Patents by Inventor John D. Mansell

John D. Mansell 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).

  • Surface sizing composition
    Patent number: 5059675
    Abstract: Disclosed are compositions useful as surface coatings for nonwoven substrates which compositions are reaction products of a melamine formaldehyde compound, long chain saturated alcohols and long chain saturated or unsaturated polyethoxylated alcohols. The invention compositions when used to surface size paper impart oil, water and polar solvent resistance thereto. The compositions may be used alone or as substantial replacements for anionic or non-ionic fluorocarbon based surface sizes that are typically used to impart oil resistance to paper.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: October 22, 1991
    Assignee: PPG Industries, Inc.
    Inventors: William W. Carlin, Sai H. Hui, John D. Mansell
  • Electro organic method and apparatus for carrying out same
    Patent number: 4484989
    Abstract: Discloses a solid polymer electrolyte having ring ethers bonded to a polymer matrix, with metal ions chelated by the ring ethers.
    Type: Grant
    Filed: March 25, 1983
    Date of Patent: November 27, 1984
    Assignee: PPG Industries, Inc.
    Inventor: John D. Mansell
  • Vapor phase chlorination of 1,1-dichloroethane
    Patent number: 4192823
    Abstract: In the preparation of methylchloroform by vapor phase chlorination of 1,1-dichloroethane, the formation of undesirable chlorohydrocarbon reaction products is suppressed by conducting the vapor phase reaction in the presence of a controlled amount of carbon dioxide gas.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: March 11, 1980
    Assignee: PPG Industries, Inc.
    Inventors: Walker H. Rideout, John D. Mansell