Patents by Inventor John L. McCurdy

John L. McCurdy 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).

  • Process for producing impact resistant polymer
    Patent number: 3945976
    Abstract: Our invention concerns a continuous process for producing an impact resistant polymer wherein a vinyl aromatic compound and rubber are mass polymerized under increasing temperature conditions. The reacting mass flows through multiple reactors providing distinct reaction zones wherein specific reaction conditions are maintained.
    Type: Grant
    Filed: November 30, 1973
    Date of Patent: March 23, 1976
    Assignee: Standard Oil Company
    Inventors: John L. McCurdy, Norman Stein