Patents by Inventor Laurent Gaudry

Laurent Gaudry 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).

  • Quick binder for self compacting concrete, use and application of same
    Patent number: 7029527
    Abstract: A binder for self-compacting concrete includes, in dry weight of the-binder, 70 to 90% of Portland cement, 4 to 16% of calcium aluminate, 4 to 14% of calcium sulphate, an accelerator and a retarder, 0 to 2% of Ca(OH)2 and at least an additive with a water reducer. The calcium sulphate is in the form of anhydrite and the water reducer has at least a superplasticizer consisting of a water soluble or water dispersible organic compound, having at least an amino-di(alkylene-phosphonic) group and at least a polyoxyalkylated chain or at least one of its salts.
    Type: Grant
    Filed: June 19, 2001
    Date of Patent: April 18, 2006
    Assignee: Lafarge Aluminates
    Inventors: Laurent Gaudry, Christian Marez
  • Quick binder for self compacting concrete, use and application of same
    Publication number: 20040099185
    Abstract: A binder for self-compacting concrete includes, in dry weight of the-binder, 70 to 90% of Portland cement, 4 to 16% of. calcium aluminate, 4 to 14% of calcium sulphate, an accelerator and a retarder, 0 to 2% of Ca(OH)2 and at least an additive with a water reducer. The calcium sulphate is in the form of anhydrite and the water reducer has at least a superplasticizer consisting of a water soluble or water dispersible organic compound, having at least an amino-di(alkylene-phosphonic) group and at least a polyoxyalkylated chain or at least one of its salts.
    Type: Application
    Filed: July 14, 2003
    Publication date: May 27, 2004
    Inventors: Laurent Gaudry, Christian Marez