Patents by Inventor Jürgen Münter

Jürgen Münter 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).

  • Aqueous polyurethane/polyurea dispersions
    Patent number: 9102781
    Abstract: The present invention pertains to aqueous polyurethane-polyurea dispersions which are prepared by the acetone process using methyl acetate instead of ketones and are chain-extended using hydrazine or derivatives thereof, these dispersions having an improved stability towards thermal yellowing and a relatively low residual hydrazine/hydrazine derivative content.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: August 11, 2015
    Assignee: STAHL INTERNATIONAL BV
    Inventor: Jürgen Münter
  • Aqueous Polyurethane/Polyurea Dispersions
    Publication number: 20090318634
    Abstract: The present invention pertains to aqueous polyurethane-polyurea dispersions which are prepared by the acetone process using methyl acetate instead of ketones and are chain-extended using hydrazine or derivatives thereof, these dispersions having an improved stability towards thermal yellowing and a relatively low residual hydrazine/hydrazine derivative content.
    Type: Application
    Filed: September 4, 2007
    Publication date: December 24, 2009
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventor: Jürgen Münter