Patents by Inventor Timothy John Ollerenshaw

Timothy John Ollerenshaw 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).

  • Fiber production process
    Patent number: 5690874
    Abstract: A method of forming a flame retardant cellulose fiber is disclosed which comprises the steps of producing lyocell fiber and incorporating a flame retardant chemical into the fiber while the fiber is in the never-dried condition prior to first drying.
    Type: Grant
    Filed: November 7, 1995
    Date of Patent: November 25, 1997
    Assignee: Courtaulds Fibres (Holdings) Limited
    Inventors: Kathryn Diana Bell, Ian Graveson, Timothy John Ollerenshaw