Patents by Inventor C. Neil Keeney

C. Neil Keeney 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).

  • Inhibition of polyurethane hardening
    Patent number: 4433089
    Abstract: Elastomeric polyurethanes, e.g. as prepared by reacting diisocyanate-capped, essentially linear polyester or polyether and polyol suitable for cross-linking thereof, are inhibited against undesired hardening in use or storage by including in the polyurethane-forming reactant mixture a plasticizing composition composed of carboxylate having a 200-1,000 molecular weight and at least two monocyclic aryl radicals per molecule and, based on the weight of said carboxylate, 0.1-5% glycol having a 62-500 molecular weight.
    Type: Grant
    Filed: June 10, 1982
    Date of Patent: February 21, 1984
    Assignee: Monsanto Company
    Inventors: C. Neil Keeney, Paul W. May, Jr., Albert W. Morgan
  • Inhibition of polyurethane hardening
    Patent number: 4349640
    Abstract: Elastomeric polyurethanes, e.g. as prepared by reacting diisocyanate-capped, essentially linear polyester or polyether and polyol suitable for cross-linking thereof, are inhibited against undesired hardening in use or storage by including in the polyurethane-forming reactant mixture a plasticizing composition composed of carboxylate having a 200-1,000 molecular weight and at least two monocyclic aryl radicals per molecule and, based on the weight of said carboxylate, 0.1-5% glycol having a 62-500 molecular weight.
    Type: Grant
    Filed: September 14, 1978
    Date of Patent: September 14, 1982
    Assignee: Monsanto Company
    Inventors: C. Neil Keeney, Paul W. May, Jr., Albert W. Morgan