Patents by Inventor Robert O. Mass

Robert O. Mass 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).

  • Patent number: 4046718
    Abstract: Reliable continual preparation of polymers is obtained using a tubular reactor by intermittently feeding monomer, permitting substantial polymerization, adding additional monomer to displace a portion of the polymer formed and repeating the foregoing cycle. Plugging of the reactor is avoided.
    Type: Grant
    Filed: June 17, 1976
    Date of Patent: September 6, 1977
    Assignee: The Dow Chemical Company
    Inventors: Robert O. Mass, Donald L. Tomkinson