Patents by Inventor John V. Lawton

John V. Lawton 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).

  • Patent number: 4540731
    Abstract: A vinyl plastisol sealant which is formed from a mixture of a dispersion resin, a blending resin, a solution-grade resin, a plasticizer, a filler and a silane adhesion promoter. The solution-grade resin is first predissolved in the plasticizer, and then mixed with the other components to produce a plastisol sealant which cures at a relatively low temperature.
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: September 10, 1985
    Assignee: Niles Chemical Paint Co.
    Inventors: John P. Gilvary, John V. Lawton