Patents by Inventor Jan Ockeloen

Jan Ockeloen 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).

  • Polymeric articles having embedded phases
    Patent number: 6447875
    Abstract: A die apparatus, a method of using the die apparatus to produce co-extruded polymeric articles, and co-extruded polymeric articles produced using the die apparatus and method are disclosed. The die apparatus includes a hollow vane configured to extrude a material into a chamber within the die, thereby producing a co-extruded web. The co-extruded web has a plurality of distinct, discontinuous phases in the cross-web direction, the phases having a uniform width as shown by a coefficient of variation of less than 8 percent for, any three consecutive phases. The phases are substantially continuous down-web and are surrounded by a matrix having two or more layers.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: September 10, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Scott G. Norquist, Dennis L. Krueger, Alan J. Sipinen, Robert H. Menzies, Thomas P. Hanschen, Ronald P. Leseman, Sharon N. Mitchell, James C. Nygard, Victor P. Thalacker, Jan Ockeloen