Patents by Inventor Hubertus Matthias Zink

Hubertus Matthias Zink 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).

  • Fluidising composition
    Patent number: 8177905
    Abstract: A fluidizing admixture for use with sprayable cementitious compostions, the admixture consists of 2-phosphonobutane-1,2,4-tricarboxylic acid and at least one selected polymer derived from ethylenically-unsaturated mono- or dicarboxylic acids. Citric acid may optionally be present. The admixture has good fluidizing properties and outstanding shelf-life.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: May 15, 2012
    Assignee: Construction Research & Technology GmbH
    Inventors: Gerhard Albrecht, Max Oppliger, Qiwei Yang, Hubertus Matthias Zink
  • Fluidising Composition
    Publication number: 20100130647
    Abstract: A fluidising admixture for use with sprayable cementitious compostions, the admixture consists of 2-phosphonobutane-1,2,4-tricarboxylic acid and at least one selected polymer derived from ethylenically-unsaturated mono- or dicarboxylic acids. Citric acid may optionally be present. The admixture has good fluidising properties and outstanding shelf-life.
    Type: Application
    Filed: January 27, 2010
    Publication date: May 27, 2010
    Inventors: Gerhard Albrecht, Max Oppliger, Qiwei Yang, Hubertus Matthias Zink
  • FLUIDISING COMPOSITION
    Publication number: 20080221243
    Abstract: A fluidising admixture for use with sprayable cementitious compostions, the admixture consists of 2-phosphonobutane-1,2,4-tricarboxylic acid and at least one selected polymer derived from ethylenically-unsaturated mono- or dicarboxylic acids. Citric acid may optionally be present. The admixture has good fluidising properties and outstanding shelf-life.
    Type: Application
    Filed: February 29, 2008
    Publication date: September 11, 2008
    Inventors: Gerhard ALBRECHT, Max Oppliger, Qiwei Yang, Hubertus Matthias Zink