Patents by Inventor Jean-Michel Sohm

Jean-Michel Sohm 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 reinforced compositions
    Patent number: 4793861
    Abstract: The invention relates to a cement-based product which is reinforced with glass fibers having good resistance to alkaline environments. The product of the invention contains, for each 100 parts by weight of cement, about 10 to 40 parts by weight of metakaolin, the latter exhibiting a reactivity to the modified Chapelle test greater than 500 mg of CaO per gram of metakaolin. The product of the invention has many uses in the building trade, particularly to produce facade coverings.
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: December 27, 1988
    Assignee: Vetrotex Saint-Gobain
    Inventor: Jean-Michel Sohm