Patents by Inventor Bernard Dobigny

Bernard Dobigny 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).

  • Optical lenses having a scratch-resistant coating
    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