Patents by Inventor Richard J Keaton

Richard J Keaton 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).

  • Publication number: 20210147592
    Abstract: Embodiments of the disclosure include processes of polymerizing olefins. The process includes contacting ethylene and a (C3-C40)alpha-olefin comonomer in the presences of a catalyst system. The catalyst system comprises a procatalyst and a bimetallic activator complex. The bimetallic activator complex comprises an anion and a countercation, and the anion has a structure according to formula (I).
    Type: Application
    Filed: March 22, 2019
    Publication date: May 20, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Richard J. KEATON, Rafael HUACUJA, David R. WILSON, Jerzy KLOSIN, David M. PEARSON, Todd D. SENECAL, Sukrit MUKHOPADHYAY, William H.H. WOODWARD
  • Publication number: 20210054119
    Abstract: Embodiments of this disclosure include processes of polymerizing olefins, the process comprising contacting ethylene and a (C3-C40)alpha-olefin comonomer in the presence of a catalyst system, the catalyst system comprising a Group IV metal-ligand complex and a metallic activator ionic complex, the metallic activator ionic complex comprising an anion and a countercation, the anion having a structure according to formula (I):
    Type: Application
    Filed: March 26, 2019
    Publication date: February 25, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Todd D. Senecal, Sukrit Mukhopadhyay, Richard J. Keaton, Jerzy Klosin, Rafael Huacuja, David M. Pearson, William H.H. Woodward
  • Publication number: 20210032382
    Abstract: Embodiments of this disclosure include processes of polymerizing olefins, the process comprising contacting ethylene and a (C3-C40)alpha-olefin comonomer in the presence of a catalyst system, the catalyst system comprising a Group IV metal-ligand complex and an ionic metallic activator complex, the ionic metallic activator complex comprising an anion and a countercation, the anion having a structure according to formula (I):formula (I)
    Type: Application
    Filed: March 26, 2019
    Publication date: February 4, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Richard J. Keaton, Rafael Huacuja, David R. Wilson, Jerzy Klosin, David M. Pearson, Todd D. Senecal, Sukrit Mukhopadhyay, William H.H. Woodward
  • Patent number: 10294322
    Abstract: The instant invention provides an isocyanate trimerization catalyst system, a precursor formulation, a process for trimerizing isocyanates, rigid foams made therefrom, and a process for making such foams. The trimerization catalyst system comprises: (a) a phosphatrane cation; and (b) an isocyanate-trimer inducing anion; wherein said trimerization catalyst system has a trimerization activation temperature in the range of equal to or less than 73° C. The precursor formulation comprises (1) at least 25 percent by weight of polyol, based on the weight of the precursor formulation; (2) less than 15 percent by weight of a trimerization catalyst system, based on the weight of the precursor formulation, comprising; (a) a phosphatrane cation; and (c) an isocyanate-trimer inducing anion; wherein said trimerization catalyst system has a trimerization activation temperature in the range of equal to or less than 73° C.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: May 21, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Phillip S. Athey, Nathan Wilmot, Richard J. Keaton, David A. Babb, Cecile Boyer, Timothy A. Morley
  • Publication number: 20180346773
    Abstract: An adhesive formulation including: (a) at least one polyol having an average functionality number of greater than 3 and a hydroxyl equivalent weight of from about 300 g/mol OH to about 3,000 g/mol OH; and (b) at least one tin catalyst compound; wherein the adhesive formulation exhibits a latency of greater than 10 minutes open time; and a process for preparing the adhesive formulation.
    Type: Application
    Filed: September 29, 2016
    Publication date: December 6, 2018
    Inventors: Timothy S. De Vries, Gary L. Jialanella, Bindu Krishnan, Richard J. Keaton
  • Patent number: 9975975
    Abstract: The invention provides a process, and transition metal complex, to form an ethylene-based polymer, said process comprising polymerizing ethylene, and optionally at least one comonomer, in the presence of at least one molecular transition metal complex selected from Formula 1, as described herein.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: May 22, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Sean W. Ewart, Richard J. Keaton, Jerzy Klosin, Ruth Figueroa
  • Patent number: 9969837
    Abstract: Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a tertiary amine catalyst having a molecular weight of up to 300 and from 0.01 to 1.0 mole per mole of the tertiary amine compound(s) of a non-protic, non-catalytic, metal-containing Lewis acid.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: May 15, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Rajat Duggal, Nathan Wilmot, Richard J. Keaton, Duane R. Romer, Peter M. Margl
  • Publication number: 20170283541
    Abstract: The instant invention provides an isocyanate trimerisation catalyst system, a precursor formulation, a process for trimerising isocyanates, rigid foams made therefrom, and a process for making such foams. The trimerisation catalyst system comprises: (a) a phosphatrane cation; and (b) an isocyanate-trimer inducing anion; wherein said trimerisation catalyst system has a trimerisation activation temperature in the range of equal to or less than 73° C. The precursor formulation comprises (1) at least 25 percent by weight of polyol, based on the weight of the precursor formulation; (2) less than 15 percent by weight of a trimerisation catalyst system, based on the weight of the precursor formulation, comprising; (a) a phosphatrane cation; and (c) an isocyanate-trimer inducing anion; wherein said trimerisation catalyst system has a trimerisation activation temperature in the range of equal to or less than 73° C.
    Type: Application
    Filed: June 13, 2017
    Publication date: October 5, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Phillip S. Athey, Nathan Wilmot, Richard J. Keaton, David A. Babb, Cecile Boyer, Timothy A. Morley
  • Publication number: 20170137550
    Abstract: The invention provides a process, and transition metal complex, to form an ethylene-based polymer, said process comprising polymerizing ethylene, and optionally at least one comonomer, in the presence of at least one molecular transition metal complex selected from Formula 1, as described herein.
    Type: Application
    Filed: July 23, 2015
    Publication date: May 18, 2017
    Inventors: Sean W. Ewart, Richard J. Keaton, Jerzy Klosin, Ruth Figueroa
  • Patent number: 9416214
    Abstract: Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a bismuth mono- or dithiocarbamate or mono- or dithiocarbonate salt.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: August 16, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Richard J. Keaton, Peter M. Margl, Rajat Duggal, Scott D. Boelter, Duane R. Romer, Nathan Wilmot
  • Patent number: 9340639
    Abstract: Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a bismuth thiophosphoric acid diester salt.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: May 17, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Richard J. Keaton, Peter M. Margl, Rajat Duggal, Scott D. Boelter, Duane R. Romer, Debra L. Nowlin, Nathan Wilmot, David R. Wilson, Dean M. Welsh
  • Patent number: 9156935
    Abstract: Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a zinc catalyst that contains at least one zinc atom associated with a polydentate ligand that contains at least one nitrogen-containing complexing site.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: October 13, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Richard J. Keaton, Peter M. Margl, Duane R. Romer, Nathan Wilmot, Rajat Duggal, Rashmi Chamsarkar
  • Publication number: 20150141602
    Abstract: A monomer treatment process including treating at least one metathesis polymerizable monomer composition having a purity of less than 95 weight percent of a dicyclopentadiene monomer with an alkali metal-containing additive prior to polymerizing the metathesis polymerizable monomer composition such that the treated polymerized monomer exhibits improved properties in metathesis reactions.
    Type: Application
    Filed: April 16, 2013
    Publication date: May 21, 2015
    Inventors: Marvin L. Dettloff, Richard J. Keaton, Ha Q. Pham, Nikhil E. Verghese
  • Publication number: 20150073065
    Abstract: Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a bismuth thiophosphoric acid diester salt.
    Type: Application
    Filed: March 26, 2013
    Publication date: March 12, 2015
    Inventors: Richard J. Keaton, Peter M. Margl, Rajat Duggal, Scott D. Boelter, Duane R. Romer, Debra L. Nowlin, Nathan Wilmot, David R. Wilson, Dean M. Welsh
  • Publication number: 20150065675
    Abstract: Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a bismuth mono- or dithiocarbamate or mono- or dithiocarbonate salt.
    Type: Application
    Filed: March 26, 2013
    Publication date: March 5, 2015
    Inventors: Richard J. Keaton, Peter M. Margl, Rajat Duggal, Scott D. Boelter, Duane R. Romer, Nathan Wilmot
  • Publication number: 20140221594
    Abstract: Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a tertiary amine catalyst having a molecular weight of up to 300 and from 0.01 to 1.0 mole per mole of the tertiary amine compound(s) of a non-protic, non-catalytic, metal-containing Lewis acid.
    Type: Application
    Filed: August 29, 2012
    Publication date: August 7, 2014
    Inventors: Rajat Duggal, Nathan Wilmot, Richard J. Keaton, Duane R. Romer, Peter M. Margl
  • Publication number: 20130225781
    Abstract: Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a zinc catalyst that contains at least one zinc atom associated with a polydentate ligand that contains at least one nitrogen-containing complexing site.
    Type: Application
    Filed: July 5, 2011
    Publication date: August 29, 2013
    Inventors: Richard J. Keaton, Peter M. Margl, Duane R. Romer, Nathan Wilmot, Rajat Duggal, Rashmi Chamsarkar
  • Patent number: 7053157
    Abstract: The present invention relates to a method of producing multimodal polyolefins using at least one or more activated metallocene catalysts. The activated metallocene catalysts are used in combination in a single-process method. The method allows for the production of multimodal polyolefins of tunable composition, molecular weight and polydispersity.
    Type: Grant
    Filed: July 19, 2002
    Date of Patent: May 30, 2006
    Assignee: University of Maryland, College Park
    Inventors: Lawrence R Sita, Richard J Keaton, Kumudini C Jayaratne
  • Publication number: 20040198930
    Abstract: The present invention relates to a method of producing multimodal polyolefins using at least one or more activated metallocene catalysts. The activated metallocene catalysts are used in combination in a single-process method. The method allows for the production of multimodal polyolefins of tunable composition, molecular weight and polydispersity.
    Type: Application
    Filed: January 20, 2004
    Publication date: October 7, 2004
    Inventors: Lawrence R. Sita, Richard J. Keaton, Kumudini C. Jayaratne