Patents by Inventor Therese Grollier-Baron

Therese Grollier-Baron 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).

  • Method of preparing sialon products
    Patent number: 4360506
    Abstract: The invention relates to a method of preparing a product containing, as a single crystalline phase, a solid solution or .beta.'-sialon type having the general formula Si.sub.6-Z Al.sub.Z O.sub.Z N.sub.8-Z where Z=1 to 4, which comprises heating in a nitrogen atmosphere, at 1400.degree.-1600.degree. C., agglomerated elements obtained by drying a paste comprising a silico-aluminous material, such as kaolinitic clay, carbon, and a pore-generating agent comprised of fine particles of a ligneous material, such as sawdust or a powder of olive stones.
    Type: Grant
    Filed: July 30, 1980
    Date of Patent: November 23, 1982
    Assignee: Societe Europeenne des Produits Refractaires
    Inventors: Rene A. Paris, Therese Grollier-Baron