Patents by Inventor Andrea Liskova

Andrea Liskova 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).

  • Process to produce silica-filled elastomeric compounds
    Patent number: 7238736
    Abstract: The present invention provides a process for preparing a filled halobutyl elastomer, which includes mixing a halobutyl elastomer with at least one mineral filler and at least one phosphine modifier and optionally curing the filled elastomer with sulfur or other curative systems. Filled halobutyl elastomers prepared according to the present invention possess improved levels of filler dispersion which results in a reduction in the hardness of the compound and an increased tensile strength.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: July 3, 2007
    Assignees: LANXESS Inc., Queens University at Kingston
    Inventors: John Scott Parent, Ralph Allen Whitney, Andrea Liskova, Rui Resendes
  • Process to produce silica-filled elastomeric compounds
    Publication number: 20050245649
    Abstract: The present invention provides a process for preparing a filled halobutyl elastomer, which includes mixing a halobutyl elastomer with at least one mineral filler and at least one phosphine modifier and optionally curing the filled elastomer with sulfur or other curative systems. Filled halobutyl elastomers prepared according to the present invention possess improved levels of filler dispersion which results in a reduction in the hardness of the compound and an increased tensile strength.
    Type: Application
    Filed: April 29, 2004
    Publication date: November 3, 2005
    Inventors: John Parent, Ralph Whitney, Andrea Liskova, Rui Resendes