Patents by Inventor Patrice Lehuede

Patrice Lehuede 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).

  • Mineral wool composition
    Patent number: 6897173
    Abstract: Mineral wool capable of dissolving in a physiological medium, and which comprises fibers whose constituents are mentioned below in the following percentages by weight: SiO2 35-60%,? preferably 39-55%? Al2O3 12-27%,? ? 16-25%? CaO 0-35%, ? 3-25% MgO 0-30%, ? 0-15% Na2O 0-17%, ? 6-12% K2O 0-17%, ? 3-12% R2O (Na2O + K2O) 10-17%,? ? 12-17%? P2O5 0-5%,? ? 0-2%? Fe2O3 0-20%, B2O3 0-8%,? ? 0-4%? TiO2 0-3%,? and also comprises a phosphorus compound, the phosphorus content of which, expressed in P2O5 form, varies from 0.2%, especially from more than 0.5%, to 5%, especially to less than 2%, of the total mass of fibers, which is capable of reacting above 100° C. with the fibers to form a coating on the surface of the fibers.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: May 24, 2005
    Assignee: Saint-Gobain Isover
    Inventors: Jean-Luc Bernard, Serge Vignesoult, Patrice Lehuede
  • Mineral wool composition
    Publication number: 20030181306
    Abstract: Mineral wool capable of dissolving in a physiological medium, and which comprises fibers whose constituents are mentioned below in the following percentages by weight: 1 SiO2 35-60%,  preferably 39-55%  Al2O3 12-27%,  ″ 16-25%  CaO 0-35%, ″ 3-25% MgO 0-30%, ″ 0-15% Na2O 0-17%, ″ 6-12% K2O 0-17%, ″ 3-12% R2O (Na2O + K2O) 10-17%,  ″ 12-17%  P2O5 0-5%,  ″ 0-2%  Fe2O3 0-20%, B2O3 0-8%,  ″ 0-4%  TiO2 0-3%, 
    Type: Application
    Filed: November 21, 2002
    Publication date: September 25, 2003
    Inventors: Jean-Luc Bernard, Serge Vignesoult, Patrice Lehuede