Patents by Inventor Pallassana V. Narayanan

Pallassana V. Narayanan 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).

  • Magnetic recording element
    Patent number: 4849291
    Abstract: A magnetic recording element comprises a polymeric film substrate on which is formed a thin CoNi recording layer. Over the latter is a protective layer of an acrylic copolymer of a perfluoroalkyl methanol ester of acrylic or methacrylic acid, preferably formed by plasma polymerization. The layer is tough, has a low coefficient of friction and protects the magnetic layer against corrosion.
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: July 18, 1989
    Assignee: Eastman Kodak Company
    Inventors: Paul D. Yacobucci, Jesse T. Gerard, Pallassana V. Narayanan