Patents by Inventor Anne Pepin

Anne Pepin 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).

  • Patent number: 8298649
    Abstract: The invention relates to an article having a nanotextured surface with superhydrophobic properties, comprising an array of vertical tabs, preferably regular, wherein the pillar array fulfils the following conditions: the surface fraction of the pillars Øs is such that 3%?Øs?13%, preferably 5%?Øs?12%, preferably 5%?Øs?13%, even better 5.5%?Øs?13%, even better 6%?Øs?13%, and better still 8%?Øs?13%; the pitch p of the array is such that 100 nm?p?250 nm; the height h of the pillars is such that 100 nm?h?400 nm, preferably 250?h?400 nm, even better 300?h?400 nm; and the lateral surface of the pillars is inclined at most by an angle of ±20°, preferably ±10° or even better ±5°, in relation to the vertical axis of the pillars.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: October 30, 2012
    Assignees: Essilor International (Compagnie Generale d'Optique), Centre National de la Recherche Scientifique
    Inventors: Mathilde Reyssat, Yong Chen, Anne Pepin, David Quere, Claudine Biver, Laurianne Vagharchakian
  • Publication number: 20100098909
    Abstract: The invention relates to an article having a nanotextured surface with superhydrophobic properties, comprising an array of vertical tabs, preferably regular, wherein the pillar array fulfils the following conditions: the surface fraction of the pillars Øs is such that 3%?Øs?13%, preferably 5%?Øs?12%, preferably 5%?Øs?13%, even better 5.5%?Øs?13%, even better 6%?Øs?13%, and better still 8%?Øs?13%; the pitch p of the array is such that 100 nm?p?250 nm; the height h of the pillars is such that 100 nm?h?400 nm, preferably 250?h?400 nm, even better 300?h?400 nm; and the lateral surface of the pillars is inclined at most by an angle of ±20°, preferably ±10° or even better ±5°, in relation to the vertical axis of the pillars.
    Type: Application
    Filed: February 29, 2008
    Publication date: April 22, 2010
    Inventors: Mathilde Reyssat, Yong Chen, Anne Pepin, David Quere, Claudine Biver, Laurianne Vagharchakian