Patents by Inventor Simone Le Moigne

Simone Le Moigne 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).

  • Glass fibers and a composition for manufacturing the same
    Patent number: 4615988
    Abstract: Glass fibers having the following constituents in the ranges of proportions indicated: SiO.sub.2, 57-70 wt. %; Al.sub.2 O.sub.3, 2-7 wt. %; CaO, 5-10 wt. %; MgO, 0-4 wt. %; B.sub.2 O.sub.3, 0-4.5 wt. %; and F, 0.5-4 wt. %; and wherein B.sub.2 O.sub.3 and F are present in amounts according to the relationship:3.ltoreq.B.sub.2 O.sub.3 +1.5 F.ltoreq.6.5and wherein the fibers also contain the alkali oxides Na.sub.2 O and K.sub.2 O, in amounts according to the relationship:16 wt. %<Na.sub.2 O+K.sub.2 O<20 wt. %.The glass fibers are used advantageously in thermal and/or acoustic insulation.
    Type: Grant
    Filed: September 19, 1984
    Date of Patent: October 7, 1986
    Assignee: Isover Saint-Gobain
    Inventors: Simone Le Moigne, Marcel Boivent, Guy Matzen