Patents by Inventor Henrikus Petrus Cornelis Van Heerbeek

Henrikus Petrus Cornelis Van Heerbeek 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).

  • Copolycarbonate lenses, methods of manufacture, and applications thereof
    Patent number: 10723877
    Abstract: A lens containing a polycarbonate composition is disclosed. The polycarbonate composition includes a copolycarbonate having bisphenol A carbonate units and second carbonate units of the formula and 2 to 40 ppm of an organosulfonic stabilizer of the formula wherein the second carbonate units are present in an amount of 20 to 49 mol %, preferably 30 to 40 mol % based on the sum of the moles of the copolycarbonate and the bisphenol A homopolycarbonate. The polycarbonate composition has: a Vicat B120 of 160° C. or higher measured according to ISO 306; and a yellowness index of less than 12, measured according to ASTM D1925.
    Type: Grant
    Filed: May 27, 2017
    Date of Patent: July 28, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Mark Adrianus Johannes Van Der Mee, Nathalie Gonzalez Vidal, Fabrizio Micciche, Roland Sebastian Assink, Kazuhiko Mitsui, Johannes De Brouwer, Shahram Shafaei, Henrikus Petrus Cornelis Van Heerbeek, Tamara Marijke Eggenhuisen, Robert Dirk Van De Grampel