Patents by Inventor Jean-Pierre Mazzone

Jean-Pierre Mazzone 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).

  • Patent number: 4594288
    Abstract: Lenses of allyl-N-ethylene glycol carbonate having enhanced resistance to scratching or abrasion can be formed by preparing a substrate of a polymer or copolymer of allyl-N-ethylene glycol carbonate, the substrate being at least partially polymerized. A thin film of a copolymer of allyl-N-ethylene glycol carbonate and of an allyl monomer is formed by overmolding on the substrate and polymerized.
    Type: Grant
    Filed: August 1, 1984
    Date of Patent: June 10, 1986
    Assignee: Essilor International
    Inventors: Bernard Dobigny, Jean-Pierre Mazzone
  • Patent number: 4222747
    Abstract: The invention relates to a polishing material of the type containing powdered cerium oxide suspended in water.According to the invention, this polishing material also contains, in combination, a substance for use as a thickener and a substance for reducing the surface tension.The polishing material is particularly useful for polishing ophthalmic lenses made from organic materials.
    Type: Grant
    Filed: December 27, 1978
    Date of Patent: September 16, 1980
    Assignee: Essilor International, Cie Generale d'Optique
    Inventors: Jean-Claude Dauguet, Jean-Pierre Mazzone, Pierre Moreau