Patents by Inventor Philip Coggon

Philip Coggon 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).

  • Cold water extractable tea leaf and process
    Patent number: 4051264
    Abstract: Cold water extractable tea leaf is prepared by treatment of fresh green tea with the enzyme tannase under anaerobic conditions. The cold water extractable tea leaf is also used to prepare an instant tea product.
    Type: Grant
    Filed: November 16, 1976
    Date of Patent: September 27, 1977
    Assignee: Thomas J. Lipton, Inc.
    Inventors: Gary Warner Sanderson, Andrew Charles Hoefler, Harold Nathaniel Graham, Philip Coggon