Patents by Inventor Florence GAYRARD

Florence GAYRARD 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).

  • THERMOSENSITIVE RECORDING MATERIALS CONTAINING CHELATING AGENTS
    Publication number: 20190001727
    Abstract: The present invention relates to thermal recording materials comprising (in order): a support (base) layer; one or more “undercoat” layers; a thermal layer (thermosensitive coloring layer); and one or more “protective” layers, wherein the thermal recording material contains an aminocarboxylic and/or phosphorus-based chelating agent. The thermal (thermosensitive) recording materials of the invention show enhanced plasticizer resistance and/or preprint uniformity.
    Type: Application
    Filed: September 6, 2018
    Publication date: January 3, 2019
    Applicant: RICOH COMPANY, LTD.
    Inventors: Laurence DAUDIN, Florence GAYRARD, Daiki IWATA
  • Thermosensitive recording materials containing chelating agents
    Patent number: 10118427
    Abstract: The present invention relates to thermal recording materials comprising (in order): a support (base) layer; one or more “undercoat” layers; a thermal layer (thermosensitive coloring layer); and one or more “protective” layers, wherein the thermal recording material contains an aminocarboxylic and/or phosphorus-based chelating agent. The thermal (thermosensitive) recording materials of the invention show enhanced plasticizer resistance and/or preprint uniformity.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: November 6, 2018
    Assignee: RICOH COMPANY, LTD.
    Inventors: Laurence Daudin, Florence Gayrard, Daiki Iwata
  • THERMOSENSITIVE RECORDING MATERIALS CONTAINING CHELATING AGENTS
    Publication number: 20170267008
    Abstract: The present invention relates to thermal recording materials comprising (in order): a support (base) layer; one or more “undercoat” layers; a thermal layer (thermosensitive coloring layer); and one or more “protective” layers, wherein the thermal recording material contains an aminocarboxylic and/or phosphorus-based chelating agent. The thermal (thermosensitive) recording materials of the invention show enhanced plasticizer resistance and/or preprint uniformity.
    Type: Application
    Filed: March 3, 2017
    Publication date: September 21, 2017
    Applicant: RICOH COMPANY, LTD.
    Inventors: Laurence DAUDIN, Florence GAYRARD, Daiki IWATA