Patents by Inventor William Rees Foster

William Rees Foster 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).

  • Nitrogen polymer compositions having thermally reversible cross-links resulting from treatment with organometallic compounds
    Patent number: 3950313
    Abstract: Polymer compositions and processes for preparing polymer compositions having thermally reversible cross-links are described which compositions comprise a polymer having nitrogen atom-containing groups pendant from the polymer chain cross-linked by co-ordination bonds of nitrogen atoms of adjacent chains with the metal atom of a metal-containing organic compound in which the metal atom is attached to the organic moiety through sulfur or oxygen.
    Type: Grant
    Filed: November 6, 1972
    Date of Patent: April 13, 1976
    Assignee: Monsanto Chemicals Limited
    Inventors: Peter James Stratford Bain, William Rees Foster, Alan Jeffrey Neale