Patents by Inventor David Chantrill Spaulding

David Chantrill Spaulding 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).

  • Flexible water absorbent polymer compositions comprising (A) unsaturated carboxylic acid, acrylic ester containing alkyl group 10-30 carbon atoms, additional monomer plus (B) aliphatic diol
    Patent number: 4066583
    Abstract: Flexible films, fibers, and the like, of (1) potassium, ammonium and amine salts of unsaturated copolymerizable carboxylic acids, at least one alkyl acrylate or methacrylate ester wherein the alkyl group contains 10 to 30 carbon atoms and at least one of an alkyl acrylate or methacrylate wherein the alkyl group contains 1 to 9 carbon atoms, an acrylic or methacrylic nitrile or amide optionally with a small amount of a cross-linking agent and (2) an aliphatic glycol, rapidly absorb and retain large quantities of water and ionic fluids are useful in disposable nonwoven articles.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: January 3, 1978
    Assignee: The B. F. Goodrich Company
    Inventor: David Chantrill Spaulding