Patents by Inventor Gerard Hubert Frans Schmets

Gerard Hubert Frans Schmets 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).

  • 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
  • Use of polyalcohols as polymer stabilizers
    Patent number: 6313203
    Abstract: Natural cyclic polyalcohols such as polyfructoses and, dehydration products of sugar alcohols can be used for stabilising thermoplastic polymers, at a ratio of 0.001-5 phr of polyol with respect to the polymer. The cyclic polyol is in particular inulin or sorbitan. The polymer to be stabilised is in particular PVC, PE, PP or a halogenated rubber.
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: November 6, 2001
    Assignee: Akcros Chemicals
    Inventors: Jacco Van Haveren, Hendrikus Luitjes, Gerard Hubert Frans Schmets, Frans Jeanette Maria Leonardus Peters, Erica Gertruda Arnolda Kroon, Johannes Albertus Van Der Waal