Patents by Inventor Paul Pringle

Paul Pringle 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: 20230171238
    Abstract: In one embodiment, a method includes receiving, by an identity agent installed on a device, a credential associated with a user of the device and storing, by the identity agent, the credential on the device. The method also includes capturing, by the identity agent, information associated with a security posture of the device and generating, by the identity agent, an association of the security posture and the credential. The method further includes receiving, by the identity agent, a request for the association of the security posture and the credential from a browser and communicating, by the identity agent, the association of the security posture and the credential to the browser.
    Type: Application
    Filed: November 29, 2021
    Publication date: June 1, 2023
    Inventors: Oliver Robert Stocker, Weston Andros Adamson, James Paul Pringle
  • Patent number: 9381503
    Abstract: A novel bidentate ligand of general formula (I) is described together with a process for the carbonylation of ethylenically unsaturated compounds. The group X1 may be defined as a univalent hydrocarbyl radical of up to 30 atoms containing at least one nitrogen atom having a pKb in dilute aqueous solution at 18° C. of between 4 and 14 wherein the said at least one nitrogen atom is separated from the Q2 atom by between 1 and 3 carbon atoms. The group X2 is defined as X1, X3 or X4 or represents a univalent radical of up to 30 atoms having at least one primary, secondary or aromatic ring carbon atom wherein each said univalent radical is joined via said at least one primary, secondary or aromatic ring carbon atom(s) respectively to the respective atom Q2. Q1 and Q2 each independently represent phosphorus, arsenic or antimony.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: July 5, 2016
    Assignee: Lucite International UK Limited
    Inventors: Graham Ronald Eastham, Mark Waugh, Paul Pringle, Thomas Philip William Turner
  • Patent number: 9309189
    Abstract: The present invention relates to a method for the hydrocyanation of organic ethylenically unsaturated compounds including at least one nitrile function. The invention specifically relates to a method for the hydrocyanation of a hydrocarbon compound including at least one ethylenic unsaturation by a reaction with hydrogen cyanide in a liquid medium and in the presence of a catalyst including a metal element selected from the transition metals and an organophosphorous ligand, the organophosphorous ligand including a compound of general formula (I), where R1 and R2, which are identical or different, are a linear or branched alkyl radical having 1-12 carbon atoms, which can include heteroatoms, or an optionally substituted aromatic or cycloaliphatic radical that can include heteroatoms, wherein the covalent bond between P and R1, and that between P and R2, are P—C bonds.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: April 12, 2016
    Assignee: INVISTA NORTH AMERICA S.A R.L.
    Inventors: Sergio Mastroianni, Paul Pringle, Jonathan Hopewell, Michael Garland
  • Patent number: 9012661
    Abstract: Organophosphorus compounds, catalytic systems comprising a metallic element forming a complex with the organophosphorus compounds and methods of hydrocyanation and of hydroformylation employed in the presence of the catalytic systems are described.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: April 21, 2015
    Assignee: INVISTA North America S.a.r.l.
    Inventors: Sergio Mastroianni, Igor Mikhel, Paul Pringle
  • Patent number: 8969560
    Abstract: A novel bidentate ligand of general formula (I) is described together with a process for the carbonylation of ethylenically unsaturated compounds. The group X1 may be defined as a univalent hydrocarbyl radical of up to 30 atoms containing at least one nitrogen atom having a pKb in dilute aqueous solution at 18° C. of between 4 and 14 wherein the said at least one nitrogen atom is separated from the Q2 atom by between 1 and 3 carbon atoms. The group X2 is defined as X1, X3 or X4 or represents a univalent radical of up to 30 atoms having at least one primary, secondary or aromatic ring carbon atom wherein each said univalent radical is joined via said at least one primary, secondary or aromatic ring carbon atom(s) respectively to the respective atom Q2. Q1 and Q2 each independently represent phosphorus, arsenic or antimony.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: March 3, 2015
    Assignee: Lucite International UK Limited
    Inventors: Graham Ronald Eastham, Mark Waugh, Paul Pringle, Thomas Philip William Turner
  • Publication number: 20150011758
    Abstract: A novel bidentate ligand of general formula (I) is described together with a process for the carbonylation of ethylenically unsaturated compounds. The group X1 may be defined as a univalent hydrocarbyl radical of up to 30 atoms containing at least one nitrogen atom having a pKb in dilute aqueous solution at 18° C. of between 4 and 14 wherein the said at least one nitrogen atom is separated from the Q2 atom by between 1 and 3 carbon atoms. The group X2 is defined as X1, X3 or X4 or represents a univalent radical of up to 30 atoms having at least one primary, secondary or aromatic ring carbon atom wherein each said univalent radical is joined via said at least one primary, secondary or aromatic ring carbon atom(s) respectively to the respective atom Q2. Q1 and Q2 each independently represent phosphorus, arsenic or antimony.
    Type: Application
    Filed: September 22, 2014
    Publication date: January 8, 2015
    Inventors: Graham Ronald EASTHAM, Mark WAUGH, Paul PRINGLE, Thomas Philip William TURNER
  • Publication number: 20140249327
    Abstract: The present invention relates to a method for the hydrocyanation of organic ethylenically unsaturated compounds including at least one nitrile function. The invention specifically relates to a method for the hydrocyanation of a hydrocarbon compound including at least one ethylenic unsaturation by a reaction with hydrogen cyanide in a liquid medium and in the presence of a catalyst including a metal element selected from the transition metals and an organophosphorous ligand, the organophosphorous gaud including a compound of general formula (I), where R1 and R2, which are identical or different, are a linear or branched alkyl radical having 1-12 carbon atoms, which can include heteroatoms, or an optionally substituted aromatic or cycloaliphatic radical that can include heteroatoms, wherein the covalent bond between P and R1, and that between P and R2, are P—C bonds.
    Type: Application
    Filed: September 27, 2012
    Publication date: September 4, 2014
    Inventors: Sergio Mastroianni, Paul Pringle, Jonathan Hopewell, Michael Garland
  • Patent number: 8816113
    Abstract: A novel bidentate catalytic ligand of general formula (I) is described. R represents a hydrocarbyl aromatic structure having at least one aromatic ring to which Q1 and Q2 are each linked, via the respective linking group, if present, on available adjacent atoms of the at least one aromatic ring. The groups X3 and X4 represent radicals joined via tertiary carbon atoms to the respective atom Q1 and the groups X1 and X2 represent radicals joined via primary, or substituted aromatic ring carbon atom(s) to the respective atom Q2. A and B represent an optional lower alkylene linking group. Q1 and Q2 each represent phosphorus, arsenic or antimony. A process for the carbonylation of ethylenically unsaturated compounds comprising reacting the compound with carbon monoxide in the presence of a source of hydroxyl groups, optionally, a source of anions and catalyst system obtainable by combining a metal of Group 8, 9 or 10 or a compound thereof and the bidentate ligand of general formula (I) is also described.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: August 26, 2014
    Assignee: Lucite International UK Limited
    Inventors: Graham Ronald Eastham, Mark Waugh, Paul Pringle, Tamara Fanjul Solares
  • Patent number: 8546589
    Abstract: Organophosphorus compounds are described that belong to the phosphinite-phosphite family. Catalytic systems comprising a metallic element forming a complex with said phosphinite-phosphite compounds and methods of hydrocyanation employed in the presence of said catalytic systems are also described.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: October 1, 2013
    Assignee: Rhodia Operations
    Inventors: Sergio Mastroianni, Paul Pringle, Ana Maldonado, Gad Rothenberg, Igor Mikhel
  • Publication number: 20130053580
    Abstract: The present invention relates to organophosphorus compounds belonging to the phosphinite-phosphite family, catalytic systems comprising a metallic element forming a complex with said phosphinite-phosphite compounds and methods of hydrocyanation employed in the presence of said catalytic systems.
    Type: Application
    Filed: August 31, 2010
    Publication date: February 28, 2013
    Applicant: Rhodia Operations
    Inventors: Sergio Mastroianni, Paul Pringle, Ana Maldonado, Gad Rothenberg, Igor Mikhel
  • Publication number: 20130023690
    Abstract: A method is described for the hydrocyanation of organic ethylene-unsaturated compounds into compounds including at least one nitrile function. Also described, is a method for the hydrocyanation of a hydrocarbon compound including at least one ethylenic unsaturation by reaction in a liquid medium with hydrogen cyanide in the presence of a catalyst including a metal element selected from among the transition metals and an organophosphorous ligand including, in one embodiment of the invention, an organophosphorous compound. The described method can be used in particular for the synthesis of adiponitrile from butadiene.
    Type: Application
    Filed: June 7, 2010
    Publication date: January 24, 2013
    Inventors: Sergio Mastroianni, Paul Pringle, Michael Garland, Jonathan Hopewell
  • Publication number: 20120330016
    Abstract: A novel bidentate ligand of general formula (I) is described together with a process for the carbonylation of ethylenically unsaturated compounds. The group X1 may be defined as a univalent hydrocarbyl radical of up to 30 atoms containing at least one nitrogen atom having a pKb in dilute aqueous solution at 18° C. of between 4 and 14 wherein the said at least one nitrogen atom is separated from the Q2 atom by between 1 and 3 carbon atoms. The group X2 is defined as X1, X3 or X4 or represents a univalent radical of up to 30 atoms having at least one primary, secondary or aromatic ring carbon atom wherein each said univalent radical is joined via said at least one primary, secondary or aromatic ring carbon atom(s) respectively to the respective atom Q2. Q1 and Q2 each independently represent phosphorus, arsenic or antimony.
    Type: Application
    Filed: December 29, 2010
    Publication date: December 27, 2012
    Applicant: LUCITE INTERNATIONAL UK LIMITED
    Inventors: Graham Ronald Eastham, Mark Waugh, Paul Pringle, Thomas Philip William Turner
  • Publication number: 20120035377
    Abstract: Organophosphorus compounds, catalytic systems comprising a metallic element forming a complex with the organophosphorus compounds and methods of hydrocyanation and of hydroformylation employed in the presence of the catalytic systems are described.
    Type: Application
    Filed: March 5, 2010
    Publication date: February 9, 2012
    Applicant: Rhodia Operations
    Inventors: Sergio Mastroianni, Igor Mikhel, Paul Pringle
  • Publication number: 20110137059
    Abstract: A novel bidentate catalytic ligand of general formula (I) is described. R represents a hydrocarbyl aromatic structure having at least one aromatic ring to which Q1 and Q2 are each linked, via the respective linking group, if present, on available adjacent atoms of the at least one aromatic ring. The groups X3 and X4 represent radicals joined via tertiary carbon atoms to the respective atom Q1 and the groups X1 and X2 represent radicals joined via primary, or substituted aromatic ring carbon atom(s) to the respective atom Q2. A and B represent an optional lower alkylene linking group. Q1 and Q2 each represent phosphorus, arsenic or antimony. A process for the carbonylation of ethylenically unsaturated compounds comprising reacting the compound with carbon monoxide in the presence of a source of hydroxyl groups, optionally, a source of anions and catalyst system obtainable by combining a metal of Group 8, 9 or 10 or a compound thereof and the bidentate ligand of general formula (I) is also described.
    Type: Application
    Filed: July 2, 2009
    Publication date: June 9, 2011
    Applicant: LUCITE INTERNATIONAL UK LIMITED
    Inventors: Graham Ronald Eastham, Mark Waugh, Paul Pringle, Tamara Fanjul Solares
  • Publication number: 20060084832
    Abstract: Process for the telomerization of a conjugated diene, wherein the conjugated diene is reacted with a compound containing an active hydrogen atom and having a formula R?—H in the presence of a telomerization catalyst based on: (a) a source of group VIII metal, (b) a bidentate ligand wherein the bidentate ligand has the general formula I R1R2M1-R-M2R3R4??(I) wherein M1 and M2 are independently P, As or Sb; R1, R2, R3 and R4 independently represent a monovalent aliphatic group; or R1, R2 and M1 together and/or R3, R4 and M2 together independently represent an optionally substituted aliphatic cyclic group with at least 5 ring atoms, of which one is the M1 or M2 atom, respectively; R represents a bivalent organic bridging group; and novel bidentate diphosphines which can be used in this process.
    Type: Application
    Filed: December 9, 2005
    Publication date: April 20, 2006
    Inventors: Eit Drent, Michael Eberhard, Paul Pringle, Renata van der Made
  • Publication number: 20050090694
    Abstract: A process for the carbonylation of an ethylenically unsaturated compound with carbon monoxide and a co-reactant. The carbonylation reaction is carried out in the presence of a novel catalyst involving: a) a source of a group VIII metal; b) a bidentate diphosphine of formula I, wherein R1 represents a bivalent radical that together with the phosphorus atom to which it is attached is an optionally substituted 2-phospha-tricyclo[3.3.1.1{3,7}]-decyl group or a derivative thereof in which one or more of the carbon atoms are replaced by heteroatoms (“2-PA” group); wherein R2 and R3 independently represent univalent radicals of up to 20 atoms or jointly form a bivalent radical of up to 20 atoms; and wherein A1 and A2 independently represent optionally substituted alkylene groups and R represents an optionally substituted aromatic group; and, c) a source of anions.
    Type: Application
    Filed: February 18, 2003
    Publication date: April 28, 2005
    Inventors: Eit Drent, Renata Van Der Made, Robert Pugh, Paul Pringle