Patents by Inventor Yean Leanirith

Yean Leanirith 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).

  • Polymerizable compositions for making transparent polymer substrates, resulting polymer substrates, and uses thereof in optics
    Patent number: 7049381
    Abstract: Polymerizable compositions for making transparent polymeric substrates, resulting transparent polymeric substrates and the applications thereof in optics. The composition comprises: from 35 to 70 parts by weight of one or more monomers (I) of formula: ?wherein R1 and R2 represent H or CH3, A is a divalent moiety of formula: ?m1 and m2 each are an integer in the range of 4 to 20, from 5 to 50 parts by weight of a monomer (II) comprising at least a urethane unit and at least two (meth)acrylate functions, and from 5 to 40 parts by weight of a monomer (III) with a high Abbe number and comprising one or more methacrylate functions, the total of the monomers (I), (II) and (III) representing 100 parts by weight.
    Type: Grant
    Filed: April 2, 2001
    Date of Patent: May 23, 2006
    Assignee: Essilor International Compagnie Generale d'Optique
    Inventors: Richard Gilles, Primel Odile, Yean Leanirith
  • Polymerizable compositions for producing transparent polymeric substrates, resulting transparent polymeric substrates and applications thereof in optics
    Publication number: 20020061993
    Abstract: Polymerizable compositions for making transparent polymeric substrates, resulting transparent polymeric substrates and the applications thereof in optics
    Type: Application
    Filed: April 2, 2001
    Publication date: May 23, 2002
    Applicant: ESSILOR INTERNATIONAL COMPAGNIE GENERALE d'OPTIQUE
    Inventors: Richard Gilles, Primel Odile, Yean Leanirith