Patents by Inventor Hendrik Willem Huisman

Hendrik Willem Huisman 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).

  • Heavy metal-free stabilizer composition for halogenated polymers
    Patent number: 8772382
    Abstract: The present invention relates to a stabilizer composition for halogen-containing polymers which is free from heavy metals, the use thereof in the stabilizing of halogen-containing polymers, in particular against an undesirable pink coloration, and shaped articles comprising this stabilizer composition.
    Type: Grant
    Filed: November 26, 2009
    Date of Patent: July 8, 2014
    Assignee: Chemson Polymer-Additive AG
    Inventors: Bernhard Pelzl, Michael Schiller, Hendrik Willem Huisman
  • HEAVY METAL-FREE STABILIZER COMPOSITION FOR HALOGENATED POLYMERS
    Publication number: 20110311744
    Abstract: The present invention relates to a stabilizer composition for halogen-containing polymers which is free from heavy metals, the use thereof in the stabilizing of halogen-containing polymers, in particular against an undesirable pink coloration, and shaped articles comprising this stabilizer composition.
    Type: Application
    Filed: November 26, 2009
    Publication date: December 22, 2011
    Applicant: CHEMSON POLYMER-ADDITIVE AG
    Inventors: Bernhard Pelzl, Michael Schiller, Hendrik Willem Huisman
  • Use of halogenated sulfonates as a stabilizer booster in PVC
    Patent number: 6982292
    Abstract: The invention relates to a process to make stabilized PVC wherein use is made of at least one compound of the formula wherein M is selected from the group consisting of alkali metals, alkali earth metals, Al, and transition elements, and R is selected from the group consisting of substituted, linear or branched, alkyl, cycloalkyl, aryl, alkaryl, and aralkyl moieties, the substituents comprising at least one or more electron-withdrawing groups, as a color stability booster.
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: January 3, 2006
    Assignee: Akzo Nobel NV
    Inventors: Daniël Stephan Van Es, Jacco Van Haveren, Augustinus Emmanuel Frissen, Johannes Cornelis Van Der Kolk, Gerard Hubert Frans Schmets, Hendrik Willem Huisman, Heather Blue Harvey
  • Use of halogenated sulfonates as a stabilizer booster in PVC
    Publication number: 20030065072
    Abstract: The invention relates to a process to make stabilized PVC wherein use is made of at least one compound of the formula 1
    Type: Application
    Filed: August 6, 2002
    Publication date: April 3, 2003
    Inventors: Daniel Stephan Van Es, Jacco Van Haveren, Augustinus Emmanuel Frissen, Johannes Cornelis Van Der Kolk, Gerard Hubert Frans Schmets, Hendrik Willem Huisman, Heather Blue Harvey
  • Stabliser system comprising hydroxyacids
    Publication number: 20020032259
    Abstract: The invention relates to a stabilizer system and the use thereof in the processing of vinyl chloride (co)polymers, said stabilizer system comprising at least the salt of specific hydroxyacid and one or more color stabilizers. Stabilized PVC, obtainable by compounding said stabilizer system into said vinyl chloride (co)polymer, shows good color and heat stability, while preferred stabilizer systems also are allowed to be used in food-grade, including drinking water-grade, PVC applications.
    Type: Application
    Filed: July 11, 2001
    Publication date: March 14, 2002
    Inventors: Heather Blue Harvey, Hendrik Willem Huisman, Peter Klaess