Patents by Inventor Barry R. Lothian

Barry R. Lothian 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).

  • Porous polymers
    Patent number: 4668709
    Abstract: This invention provides a highly porous crosslinked functionalised polymer having interconnected cavities of micron dimensions and having a pore volume greater than about 5.6 cc/g and having a capacity to absorb water and also to absorb saline solutions. The polymers are generally based on styrene or various acrylates or mixtures and have a functional group selected from a large range of ionic and polar compositions.
    Type: Grant
    Filed: June 26, 1986
    Date of Patent: May 26, 1987
    Assignee: Lever Brothers Company
    Inventors: Keith Jones, Barry R. Lothian, Alexander Martin, Graham Taylor, Ziq Hao
  • Porous polymers
    Patent number: 4612334
    Abstract: This invention provides a highly porous crosslinked functionalized polymer having interconnected cavities of micron dimensions and having a pore volume greater than about 5.6 cc/g and having a capacity to absorb water and also to absorb saline solutions. The polymers are generally based on styrene or various acrylates or mixtures and have a functional group selected from a large range of ionic and polar compositions.
    Type: Grant
    Filed: March 1, 1985
    Date of Patent: September 16, 1986
    Assignee: Lever Brothers Company
    Inventors: Keith Jones, Barry R. Lothian, Alexander Martin, Graham Taylor, Zia Haq
  • Porous polymers
    Patent number: 4611014
    Abstract: This invention discloses highly porous crosslinked functionalized polymers having interconnected cavities and a pore volume greater than 5.6 cc/g in the swollen state and having a capacity to absorb aqueous or organic acidic liquids from its dried state of at least 3 g liquid per gram of polymer. The polymers are generally based on styrene and/or methacrylate compositions and contain various ionic or polar functional groups.
    Type: Grant
    Filed: March 1, 1985
    Date of Patent: September 9, 1986
    Assignee: Lever Brothers Company
    Inventors: Keith Jomes, Barry R. Lothian, Alexander Martin, Graham Taylor, Zia Haq