Patents by Inventor Hakimi Yahiaoui

Hakimi Yahiaoui 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).

  • Water-reducing agent for hydraulic binders
    Patent number: 8962713
    Abstract: A method includes using copolymers including at least polyoxyalkylenated monomer units and at least phosphorus-comprising monomer units as water-reducing agent in hydraulic binders.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: February 24, 2015
    Assignee: Continental Building Products LLC
    Inventors: Jean-Michel Faure, Olivier Watt, David Rinaldi, Hakimi Yahiaoui
  • On-line production process of sand presenting a controlled methylene blue value
    Patent number: 8561488
    Abstract: An embodiment of the invention provides a production process of sand including the extraction of sand from a quarry; the periodic, on-line and automated withdrawal of a sample of sand; and the automated measurement of the methylene blue value on the sample of sand. Another embodiment of the invention provides a production line of sand including means of extraction of sand from a quarry; periodic and automated means of withdrawal of a sample of sand; and automated means of measuring the methylene blue value for the sample of sand.
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: October 22, 2013
    Assignee: Lafarge
    Inventors: Alain Jacquet, Laurence Martin, Stephane Brocas, Hakimi Yahiaoui
  • Admixture for a hydraulic binder
    Patent number: 8552093
    Abstract: A method of using an admixture in hydraulic binders, in particular in plaster-based or anhydrous calcium sulphate-based compounds, the admixture being an acrylic polymer with controlled end chains.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: October 8, 2013
    Assignee: Lafarge Gypsum International
    Inventors: Laurent Meunier, David Rinaldi, Hakimi Yahiaoui, Jean-Michel Faure
  • WATER-REDUCING AGENT FOR HYDRAULIC BINDERS
    Publication number: 20120016059
    Abstract: A method includes using copolymers including at least polyoxyalkylenated monomer units and at least phosphorus-comprising monomer units as water-reducing agent in hydraulic binders.
    Type: Application
    Filed: March 23, 2010
    Publication date: January 19, 2012
    Applicant: LAFARGE GYPSUM INTERNATIONAL
    Inventors: Jean-Michel Faure, Olivier Watt, David Rinaldi, Hakimi Yahiaoui
  • ADMIXTURE FOR A HYDRAULIC BINDER
    Publication number: 20110086947
    Abstract: A method of using an admixture in hydraulic binders, in particular in plaster-based or anhydrous calcium sulphate-based compounds, the admixture being an acrylic polymer with controlled end chains.
    Type: Application
    Filed: June 10, 2009
    Publication date: April 14, 2011
    Applicant: LAFARGE GYPSUM INTERNATIONAL
    Inventors: Laurent Meunier, David Rinaldi, Hakimi Yahiaoui, Jean-Michel Faure
  • ON-LINE PRODUCTION PROCESS OF SAND PRESENTING A CONTROLLED METHYLENE BLUE VALUE
    Publication number: 20090241696
    Abstract: An embodiment of the invention provides a production process of sand including the extraction of sand from a quarry; the periodic, on-line and automated withdrawal of a sample of sand; and the automated measurement of the methylene blue value on the sample of sand. Another embodiment of the invention provides a production line of sand including means of extraction of sand from a quarry; periodic and automated means of withdrawal of a sample of sand; and automated means of measuring the methylene blue value for the sample of sand.
    Type: Application
    Filed: September 25, 2007
    Publication date: October 1, 2009
    Applicant: LAFARGE
    Inventors: Alain Jacquet, Laurence Martin, Stephane Brocas, Hakimi Yahiaoui