Patents by Inventor Fred Chi-Tat Chung

Fred Chi-Tat Chung 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).

  • Fabrication of magnetic recording medium with lubricant
    Patent number: 4822637
    Abstract: Fabrication of magnetic recording media having a coating containing harsh pigment like CrO.sub.2 particles and adapted for frequent contact with a head, with good durability, abrasivity, etc., accommodated by using a lubricant system including a fluoro-silicone oil and a compatible fatty-acid-ester like butoxy ethyl stearate.
    Type: Grant
    Filed: November 7, 1986
    Date of Patent: April 18, 1989
    Assignee: Memorex Corporation
    Inventors: Fred Chi-Tat Chung, Ross P. Clark