Patents by Inventor Bert H. Clampitt

Bert H. Clampitt 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).

  • Breaking middle phase emulsions
    Patent number: 4623447
    Abstract: Middle phase emulsions are broken by subjecting the emulsion to a first atmospheric distillation step to remove water, followed by a second vacuum distillation step to recover oil. The residue contains the surfactant. The atmospheric distillation is generally carried out by steam distillation.
    Type: Grant
    Filed: August 2, 1985
    Date of Patent: November 18, 1986
    Assignee: Pennzoil Company
    Inventors: Bert H. Clampitt, Asoke K. Deysarkar, Thomas D. Westmoreland, Jr.
  • Plasticized butene-1 polymer compositions
    Patent number: 4170586
    Abstract: Crystalline polymers of butene-1 are plasticized with specific liquid hydrocarbons. The plasticizer is prepared by dimerizing an alpha olefin containing 8-12 carbon atoms and then hydrogenating the dimer.
    Type: Grant
    Filed: September 11, 1978
    Date of Patent: October 9, 1979
    Assignee: Gulf Oil Corporation
    Inventors: Bert H. Clampitt, Donald E. Horstman
  • Copolymers containing an alpha-olefin and an alpha, beta-ethylenically unsaturated carboxylic acid plasticized with long-chain fatty acid
    Patent number: 4104216
    Abstract: This invention relates to copolymers containing an alpha-olefin and alpha, beta-ethylenically unsaturated carboxylic acid plasticized with a selected long-chain fatty acid. In a preferred embodiment, ethylene-acrylic acid copolymers, ethylene-methacrylic acid copolymers and their respective salts, i.e. ionomers, are plasticized using a selected long-chain fatty acid. The plasticized copolymers so obtained are generally characterized by having higher melt index, lower glass transition temperature (TG), greater flexibility, lower stiffness, higher resiliency and easier processibility than the corresponding unplasticized copolymers.
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: August 1, 1978
    Assignee: Gulf Oil Corporation
    Inventor: Bert H. Clampitt
  • Process for the manufacture of ethylene-acrylic acid copolymers
    Patent number: 4081587
    Abstract: A process is provided for preparing a copolymer of ethylene and acrylic or methacrylic acid. Typically, a copolymer of ethylene and methyl acrylate is dissolved in a diarylalkane such as 1,1-dixylylethane. A transesterification catalyst and either isopropanol or tertiary butanol is added to the polymer solution which then is heated to reflux to convert the polymerized methyl acrylate moiety to the isopropyl or tertiary butyl acrylate moiety. Following completion of the transesterification reaction, any excess isopropanol or tertiary butanol is removed from the reaction system by distillation. The polymer solution then is heated to a temperature of the order of 320.degree. C to thermally crack the isopropyl or tertiary butyl acrylate and form the corresponding ethylene-acrylic acid copolymer. The ethylene-acrylic acid copolymer is insoluble in the diarylalkane and can be recovered by filtration.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: March 28, 1978
    Assignee: Gulf Oil Corporation
    Inventors: Bert H. Clampitt, Ronald E. Gilbert