Patents by Inventor William Alvis Kennedy

William Alvis Kennedy 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).

  • Cross-linker for flexible and semi-flexible polyurethane foams
    Patent number: 4115301
    Abstract: Novel flexible and semi-flexible polyurethane foams having good hardness properties and superior resistance to permanent set are disclosed. The novel foams are produced by reacting an organic polyisocyanate with a polyether polyol and employing as a cross-linker an effective amount of a polymethylene polyphenylamine having a functionality of from about 2.2 to about 2.7 having a specific isomeric distribution. The cross-linker is easy to handle and is compatible with urethane foam systems.
    Type: Grant
    Filed: January 6, 1977
    Date of Patent: September 19, 1978
    Assignee: Texaco Development Corp.
    Inventor: William Alvis Kennedy