Patents by Inventor Guillaume Philippe Colette Lavergne

Guillaume Philippe Colette Lavergne 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).

  • Polycarbonate compositions, articles formed therefrom, and methods of manufacture thereof
    Patent number: 9328240
    Abstract: A composition comprises a first polycarbonate having a limited oxygen index of greater than 26% measured according to ISO 4589 on a 4 mm thick plaque, wherein an article molded from the first polycarbonate has a smoke density after 4 minutes (DS-4) of greater than 600 determined according to ISO 5659-2 on a 3 mm thick plaque at 50 kW/m2; and a second polymer different from the first polycarbonate, the second polymer comprising a poly(carbonate-siloxane) copolymer, a polydialkylsiloxane, or a combination comprising at least one of the foregoing; wherein an article molded from the second polymer has a smoke density after 4 minutes (DS-4) of greater than 600 determined according to ISO 5659-2 on a 3 mm thick plaque at 50 kW/m2; wherein an article molded from the composition has a smoke density after 4 minutes (DS-4) of smaller than 480 determined according to ISO 5659-2 on a 3 mm thick plaque at 50 kW/m2.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: May 3, 2016
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Mark Adrianus Johannes van der Mee, Roland Sebastian Assink, Paul Dean Sybert, Guillaume Philippe Colette Lavergne, Robert Dirk van de Grampel
  • POLYCARBONATE COMPOSITIONS, ARTICLES FORMED THEREFROM, AND METHODS OF MANUFACTURE THEREOF
    Publication number: 20140179843
    Abstract: A composition comprises a first polycarbonate having a limited oxygen index of greater than 26% measured according to ISO 4589 on a 4 mm thick plaque, wherein an article molded from the first polycarbonate has a smoke density after 4 minutes (DS-4) of greater than 600 determined according to ISO 5659-2 on a 3 mm thick plaque at 50 kW/m2; and a second polymer different from the first polycarbonate, the second polymer comprising a poly(carbonate-siloxane) copolymer, a polydialkylsiloxane, or a combination comprising at least one of the foregoing; wherein an article molded from the second polymer has a smoke density after 4 minutes (DS-4) of greater than 600 determined according to ISO 5659-2 on a 3 mm thick plaque at 50 kW/m2; wherein an article molded from the composition has a smoke density after 4 minutes (DS-4) of smaller than 480 determined according to ISO 5659-2 on a 3 mm thick plaque at 50 kW/m2.
    Type: Application
    Filed: December 21, 2012
    Publication date: June 26, 2014
    Applicant: SABIC INNOVATIVE PLASTICS IP B.V.
    Inventors: Mark Adrianus Johannes van der Mee, Roland Sebastian Assink, Paul Dean Sybert, Guillaume Philippe Colette Lavergne, Robert Dirk van de Grampel