Patents by Inventor Benoit Cotnoir

Benoit Cotnoir 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).

  • Low density cementitious compositions
    Patent number: 8394744
    Abstract: A manufactured cementitious binder including a hydraulic binder in an amount in the range of from about 40 to 75% by weight of the cementitious binder; metakaolin in an amount greater than about 5% by weight of the cementitious binder; silica fume in an amount up to about 15% by weight of the cementitious binder; and cement kiln dust in an amount greater than about 10% by weight of the cementitious binder, the cement kiln dust including chlorine in an amount of at least 0.1% by weight of the cement kiln dust, the cementitious binder providing a cementitious settable composition, when added with water and without a lightweight additive, that has a density lower than about 13 pounds per gallon and greater than about 11 pounds per gallon and a 24 hour compressive strength at 100 F, as hardened, of at least 500 psi.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: March 12, 2013
    Assignee: LaFarge
    Inventors: Wes Woytowich, Bill Carruthers, Benoit Cotnoir, Paul Lehoux, Richard McCorkle, Eric Bowman
  • LOW DENSITY CEMENTITIOUS COMPOSITIONS
    Publication number: 20100294496
    Abstract: A manufactured cementitious binder including a hydraulic binder in an amount in the range of from about 40 to 75% by weight of the cementitious binder; metakaolin in an amount greater than about 5% by weight of the cementitious binder; silica fume in an amount up to about 15% by weight of the cementitious binder; and cement kiln dust in an amount greater than about 10% by weight of the cementitious binder, the cement kiln dust including chlorine in an amount of at least 0.1% by weight of the cement kiln dust, the cementitious binder providing a cementitious settable composition, when added with water and without a lightweight additive, that has a density lower than about 13 pounds per gallon and greater than about 11 pounds per gallon and a 24 hour compressive strength at 100 F, as hardened, of at least 500 psi.
    Type: Application
    Filed: May 17, 2010
    Publication date: November 25, 2010
    Applicant: LAFARGE
    Inventors: Wes Woytowich, Bill Carruthers, Benoit Cotnoir, Paul Lehoux, Richard McCorkle, Eric Bowman