Patents by Inventor Robert Heynderickx

Robert Heynderickx 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).

  • Polyester composition comprising polybutylene terephthalate resin
    Patent number: 7388067
    Abstract: Polyester compositions and methods to prepare and use such compositions are provided. The polyester compositions include a polybutylene terephthalate resin (PBT) and at least one additive, and have a cyclic dimer content of less than 0.35 wt. % relative to the weight of the PBT. Molded parts prepared from such polyester compositions, and mirror optic systems such as headlights for motor vehicles or garden reflector lights which include the molded parts are also described.
    Type: Grant
    Filed: May 27, 2004
    Date of Patent: June 17, 2008
    Assignee: DSM IP Assets B.V.
    Inventors: Luc E. F. Leemans, Wouter Gabrielse, Gerard H Werumeus Buning, Eric J. H. E. Coenen, Hendrikus L. Nelissen, Robert A. Heynderickx
  • Polyester composition comprising polybutylene terephthalate resin
    Publication number: 20060270824
    Abstract: ABSTRACT OF THE DISCLOSURE The invention relates to a polyester composition comprising a polybutylene terephthalate resin (PBT) and at least one additive, wherein the composition has a cyclic dimer content of less than 0.35 wt. % relative to the weight of the PBT. The invention also relates to moulded parts, prepared from this polyester composition, and mirror optic systems such as headlights for motor vehicles or garden reflector lights, comprising these moulded parts. The invention further relates to a PBT having a cyclic dimer content of less than 0.35 wt. %, a process for preparing this PBT and the use of the PBT for preparing the polyester composition according to the invention.
    Type: Application
    Filed: May 27, 2004
    Publication date: November 30, 2006
    Inventors: Luc Leemans, Wouter Gabrielse, Gerard Werumeus Buning, Eric Coenen, Hendrikus Nelissen, Robert Heynderickx