolymers having improved processing properties are disclosed.Type: GrantFiled: April 24, 2007Date of Patent: October 30, 2012Assignee: Dow Global Technologies, LLCInventors: Harold W. Boone, Carl N. Iverson, Wayde V. Konze, Daniel D. VanderLende
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Publication number: 20120116035Abstract: Group 4 metal complexes comprising a polyvalent, heteroaryl donor ligand and their use as components of olefin polymerization catalysts, especially suited for preparing propylene/ethylene copolymer products having high isotacticity and low molecular weight, are disclosed.Type: ApplicationFiled: January 13, 2012Publication date: May 10, 2012Applicant: Dow Global Technologies LLCInventors: Harold W. Boone, Kevin A. Frazier, Daniel D. VanderLende, Paul C. Vosejpka
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Publication number: 20120101241Abstract: A catalyst composition comprising a zirconium complex of a polyvalent aryloxyether and the use thereof in a continuous solution polymerization of ethylene, one or more C3-30 olefins, and a conjugated or nonconjugated diene to prepare interpolymers having improved processing properties are disclosed.Type: ApplicationFiled: April 24, 2007Publication date: April 26, 2012Inventors: Harold W Boone, Carl N. Iverson, Wayde V. Konze, Daniel D. VanderLende
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Patent number: 8148482Abstract: A process for forming tactic polymers employing at least one olefin polymerization catalyst comprising a non-racemic mixture of the R- and S-enantiomers of a metal complex containing at least one asymmetrically substituted (chiral) carbon atom, and a chain shuttling agent, a polar aprotic organic compound, or both a chain shuttling agent and a polar aprotic organic compound.Type: GrantFiled: May 1, 2008Date of Patent: April 3, 2012Assignee: Dow Global Technologies LLCInventors: Vincenzo Busico, Harold W. Boone, James C. Stevens, Francesca Alfano, Roberta Cipullo
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Patent number: 8129487Abstract: A process for forming a high molecular weight, multi-block copolymer comprising two or more chemically distinguishable segments or blocks, the process comprising polymerizing one or more olefin monomers in the presence of a chain shuttling agent and a catalyst composition comprising two or more olefin polymerization catalysts capable of preparing polymers having differing chemical or physical properties under equivalent polymerization conditions, or a catalyst composition comprising at least one olefin polymerization catalyst containing multiple active catalyst sites capable of preparing polymers having differing chemical or physical properties.Type: GrantFiled: May 1, 2008Date of Patent: March 6, 2012Assignee: Dow Global Technologies LLCInventors: Vincenzo Busico, Francesca Alfano, Harold W. Boone, Roberta Cipullo, James C. Stevens
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Patent number: 8119748Abstract: Group 4 metal complexes comprising a polyvalent, heteroaryl donor ligand and their use as components of olefin polymerization catalysts, especially suited for preparing propylene/ethylene copolymer products having high isotacticity and low molecular weight, are disclosed.Type: GrantFiled: September 8, 2006Date of Patent: February 21, 2012Assignee: Dow Global Technologies LLCInventors: Harold W. Boone, Kevin A. Frazier, Daniel D. VanderLende, Paul C. Vosejpka