Patents by Inventor Raymond Foulon

Raymond Foulon 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).

  • Boric anhydride solutions and their use as hardeners of resols
    Patent number: 4323667
    Abstract: Concentrated boric anhydride solutions containing more than 5% of boric anhydride in an organic solvent selected from mono or polyalcohols, trialkylborate and/or dialkylacetal when the solvent also contains an acid selected from sulfuric acid and/or aromatic acids. These solutions are used as hardeners of formo-phenolic resols, more particularly for the manufacture of laminates comprising glass fibers and formo-phenolic resols.
    Type: Grant
    Filed: January 22, 1981
    Date of Patent: April 6, 1982
    Assignee: Societe Chimique des Charbonnages SA
    Inventors: Nicolas Meyer, Raymond Foulon
  • Boric anhydride solutions and their use as hardeners of resols
    Patent number: 4272403
    Abstract: Concentrated boric anhydride solutions containing more than 5% of boric anhydride in an organic solvent selected from mono or polyalcohols, trialkylborate and/or dialkylacetal when the solvent also contains an acid selected from sulfuric acid and/or aromatic acids. These solutions are used as hardeners of formo-phenolic resols, more particularly for the manufacture of laminates comprising glass fibers and formo-phenolic resols.
    Type: Grant
    Filed: June 15, 1979
    Date of Patent: June 9, 1981
    Assignee: Societe Chimiques des Charbonnages SA
    Inventors: Nicolas Meyer, Raymond Foulon