Patents by Inventor Neil A. Frankel

Neil A. Frankel 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).

  • Preparation of thermoplastic polymer fibrilla and fibril
    Patent number: 4107243
    Abstract: Process is disclosed for preparing solid thermoplastic polymer fibrilla or fibril having a length which makes either useful for mixing with cellulosic pulp. Process involves forming a two phase mixture of polymer and solvent wherein one phase is a polymer-rich phase and the other is a solvent-rich phase. Said mixture is discharged through a suitable nozzle in laminar flow.
    Type: Grant
    Filed: June 10, 1976
    Date of Patent: August 15, 1978
    Assignee: Suntech, Inc.
    Inventors: Richard S. Stearns, Neil A. Frankel, Elmer J. Hollstein