Patents by Inventor Geert G. I. V. Bonte

Geert G. I. V. Bonte 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).

  • Light-stable copolyether ester composition
    Patent number: 6573317
    Abstract: The invention relates to a copolyether ester composition protected against the influence of light that contains (1) a copolyether ester; (2) a UV-light-absorbing compound; (3) a hindered amine photostabilizer; (4) optionally a thermal-oxidative stabilizer chosen from the group comprising phenolic compounds; (5) optionally other additives, characterized in that the hindered amine photostabilizer is chosen from a group of compounds having the general formula (1). The composition according to the invention shows a very small amount of discoloration in ageing under the influence of light.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: June 3, 2003
    Assignee: DSM N.V.
    Inventors: Geert G. I. V. Bonte, Pieter Gijsman
  • Light-stable copolyether ester composition
    Publication number: 20020032255
    Abstract: The invention relates to a copolyether ester composition protected against the influence of light that contains
    Type: Application
    Filed: April 26, 2001
    Publication date: March 14, 2002
    Inventors: Geert G.I.V. Bonte, Pieter Gijsman