Patents by Inventor Alexis Grosrenaud

Alexis Grosrenaud 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).

  • Plastic film having a high voltage breakdown
    Patent number: 10008328
    Abstract: A stretched film includes a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: June 26, 2018
    Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: Alexis Grosrenaud, Lucien Schosseler
  • Plastic film having a high voltage breakdown
    Patent number: 9269493
    Abstract: A stretched film includes a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: February 23, 2016
    Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: Alexis Grosrenaud, Lucien Schosseler
  • PLASTIC FILM HAVING A HIGH VOLTAGE BREAKDOWN
    Publication number: 20150221439
    Abstract: A stretched film includes a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor.
    Type: Application
    Filed: April 16, 2015
    Publication date: August 6, 2015
    Inventors: Alexis Grosrenaud, Lucien Schosseler
  • PLASTIC FILM HAVING A HIGH VOLTAGE BREAKDOWN
    Publication number: 20140322513
    Abstract: A stretched film includes a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor.
    Type: Application
    Filed: July 7, 2014
    Publication date: October 30, 2014
    Inventors: Alexis Grosrenaud, Lucien Schosseler
  • Plastic film having a high voltage breakdown
    Patent number: 8804308
    Abstract: A stretched film comprising a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: August 12, 2014
    Assignee: Dupont Teijin Films U.S. Limited Partnership
    Inventors: Alexis Grosrenaud, Luclen Schosseler
  • Bi-axially stretched breathable film, process for making the same and use thereof
    Patent number: 8592028
    Abstract: The invention relates to A bi-axially stretched breathable film comprising a polymeric mixture, said polymeric mixture comprising based on the total weight of the polymeric mixture/—at least 50% of at least one polyether block copolymer; and —from 0.5 to less than 50% of at least one polyester. The invention also relates to a method to manufacture said film, and uses of said film. The invention also relates to a method for producing a bi-axially stretched breathable film comprising at least one polyether block copolymer.
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: November 26, 2013
    Assignee: DuPont Teijin Films U.S. Limited Partnership
    Inventors: Lucien Schosseler, Alexis Grosrenaud, Duncan Henry MacKerron, Valery Rebizant
  • Plastic Film Having a High Voltage Breakdown
    Publication number: 20110216474
    Abstract: A stretched film comprising a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor.
    Type: Application
    Filed: April 10, 2009
    Publication date: September 8, 2011
    Applicant: DuPont Teijin Films U.S. Limited Partnership
    Inventors: Alexis Grosrenaud, Luclen Schosseler
  • Bi-axially stretched breathable film, process for making the same and use thereof
    Publication number: 20090117362
    Abstract: The invention relates to A bi-axially stretched breathable film comprising a polymeric mixture, said polymeric mixture comprising based on the total weight of the polymeric mixture/—at least 50% of at least one polyether block copolymer; and—from 0.5 to less than 50% of at least one polyester. The invention also relates to a method to manufacture said film, and uses of said film. The invention also relates to a method for producing a bi-axially stretched breathable film comprising at least one polyether block copolymer.
    Type: Application
    Filed: August 25, 2006
    Publication date: May 7, 2009
    Inventors: Lucien Schosseler, Alexis Grosrenaud, Duncan Henry MacKerron, Valery Rebizant