Patents by Inventor Robert Warren Betty

Robert Warren Betty 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: 3968318
    Abstract: Lignocellulosic material (wood) of improved dimensional stability is disclosed. The wood is stabilized with one or more ethylenically unsaturated monomers, at least one of which is a vinyl-N-heterocyclic, especially vinyl pyrrolidone, which have been polymerized. A dimensional stabilization process is also disclosed.
    Type: Grant
    Filed: February 25, 1974
    Date of Patent: July 6, 1976
    Assignee: Du Pont of Canada Limited
    Inventor: Robert Warren Betty