Patents by Inventor Delphine VRAU

Delphine VRAU 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).

  • Dry cement mixture
    Patent number: 9963390
    Abstract: A dry cement mixture comprises Portland cement and an ultra-fine component consisting of at least one ultra-fine additive, said ultra-fine component being a hydraulic binder, wherein Portland cement is present in an amount of at least 70 wt % of the mixture and the ultra-fine component is present in an amount of at least 5 wt % of the mixture, wherein the ultra-fine component has a particle size distribution characterized by a particle diameter D10 of between 0.5 ?m and 2 ?m and a particle diameter D90 of between 2 ?m and 8 ?m.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: May 8, 2018
    Assignee: HOLCIM TECHNOLOGY, LTD.
    Inventors: Thomas Hoornaert, Stephane Gonichon, Delphine Vrau, Hubert Mahouche, Moussa Baalbaki, David Babayan
  • Dry Cement Mixture
    Publication number: 20170197883
    Abstract: A dry cement mixture comprises Portland cement and an ultra-fine component consisting of at least one ultra-fine additive, said ultra-fine component being a hydraulic binder, wherein Portland cement is present in an amount of at least 70 wt % of the mixture and the ultra-fine component is present in an amount of at least 5 wt % of the mixture, wherein the ultra-fine component has a particle size distribution characterized by a particle diameter D10 of between 0.5 ?m and 2 ?m and a particle diameter D90 of between 2 ?m and 8 ?m.
    Type: Application
    Filed: June 23, 2015
    Publication date: July 13, 2017
    Inventors: Thomas HOORNAERT, Stephane GONICHON, Delphine VRAU, Hubert MAHOUCHE, Moussa BAALBAKI, David BABAYAN