Patents by Inventor Robert D. Froese
Robert D. Froese 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: 9296836Abstract: Provided is a non-cyclopentadienyl-based chromium-ligand complex, preferably a chromium-ligand complex of formula (J): LCr(RA)m(D)k (J), wherein L is a non-Cp monoanionic ligand; Cr (chromium) is in a formal oxidation state of +3 or +2; when Cr formally is Cr+3, either m is 1 and RA is hydrocarbylene (a hydrocarbylene chromium-ligand complex of formula (J)) or m is 2 and each RA independently is hydrocarbyl (a dihydrocarbyl chromium-ligand complex of formula (J)), wherein each hydrocarbyl or hydrocarbylene of RA independently is unsubstituted or substituted by from 1 to 5 RAS; each RAS independently is a neutral aprotic heteroalkyl, neutral aprotic heterocycloalkyl, neutral aprotic heteroaryl, or neutral aprotic aryl; when Cr formally is Cr+2, m is 1 and RA is hydrocarbyl (a hydrocarbyl chromium-ligand complex of formula (J)); k is an integer of 0 or 1; D is absent when k is 0 or D is a neutral ligand when k is 1; wherein the chromium-ligand complex of formula (J) is overall neutral and lacks a cyclopentadienType: GrantFiled: May 11, 2012Date of Patent: March 29, 2016Inventors: Matthew D. Christianson, Timothy S. De Vries, Robert D. Froese, Matthias S. Ober, Jasson T. Patton, Duane R. Romer, Gordon R. Roof, Lixin Sun, Endre Szuromi, Curt N. Theriault, Dean M. Welsh, Timothy T. Wenzel, Paul H. Moran
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Patent number: 9246108Abstract: The invention provides a composition comprising at least one compound selected from the following Formulas A, B1, B2, B3, B4 or C: or a combination thereof (C). For each formula, the R groups are described herein.Type: GrantFiled: March 14, 2013Date of Patent: January 26, 2016Assignee: Dow Global Technologies LLCInventors: Matthias S. Ober, Robert D. Froese
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Publication number: 20150148502Abstract: Provided is a non-cyclopentadienyl-based chromium-ligand complex, preferably a chromium-ligand complex of formula (J): LCr(RA)m(D)k (J), wherein L is a non-Cp monoanionic ligand; Cr (chromium) is in a formal oxidation state of +3 or +2; when Cr formally is Cr+3, either m is 1 and RA is hydrocarbylene (a hydrocarbylene chromium-ligand complex of formula (J)) or m is 2 and each RA independently is hydrocarbyl (a dihydrocarbyl chromium-ligand complex of formula (J)), wherein each hydrocarbyl or hydrocarbylene of RA independently is unsubstituted or substituted by from 1 to 5 RAS; each RAS independently is a neutral aprotic heteroalkyl, neutral aprotic heterocycloalkyl, neutral aprotic heteroaryl, or neutral aprotic aryl; when Cr formally is Cr+2, m is 1 and RA is hydrocarbyl (a hydrocarbyl chromium-ligand complex of formula (J)); k is an integer of 0 or 1; D is absent when k is 0 or D is a neutral ligand when k is 1; wherein the chromium-ligand complex of formula (J) is overall neutral and lacks a cyclopentadienType: ApplicationFiled: May 11, 2012Publication date: May 28, 2015Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Matthew D. Christianson, Timothy S. De Vries, Robert D. Froese, Matthias S. Ober, Jasson T. Patton, Duane R. Romer, Gordon R. Roof, Lixin Sun, Endre Szuromi, Curt N. Theriault, Dean M. Welsh, Timothy T. Wenzel, Paul H. Moran
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Patent number: 9000120Abstract: Epoxy adhesive compositions contain a heat-activatable catalyst. The heat-activatable catalyst includes a tertiary amine catalyst and a novolac resin that has a weight average molecular weight of at least 3000. One-component epoxy adhesive formulations that contain the heat-activatable catalyst have unexpectedly good storage stability.Type: GrantFiled: June 27, 2011Date of Patent: April 7, 2015Assignee: Dow Global Technologies LLCInventors: Ming Ming, Shaoguang Feng, Yan Fei Liu, Andreas Lutz, Robert D. Froese, Glenn G. Eagle, Gary L. Jialanella, Eric E. Cole, Michael R. Golden
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Patent number: 9000108Abstract: The present invention generally relates to a process that selectively polymerizes ethylene in the presence of an alpha-olefin, and to a metal-ligand complex (precatalyst) and catalyst useful in such processes, and to related compositions. The present invention also generally relates to ligands and intermediates useful for preparing the metal-ligand complex and to processes of their preparation.Type: GrantFiled: November 11, 2013Date of Patent: April 7, 2015Assignee: Dow Global Technologies LLCInventors: Jerzy Klosin, Pulikkottil J. Thomas, Robert D. Froese, Xiuhua Cui
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Patent number: 8993692Abstract: A process for polymerizing ethylene to produce an ethylene-based polymer including contacting ethylene with a Ziegler-Natta procatalyst, an alkylaluminum cocatalyst and a self limiting agent selected from the group of aliphatic, cycloaliphatic, substituted cycloaliphatic or aromatic esters, anhydrides and amides such that the self limiting agent reduces polymerization rates to no greater than 40% of the polymerization rate in the absence of the self limiting agent at temperatures equal to or greater than 120° C. is provided.Type: GrantFiled: June 29, 2011Date of Patent: March 31, 2015Assignee: Dow Global Technologies LLCInventors: Robert J. Jorgensen, Sean W. Ewart, Richard E. Campbell, Jr., Daryoosh Beigzadeh, Robert D. Froese, Peter M. Margl
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Publication number: 20140183413Abstract: The invention provides a composition comprising at least one compound selected from the following Formulas A, B1, B2, B3, B4 or C: or a combination thereof (C). For each formula, the R groups are described herein.Type: ApplicationFiled: March 14, 2013Publication date: July 3, 2014Applicant: Dow Global Technologies LLCInventors: Matthias S. Ober, Robert D. Froese
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Publication number: 20140163186Abstract: The present invention generally relates to a process that selectively polymerizes ethylene in the presence of an alpha-olefin, and to a metal-ligand complex (precatalyst) and catalyst useful in such processes, and to related compositions. The present invention also generally relates to ligands and intermediates useful for preparing the metal-ligand complex and to processes of their preparation.Type: ApplicationFiled: November 11, 2013Publication date: June 12, 2014Applicant: Dow Global Technologies LLCInventors: Jerzy Klosin, Pulikkottil J. Thomas, Robert D. Froese, Xiuhua Cui
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Patent number: 8609794Abstract: The present invention generally relates to a process that selectively polymerizes ethylene in the presence of an alpha-olefin, and to a metal-ligand complex (precatalyst) and catalyst useful in such processes, and to related compositions. The present invention also generally relates to ligands and intermediates useful for preparing the metal-ligand complex and to processes of their preparation.Type: GrantFiled: May 11, 2011Date of Patent: December 17, 2013Assignee: Dow Global Technologies, LLC.Inventors: Jerzy Klosin, Pulikkottil J. Thomas, Robert D. Froese, Xiuhua Cui
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Patent number: 8609853Abstract: 4-Amino-3-chloro-5-fluoro-6-(substituted)picolinates are conveniently prepared from 3,4,5,6-tetrachloropicolinonitrile by a series of steps involving fluorine exchange, amination, reaction with hydrazine, halogenation, hydrolysis and esterification, and transition metal assisted coupling.Type: GrantFiled: January 24, 2012Date of Patent: December 17, 2013Assignee: Dow AgroSciences, LLC.Inventors: Yuanming Zhu, Gregory T. Whiteker, James M. Renga, Robert D. Froese, Cynthia Arndt
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Publication number: 20130248830Abstract: The invention provides a film comprising at least two layers, Layer A and Layer B, and wherein Layer(A) is formed from a Composition A comprising at least one compound selected from Formula A: wherein Np is selected from 1-naphthyl or 2-naphthyl, and wherein each R is described herein; and wherein Layer B is formed from a Composition B comprising at least one “HTL compound;” and wherein Layer A is not adjacent to Layer B. The invention also provides a composition comprising at least one compound selected from Formula A: wherein each R is described herein, and wherein the compound has a Tg greater than, or equal to, 115° C.Type: ApplicationFiled: March 14, 2013Publication date: September 26, 2013Applicants: Rohm and Haas Electronic Materials Korea Ltd., Dow Global Technologies LLCInventors: Dean M. Welsh, Mark E. Ondari, Moo-Keun Chee, Bong-Ok Kim, Robert D. Froese, Matthew M. Meyer, Hyuck-Joo Kwon, Kyung-Hoon Choi, Young-Jun Cho
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Patent number: 8450438Abstract: Metal complexes of polyvalent aryloxyethers appropriately substituted with sterically bulky substituents possess enhanced solubility in aliphatic and cycloaliphatic hydrocarbons and/or when employed as catalyst components for the polymerization of ethylene/?-olefin copolymers, produce products having reduced I10/I2 values.Type: GrantFiled: April 24, 2007Date of Patent: May 28, 2013Assignee: Dow Global Technologies, LLCInventors: Nermeen W. Aboelella, Robert D. Froese, David D. Graf, Wayde V. Konze, Pulikkottil J. Thomas
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Publication number: 20130131289Abstract: A process for polymerizing ethylene to produce an ethylene-based polymer including contacting ethylene with a Ziegler-Natta procatalyst, an alkylaluminum cocatalyst and a self limiting agent selected from the group of aliphatic, cycloaliphatic, substituted cycloaliphatic or aromatic esters, anhydrides and amides such that the self limiting agent reduces polymerization rates to no greater than 40% of the polymerization rate in the absence of the self limiting agent at temperatures equal to or greater than 120° C. is provided.Type: ApplicationFiled: June 29, 2011Publication date: May 23, 2013Applicant: Dow Global Technologies LLCInventors: Robert J. Jorgensen, Sean W. Ewart, Richard E. Campbell, JR., Daryoosh Beigzadeh, Robert D. Froese, Peter M. Margl
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Publication number: 20130090431Abstract: Epoxy adhesive compositions contain a heat-activatable catalyst. The heat-activatable catalyst includes a tertiary amine catalyst and a novolac resin that has a weight average molecular weight of at least 3000. One-component epoxy adhesive formulations that contain the heat-activatable catalyst have unexpectedly good storage stability.Type: ApplicationFiled: June 27, 2011Publication date: April 11, 2013Inventors: Ming Ming, Shaoguang Feng, Yan Fei Liu, Andreas Lutz, Robert D. Froese, Glenn G. Eagle, Gary L. Jialanella, Eric E. Cole, Michael R. Golden
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Publication number: 20120190858Abstract: 4-Amino-3-chloro-5-fluoro-6-(substituted)picolinates are conveniently prepared from 3,4,5,6-tetrachloropicolinonitrile by a series of steps involving fluorine exchange, amination, reaction with hydrazine, halogenation, hydrolysis and esterification, and transition metal assisted coupling.Type: ApplicationFiled: January 24, 2012Publication date: July 26, 2012Applicant: DOW AGROSCIENCES LLCInventors: Yuanming Zhu, Gregory T. Whiteker, Kim E. Arndt, Cynthia Arndt, James M. Renga, Robert D. Froese
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Publication number: 20120108770Abstract: Metal complexes of polyvalent aryloxyethers appropriately substituted with sterically bulky substituents possess enhanced solubility in aliphatic and cycloaliphatic hydrocarbons and/or when employed as catalyst components for the polymerization of ethylene/?-olefin copolymers, produce products having reduced I10/I2 values.Type: ApplicationFiled: April 24, 2007Publication date: May 3, 2012Applicant: DOW GLOBAL TECHNOLOGIES, INC.Inventors: Nermeen W. Aboelella, Robert D. Froese, David D. Graf, Wayde V. Konze, Pulikkottil J. Thomas
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Publication number: 20110282018Abstract: The present invention generally relates to a process that selectively polymerizes ethylene in the presence of an alpha-olefin, and to a metal-ligand complex (precatalyst) and catalyst useful in such processes, and to related compositions. The present invention also generally relates to ligands and intermediates useful for preparing the metal-ligand complex and to processes of their preparation.Type: ApplicationFiled: May 11, 2011Publication date: November 17, 2011Inventors: Jerzy Klosin, Pulikkottil J. Thomas, Robert D. Froese, Xiuhua Cui
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Patent number: 6562921Abstract: A catalyst precursor compound useful for the polymerization of olefins. The compound comprises a metal atom and two &pgr;-bonded aromatic ring systems which are bridged by being linked to adjacent members of a ring structure in cis fashion.Type: GrantFiled: October 12, 2001Date of Patent: May 13, 2003Assignee: Univation Technologies, LLCInventors: Timothy T. Wenzel, Robert D. Froese, Thomas Henry Peterson