Patents by Inventor Caspar Jules Albert Anton Roelofs

Caspar Jules Albert Anton Roelofs 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).

  • Patent number: 9309408
    Abstract: The invention is directed to an additive composition comprising at least one clarifying and/or nucleating agent for polyolefins, which agent is a powder having a melting point of at least 190° C., in an amount of at least 70 wt. %, based on the weight of the composition, and at least one wax having a viscosity, as defined herein of at least 500 m Pa·s, in an amount between 0.5 and 30 wt. %, based on the weight of the composition.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: April 12, 2016
    Assignee: HOLLAND COLOURS N.V.
    Inventors: Johannes Henricus Hurenkamp, Caspar Jules Albert Anton Roelofs, Jeroen Marissen
  • Publication number: 20140353550
    Abstract: The invention is directed to an additive composition comprising at least one clarifying and/or nucleating agent for polyolefins, which agent is a powder having a melting point of at least 190° C., in an amount of at least 70 wt. %, based on the weight of the composition, and at least one wax having a viscosity, as defined herein of at least 500 m Pa·s, in an amount between 0.5 and 30 wt. %, based on the weight of the composition.
    Type: Application
    Filed: August 14, 2012
    Publication date: December 4, 2014
    Applicant: HOLLAND COLOURS N.V.
    Inventors: Johannes Henricus Hurenkamp, Caspar Jules Albert Anton Roelofs, Jeroen Marissen