Patents by Inventor Bernard Coupal

Bernard Coupal 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).

  • Process for bleaching peat moss and resulting product
    Patent number: 4170515
    Abstract: A process for bleaching peat moss at acid pHs to produce a peat moss product of enhanced color and which substantially maintains its original structure.
    Type: Grant
    Filed: February 21, 1978
    Date of Patent: October 9, 1979
    Assignee: Johnson & Johnson
    Inventors: Jean-Marc Lalancette, Bernard Coupal