Patents by Inventor Jean-Jacques Theron

Jean-Jacques Theron 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).

  • Composite ophthalmic lenses
    Patent number: 5323191
    Abstract: This invention is directed to the production of glass-plastic lenses consisting of a thin glass element bonded to a relatively thick transparent lens or lens preform made of poly(diethylene glycol)bis(allyl carbonate) by a transparent thermoset, polyurethane adhesive layer of optical quality having an elongation at rupture of at least 200% and an elastic modulus in the range of 0.13-10 MPa and at 100% elongation.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: June 21, 1994
    Assignee: Corning Incorporated
    Inventors: Eric Firtion, David Henry, Jean-Jacques Theron, Andre J. Vachet, Jacques J. Vial