Patents by Inventor Marcel Rayane

Marcel Rayane 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).

  • Protection of a dispersing agent during a grinding operation
    Patent number: 8629202
    Abstract: A method includes using a composition in the production of cement, the composition including at least one dispersing agent and at least one sacrificial molecule to partially or totally retain the properties of the dispersing agent; being either in the form of a liquid solution, or an emulsion or a suspension; the quantity of the sacrificial molecule in the composition representing at least 5% by mass of the mass of dispersing agent; and being introduced before or during the grinding of the clinker.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: January 14, 2014
    Assignee: Lafarge
    Inventors: Horacio Naranjo, Rémi Barbarulo, Christine Chaumilliat, Martin Mosquet, Marcel Rayane
  • PROTECTION OF A DISPERSING AGENT DURING A GRINDING OPERATION
    Publication number: 20120136096
    Abstract: A method includes using a composition in the production of cement, the composition including at least one dispersing agent and at least one sacrificial molecule to partially or totally retain the properties of the dispersing agent; being either in the form of a liquid solution, or an emulsion or a suspension; the quantity of the sacrificial molecule in the composition representing at least 5% by mass of the mass of dispersing agent; and being introduced before or during the grinding of the clinker.
    Type: Application
    Filed: July 23, 2010
    Publication date: May 31, 2012
    Applicant: LAFARGE
    Inventors: Horacio Naranjo, Rémi Barbarulo, Christine Chaumilliat, Martin Mosquet, Marcel Rayane