Patents by Inventor Thomas P. J. Izod

Thomas P. J. Izod 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).

  • Preparation of strong and super acid catalysts using elemental fluorine
    Patent number: 5220087
    Abstract: A fluorinated cation exchange resin catalyst is prepared by contacting a polymer containing pendant acid groups, particularly the radical --SO.sub.3 X with elemental fluorine in the presence of a water-free halogenated hydrocarbon liquid and thereafter converting the resulting pendant --SO.sub.3 X radical to a free acid.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: June 15, 1993
    Assignee: Allied-Signal Inc.
    Inventors: Morris B. Berenbaum, Thomas P. J. Izod, Donald R. Taylor, John D. Hewes
  • Sulfonated 2-(2'-hydroxyaryl)-2H-benzotriazoles and/or sulfonated aromatic formaldehyde condensates and their use to improve stain resistance and dye lightfasteness
    Patent number: 5190565
    Abstract: A new class of sulfonated 2-(2'-hydroxyaryl)-2H-benzotriazole compounds and method for using them and other sulfonated hydroxyaryl benzotriazoles on nylon fibers to improve stain resistance and dye lightfastness has been discovered. A process is provided for improving stain resistance of nylon fibers by treatment with sulfonated aromatic-formaldehyde condensate and fluorinated dry soil resist agents.
    Type: Grant
    Filed: February 1, 1991
    Date of Patent: March 2, 1993
    Assignee: Allied-Signal Inc.
    Inventors: Morris B. Berenbaum, John H. Bonfield, Charles J. Cole, Paul W. Harris, Thomas P. J. Izod, Harry E. Ulmer, Frederick R. Hopf, James T. Yardley, Karen M. Bland
  • Sulfonated 2-(2'-hydroxyaryl)-2H-benzotriazoles and/or sulfonated aromatic formaldehyde condensates
    Patent number: 4990623
    Abstract: A new class of sulfonated 2-(2'-hydroxyaryl)-2H-benzotriazole compounds and method for using them and other sulfonated hydroxyaryl benzotriazoles on nylon fibers to improve stain resistance and dye lightfastness has been discovered. A process is provided for improving stain resistance of nylon fibers by treatment with sulfonated aromatic-formaldehyde condensate and fluorinated dry soil resist agents.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: February 5, 1991
    Inventors: Morris B. Berenbaum, John H. Bonfield, Charles J. Cole, Paul W. Harris, Thomas P. J. Izod, Harry E. Ulmer, Frederick R. Hopf, James T. Yardley, Karen M. Bland
  • Method for preparing a wear-resistant composition containing fluorinated graphite, graphite fibers and PTFE
    Patent number: 4407988
    Abstract: A composition suitable for manufacturing into wear-resistant and chemically-inert articles, the composition being a mixture of 74 to 84% polytetrafluoroethylene, 7-17% graphite fibers, and 4-14% fluorinated graphite.
    Type: Grant
    Filed: March 25, 1982
    Date of Patent: October 4, 1983
    Assignee: Millipore Corporation
    Inventors: Louis Abrahams, Thomas P. J. Izod
  • Chromatographic separations using a unique silica polymorph
    Patent number: 4375568
    Abstract: Chromatographic separation of mixtures containing low molecular weight alcohols, ethylene glycol, phenol and water are made in the liquid and gas phase using as a column packing a unique crystalline silica polymorph, synthesized hydrothermally from a reaction system containing silica, water, an alkylonium base and fluoride anions.
    Type: Grant
    Filed: February 4, 1981
    Date of Patent: March 1, 1983
    Assignee: Union Carbide Corporation
    Inventors: Thomas P. J. Izod, Jack A. Duisman
  • Wear-resistant sintered composition having an empirical formula CF.sub.1.3 comprising graphite fibers, fluonnated graphite, and PTFE
    Patent number: 4342679
    Abstract: A composition suitable for manufacturing into wear-resistant and chemically-inert articles, the composition being a mixture of 74 to 84% polytetrafluoroethylene, 7-17% graphite fibers, and 4-14% fluorinated graphite.
    Type: Grant
    Filed: August 27, 1980
    Date of Patent: August 3, 1982
    Assignee: Millipore Corporation
    Inventors: Louis Abrahams, Thomas P. J. Izod
  • Wear-resistant article
    Patent number: 4333977
    Abstract: A wear-resistant and chemically-inert article made from a sintered mixture of polytetrafluoroethylene, graphite fibers, and fluorinated graphite.
    Type: Grant
    Filed: August 27, 1980
    Date of Patent: June 8, 1982
    Assignee: Waters Associates, Inc.
    Inventors: Louis Abrahams, Thomas P. J. Izod
  • Removal of caffeine by selective adsorption using zeolite adsorbents
    Patent number: 4331694
    Abstract: Caffeine is selectively adsorbed from aqueous solutions such as coffee and tea by contact with a particular form of zeolites created by high temperature rigorous steaming of a low sodium form of zeolite Y.
    Type: Grant
    Filed: August 13, 1980
    Date of Patent: May 25, 1982
    Assignee: Union Carbide Corporation
    Inventor: Thomas P. J. Izod