Patents by Inventor Leendert M. Van Der Graaf

Leendert M. Van Der Graaf 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).

  • Puff pastry laminates
    Patent number: 5405626
    Abstract: A baked composite dough product comprising a puff pastry dough sheet having attached thereto, at least at one side, a sheet of pastry dough which acts as an anchoring layer for a moisture-barrier coating which is applied on to the pastry layer after baking.The invention also relates to said baked products with a moist filling material applied on to the moisture-barrier coating.
    Type: Grant
    Filed: March 9, 1992
    Date of Patent: April 11, 1995
    Assignee: Unilever Patent Holdings B.V.
    Inventors: Leendert M. Van Der Graaf, Nicolaas J. F. D. Verhoef