Patents by Inventor Cécile Lecrivain

Cécile Lecrivain 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 compositions, preparation thereof and articles made therefrom or coated therewith
    Patent number: 7261842
    Abstract: The present invention relates to novel cross-linkable or crosslinked photochromic compositions, articles made from or coated with the compositions and method of making the compositions. The compositions contain (i) at least one segmented or non-segmented polyurethane-type or polyurethane-urea-type linear polymer having at least one non-terminal moiety that comprises at least one unsaturated group; and (ii) an effective amount of at least one photochromic organic compound, advantageously selected from spiroxazines, chromenes, spiropyrans fulgides and fulgimides.
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: August 28, 2007
    Assignee: Corning Incorporated
    Inventors: David Henry, Cecile Lecrivain
  • Radicaly polymerisable compositions containing monofunctional monomers, resins and ophthalmic articles obtained from them, new monofunctional monomers
    Patent number: 6770707
    Abstract: Disclosed are radically polymerisable compositions which contain at least one monofunctional monomer and at least one difunctional monomer; resins which are obtainable by radical copolymerisation of said compositions, it being possible for the resins to be photochromic or not; articles, notably ophthalmic articles, which are constituted totally or in part of such resins; and new monofunctional monomers.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: August 3, 2004
    Assignee: Corning Incorporated
    Inventors: David Henry, Cécile Lecrivain
  • Photochromic compositions, preparation thereof and articles made therefrom or coated therewith
    Publication number: 20030193044
    Abstract: The present invention relates to novel cross-linkable or crosslinked photochromic compositions, articles made from or coated with the compositions and method of making the compositions. The compositions contain (i) at least one segmented or non-segmented polyurethane-type or polyurethane-urea-type linear polymer having at least one non-terminal moiety that comprises at least one unsaturated group; and (ii) an effective amount of at least one photochromic organic compound, advantageously selected from spiroxazines, chromenes, spiropyrans fulgides and fulgimides.
    Type: Application
    Filed: March 21, 2003
    Publication date: October 16, 2003
    Inventors: David Henry, Cecile Lecrivain
  • Photochromic resins and articles; preparation; precursor compositions.
    Publication number: 20020045689
    Abstract: Disclosed are photochromic resins having improved photochromic properties; articles, notably ophthalmic articles, which are constituted, wholly or in part only, of such resins; radically polymerizable compositions which are precursors of said resins; and methods of preparing said resins. Said resins are obtained by radical copolymerization of particular comonomers. They contain an effective amount of at least one acidic additive or of at least one basic additive, and they have improved kinetics of return to the light state.
    Type: Application
    Filed: July 17, 2001
    Publication date: April 18, 2002
    Inventors: David Henry, Cecile Lecrivain
  • Radically polymerisable compositions containing monofunctional monomers, resins and ophthalmic articles obtained from them, new monofunctional monomers
    Publication number: 20020032304
    Abstract: Disclosed are radically polymerisable compositions which contain at least one monofunctional monomer and at least one difunctional monomer; resins which are obtainable by radical copolymerisation of said compositions, it being possible for the resins to be photochromic or not; articles, notably ophthalmic articles, which are constituted totally or in part of such resins; and new monofunctional monomers.
    Type: Application
    Filed: May 31, 2001
    Publication date: March 14, 2002
    Inventors: David Henry, Cecile Lecrivain