Patents by Inventor Elena Zaballos Garcia

Elena Zaballos Garcia 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).

  • Photochromic compounds and methods for their use
    Patent number: 5936016
    Abstract: The present invention relates to photochromic compounds of spiro?indoline?2,3'!-naphthoxazine! structure, characterized in that they contain, in the 6' position, a group R.sub.6 chosen from the following groups: cyano and phenylsulfonyl linked via the sulfur atom to carbon 6', and methods of using such compounds.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: August 10, 1999
    Assignee: Essilor International Compagnie Generale D'Optique
    Inventors: Pierre Lareginie, Vladimir Lokshin, Andre Samat, Robert Guglielmetti, Elena Zaballos Garcia