Patents by Inventor William J. Kruper

William J. Kruper 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).

  • Patent number: 8581012
    Abstract: The present invention provides continuous, gas phase, free radical processes for the production of chlorinated and/or fluorinated propenes or higher alkenes from the reaction of chlorinated and/or fluorinated alkanes and chlorinated and/or fluorinated alkenes, wherein wherein at least a portion of any intermediate boiler by-products generated by the process are removed from the process.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: November 12, 2013
    Assignee: Dow Global Technologies, LLC
    Inventors: Max M. Tirtowidjojo, Patrick H. Au-Yeung, Debashis Chakraborty, Juergen Eiffler, Heinz Groenewald, Kurt F. Hirsekorn, Manfred Kokott, William J. Kruper, Jr., Thomas U. Luebbe, Holger Meemann, Shirley S. Sexton, Peter Wenzel, Marcus Wobser
  • Patent number: 8581011
    Abstract: The present invention provides one-step processes for the production of chlorinated and/or fluorinated propenes. The processes provide good product yield with low, e.g., less than about 20%, or even less than 10%, concentrations of residues/by-products. Advantageously, the processes may be conducted at low temperatures than 500° C. so that energy savings are provided, and/or at higher pressures so that high throughputs may also be realized. The use of catalysts or initiators may provide additional enhancements to conversion rates and selectivity, as may adjustments to the molar ratio of the reactants.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: November 12, 2013
    Assignee: Dow Global Technologies, LLC
    Inventors: Max M. Tirtowidjojo, Debashis Chakraborty, Juergen Eiffler, Kurt F. Hirsekorn, William J. Kruper, Jr.
  • Patent number: 8574773
    Abstract: A battery electrolyte solution contains from 0.01 to 80% by weight of an aromatic phosphorus compound. The aromatic phosphorus compound provides increased thermal stability for the electrolyte, helping to reduce thermal degradation, thermal runaway reactions and the possibility of burning. The aromatic phosphorus compound has little adverse impact on the electrical properties of the battery, and in some cases actually improves battery performance.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: November 5, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: David R. Wilson, Ravi B. Shankar, Houxiang Tang, Andrew J. Pasztor, Jr., Peter M. Margl, William J. Kruper, Jr., Mark D. Newsham, Jing Jin, Matthew M. Yonkey, Deidre A. Strand, Thomas D. Gregory, Jamie L. Cohen, Jeremy R. Stajdl
  • Patent number: 8558041
    Abstract: The present invention provides isothermal multitube reactors suitable for the production of chlorinated and/or fluorinated propene and higher alkenes from the reaction of chlorinated and/or fluorinated alkanes and chlorinated and/or fluorinated alkenes. The reactors utilize a feed mixture inlet temperature at least 20° C. different from a desired reaction temperature.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: October 15, 2013
    Assignee: Dow Global Technologies, LLC
    Inventors: Max M. Tirtowidjojo, Hua Bai, Debashis Chakraborty, Juergen Eiffler, Heinz Groenewald, Kurt F. Hirsekorn, Manfred Kokott, William J. Kruper, Jr., Thomas U. Luebbe, Avani M. Patel, Shirley S. Sexton, Peter Wenzel, Marcus Wobser
  • Patent number: 8450383
    Abstract: An ester of a sugar and a brominated fatty acid is a useful FR additive for combustible polymers. The brominated FR additives unexpectedly are stable at the extrusion temperatures, and provide excellent flame retardancy to the combustible polymers.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: May 28, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: John W. Hull, Jr., William J. Kruper, Jr., Justin C. Rowlands
  • Patent number: 8404905
    Abstract: The present invention relates to a process for converting a multihydroxylated-aliphatic hydrocarbon or ester thereof to a chlorohydrin, by contacting the multihydroxylated-aliphatic hydrocarbon or ester thereof starting material with a source of hydrogen chloride at superatmospheric, atmospheric and subatmospheric pressure conditions for a sufficient time and at a sufficient temperature, preferably wherein such contracting step is carried out without substantial removal of water, to produce the desired chlorohydrin product; wherein the desired product or products can be made in high yield without substantial formation of undesired overchlorinated byproducts; said process carried out without a step undertaken to specifically remove volatile chlorinated hydrocarbon by-products or chloroacetone, wherein the combined concentration of volatile chlorinated hydrocarbon by-products and chloroacetone is less than 2000 ppm throughout any stage of the said process.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: March 26, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: William J. Kruper, Tina Arrowood, Bruce M. Bell, John Briggs, Robert M. Campbell, Bruce D. Hook, Anh Nguyen, Curt Theriault, Ralf Fitschen
  • Publication number: 20130066091
    Abstract: A process for producing a chlorohydrin, an ester of a chlorohydrin, or a mixture thereof including the steps of contacting, in a hydrochlorination reactor, a multihydroxylated aliphatic hydrocarbon, an ester of a multihydroxylated aliphatic hydrocarbon, or a mixture thereof with a source of a hydrogen chloride, in the presence of a hydrophobic or extractable carboxylic acid catalyst is provided.
    Type: Application
    Filed: May 19, 2011
    Publication date: March 14, 2013
    Applicant: Dow Global Technologies LLC
    Inventors: Tina L. Arrowood, William J. Kruper, JR., John R. Briggs
  • Publication number: 20120315549
    Abstract: A battery electrolyte solution contains from 0.001 to 20% by weight of certain phosphorus-sulfur compounds. The phosphorus-sulfur compound performs effectively as a solid-electrolyte interphase (SEI) forming material. The phosphorus-sulfur compound has little adverse impact on the electrical properties of the battery, and in some cases actually improves battery performance. Batteries containing the electrolyte solution form robust and stable SEIs even when charged at high rates during initial formation cycles.
    Type: Application
    Filed: November 16, 2009
    Publication date: December 13, 2012
    Inventors: Houxiang Tang, William J. Kruper, JR., Ravi B. Shankar, Deidre A. Strand, Peter M. Margl, Andrew J. Pasztor, JR., David R. Wilson, Jerey R. Stajdi
  • Patent number: 8324288
    Abstract: Extruded polymer foams are prepared using brominated fatty acids, an ester, amide or ester-amide of a brominated fatty acid, a glyceride of one or more brominated fatty acids, or a polymerized brominated fatty acid as an FR additive. The brominated FR additives unexpectedly are stable at the extrusion temperatures, and provide excellent flame retardancy to the foams.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: December 4, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: William J. Kruper, Jr., David R. Arrowsmith, Duane R. Romer, Bruce M. Bell, William G. Stobby, Inken Beulich, Zenon Lysenko, John Gordon-Duffy, Chau V. Vo
  • Patent number: 8304563
    Abstract: The present invention relates to a process for converting a multihydroxylated-aliphatic hydrocarbon or ester thereof to a chlorohydrin, by contacting the multihydroxylated-aliphatic hydrocarbon or ester thereof starting material with a source of hydrogen chloride at superatmospheric, atmospheric and subatmospheric pressure conditions for a sufficient time and at a sufficient temperature, preferably wherein such contracting step is carried out without substantial removal of water, to produce the desired chlorohydrin product; wherein the desired product or products can be made in high yield without substantial formation of undesired overchlorinated byproducts; said process carried out without a step undertaken to specifically remove volatile chlorinated hydrocarbon by-products or chloroacetone, wherein the combined concentration of volatile chlorinated hydrocarbon by-products and chloroacetone is less than 2000 ppm throughout any stage of the said process.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: November 6, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: William J. Kruper, Tina Arrowood, Bruce M. Bell, John Briggs, Robert M. Campbell, Bruce D. Hook, Anh Nguyen, Curt Theriault, Ralf Fitschen
  • Patent number: 8258353
    Abstract: The present invention provides one-step processes for the production of chlorinated and/or fluorinated propenes. The processes provide good product yield with low, e.g., less than about 20%, or even less than 10%, concentrations of residues/by-products. Advantageously, the processes may be conducted at low temperatures relative to conventional processes, so that energy savings are provided, and/or at higher pressures so that high throughputs may also be realized. The use of catalysts may provide enhancements to conversion rates and selectivity over those seen in conventional processes, as may adjustments to the molar ratio of the reactants.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: September 4, 2012
    Assignee: Dow Global Technologies, LLC
    Inventors: William J. Kruper, Jr., Max M. Tirtowidjojo, Kurt F. Hirsekorn, Debashis Chakraborty, Juergen Eiffler
  • Patent number: 8236975
    Abstract: A process for converting a crude glycerol, crude mixtures of naturally derived multihydroxylated-aliphatic hydrocarbons or esters thereof to a chlorohydrin, by contacting the crude glycerol, crude mixtures of naturally derived multihydroxylated-aliphatic hydrocarbons or esters thereof starting material with a source of a superatmospheric partial pressure of hydrogen chloride for a sufficient time and at a sufficient temperature, and wherein such contracting step is carried out without substantial removal of water, to produce the desired chlorohydrin product; wherein the desired product or products can be made in high yield without substantial formation of undesired overchlorinated byproducts; wherein said crude glycerol, said ester of crude glycerol, or mixture thereof is derived from a renewable raw material. Chlorohydrins made by the process of the present invention are useful in preparing epoxides such as epichlorohydrins.
    Type: Grant
    Filed: February 9, 2011
    Date of Patent: August 7, 2012
    Inventors: Bruce D. Hook, John Briggs, Robert M. Campbell, William J. Kruper, David J. Schreck, Richard D. Varjian, Jeffrey G. Hippler
  • Publication number: 20120077894
    Abstract: Extruded polymer foams are prepared using brominated fatty acids, an ester, amide or ester-amide of a brominated fatty acid, a glyceride of one or more brominated fatty acids, or a polymerized brominated fatty acid as an FR additive. The brominated FR additives unexpectedly are stable at the extrusion temperatures, and provide excellent flame retardancy to the foams.
    Type: Application
    Filed: November 30, 2011
    Publication date: March 29, 2012
    Inventors: William J. Kruper, JR., David R. Arrowsmith, Duane R. Romer, Bruce M. Bell, William G. Stobby, Inken Beulich, Zenon Lysenko, John Gordon-Duffy, Chau V. Vo
  • Patent number: 8114943
    Abstract: Butadiene copolymers are brominated in solution using bromine as the brominating agent. The bromination is conducted in the presence of an excess of an aliphatic alcohol, relative to the amount of bromine that is used. The bromination proceeds rapidly at mild conditions, and is selective in that only aliphatic carbon-carbon double bonds are brominated, and unwanted bromination at tertiary carbon atoms is largely or completely avoided. The resulting brominated polymers are characterized in having very good thermal stability.
    Type: Grant
    Filed: August 14, 2007
    Date of Patent: February 14, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Daniel J. Murray, David B. Gorman, John W. Hull, Jr., William J. Kruper, Jr., Ted A. Morgan, Bruce A. King, Ronald B. Leng
  • Patent number: 8088957
    Abstract: The present invention relates to a process for converting a multihydroxylated-aliphatic hydrocarbon or ester thereof to a chlorohydrin, by contacting the multihydroxylated-aliphatic hydrocarbon or ester thereof starting material with a source of a superatmospheric partial pressure of hydrogen chloride for a sufficient time and at a sufficient temperature, and wherein such contracting step is carried out without substantial removal of water, to produce the desired chlorohydrin product; wherein the desired product or products can be made in high yield without substantial formation of undesired overchlorinated byproducts. In addition, certain catalysts of the present invention may be used in the present process at superatmospheric, atmospheric and subatmospheric pressure conditions with improved results.
    Type: Grant
    Filed: July 18, 2005
    Date of Patent: January 3, 2012
    Inventors: William J. Kruper, Jr., David J. Schreck, Kenneth L. Kearns, Richard D. Varjian, Mark E. Jones, Robert M. Campbell, Bruce D. Hook, John R. Briggs, Jeffrey G. Hippler
  • Publication number: 20110313068
    Abstract: An ester of a sugar and a brominated fatty acid is a useful FR additive for combustible polymers. The brominated FR additives unexpectedly are stable at the extrusion temperatures, and provide excellent flame retardancy to the combustible polymers.
    Type: Application
    Filed: October 15, 2009
    Publication date: December 22, 2011
    Inventors: John W. Hull, JR., William J. Kruper, JR., Justin Craig Rowlands
  • Patent number: 8080592
    Abstract: Extruded polymer foams are prepared using brominated fatty acids, an ester, amide or ester-amide of a brominated fatty acid, a glyceride of one or more brominated fatty acids, or a polymerized brominated fatty acid as an FR additive. The brominated FR additives unexpectedly are stable at the extrusion temperatures, and provide excellent flame retardancy to the foams.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: December 20, 2011
    Assignee: Dow Global Technologies LLC
    Inventors: William J. Kruper, Jr., David R. Arrowsmith, Duane R. Romer, Bruce M. Bell, William G. Stobby, Inken Beulich, Zenon Lysenko, John Gordon-Duffy, Chau V. Vo
  • Patent number: 8058332
    Abstract: Phosphorus-sulfur compounds have flame retardant activity in organic polymer systems. The phosphorus-sulfur compounds can be represented by the structure: wherein X is oxygen or sulfur, T is a covalent bond, oxygen, sulfur or nitrogen, provided that at least one of X and T is sulfur, each X? is independently oxygen or sulfur, each m is independently zero or 1 when X? is oxygen and zero, 1 or 2 when X? is sulfur, n is at least 1 and preferably at least 2, each R is independently an unsubstituted or inertly substituted hydrocarbyl group or the R groups together form an unsubstituted or inertly substituted divalent organic group and A is an organic linking group.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: November 15, 2011
    Assignee: Dow Global Technologies LLC
    Inventors: Ravi B. Shankar, David R. Wilson, William J. Kruper, Bruce A. King, Michelle L. Hudack, Chun Wang, Ted A. Morgan, Inken Beulich, Daniel J. Murray, William Gerald Stobby, Mark W. Beach, Ing Feng Hu
  • Publication number: 20110250503
    Abstract: A battery electrolyte solution contains from 0.01 to 80% by weight of an aromatic phosphorus compound. The aromatic phosphorus compound provides increased thermal stability for the electrolyte, helping to reduce thermal degradation, thermal runaway reactions and the possibility of burning. The aromatic phosphorus compound has little adverse impact on the electrical properties of the battery, and in some cases actually improves battery performance.
    Type: Application
    Filed: November 16, 2009
    Publication date: October 13, 2011
    Inventors: David R. Wilson, Ravi B. Shankar, Houxiang Tang, Andrew J. Pasztor, JR., Peter M. Margl, William J. Kruper, JR., Mark D. Newsham, Jing Jin, Matthew M. Yonkey, Deidre A. Strand, Thomas D. Gregory, Jamie L. Cohen, Jeremy R. Stajdl
  • Publication number: 20110178315
    Abstract: A process for converting a crude glycerol, crude mixtures of naturally derived multihydroxylated-aliphatic hydrocarbons or esters thereof to a chlorohydrin, by contacting the crude glycerol, crude mixtures of naturally derived multihydroxylated-aliphatic hydrocarbons or esters thereof starting material with a source of a superatmospheric partial pressure of hydrogen chloride for a sufficient time and at a sufficient temperature, and wherein such contracting step is carried out without substantial removal of water, to produce the desired chlorohydrin product; wherein the desired product or products can be made in high yield without substantial formation of undesired overchlorinated byproducts; wherein said crude glycerol, said ester of crude glycerol, or mixture thereof is derived from a renewable raw material. Chlorohydrins made by the process of the present invention are useful in preparing epoxides such as epichlorohydrins.
    Type: Application
    Filed: February 9, 2011
    Publication date: July 21, 2011
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Bruce D. Hook, John Briggs, Robert M. Campbell, William J. Kruper, JR., David J. Schreck, Richard D. Varjian, Jeffrey G. Hippler