Patents by Inventor Aurore SAUVAGE

Aurore SAUVAGE 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).

  • Method for preparing thermochromic water-based gel ink compositions, and thermochromic water-based gel ink compositions thereof
    Patent number: 11920047
    Abstract: A method for preparing a thermochromic water-based gel ink composition, as well as a thermochromic water-based gel ink composition thereof comprising a specific monocarboxylic or polycarboxylic acid. A writing instrument, such as a ballpoint pen, a brush pen, a marker, a highlighter, and a felt pen, comprising a thermochromic water-based gel ink composition according to the disclosure.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: March 5, 2024
    Assignee: SOCIÉTÉ BIC
    Inventors: Alexander Bourque, Aurore Sauvage
  • Eraser tool containing polyetheramine
    Patent number: 11787226
    Abstract: There is an erasing tool having a polyetheramine for erasing a thermochromic ink composition capable of undergoing a color change that cannot be reversed by application of a temperature change. There also is a writing instrument having a thermochromic ink composition and an erasing tool. Finally, there is a method for irreversibly erasing a written line made with a thermochromic ink composition and erased with an erasing tool.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: October 17, 2023
    Assignee: SOCIETE BIC
    Inventors: Guillaume Caffier, Aurore Sauvage
  • PEELABLE INK COMPOSITION WITH COLOR-CHANGING FOR POROUS SUBSTRATES
    Publication number: 20230203332
    Abstract: An aqueous peelable ink composition with color-changing comprises: at least one film-forming elastomeric polymer, at least one polyoxyethylene sorbitan ester, at least one dye, at least one pigment, and water, wherein the film-forming elastomeric polymer (a) is acrylonitrile butadiene rubber (NBR) and/or hydrogenated acrylonitrile butadiene rubber (HNBR).
    Type: Application
    Filed: March 26, 2021
    Publication date: June 29, 2023
    Applicant: SOCIÉTÉ BIC
    Inventors: Carine BETHOUART, Aurore SAUVAGE
  • METHOD FOR PREPARING THERMOCHROMIC WATER-BASED GEL INK COMPOSITIONS, AND THERMOCHROMIC WATER-BASED GEL INK COMPOSITIONS THEREOF
    Publication number: 20230167325
    Abstract: The present disclosure relates to a method for preparing a thermochromic water-based gel ink composition, as well as a thermochromic water-based gel ink composition thereof comprising a specific monocarboxylic or polycarboxylic acid. The present disclosure also concerns a writing instrument, such as a ballpoint pen, a brush pen, a marker, a highlighter, and a felt pen, comprising a thermochromic water-based gel ink composition according to the disclosure.
    Type: Application
    Filed: April 28, 2021
    Publication date: June 1, 2023
    Applicant: SOCIÉTÉ BIC
    Inventors: Alexander BOURQUE, Aurore SAUVAGE
  • ERASABLE AQUEOUS INK
    Publication number: 20220162463
    Abstract: An erasable aqueous non-thermochromic writing ink having core-shell dye microparticles, wherein the core of the core-shell dye microparticles has an organic solvent immiscible with water and at least one dye soluble in the organic solvent and the shell includes a resin component. There is also a writing instrument containing the ink, a process of preparation of the ink and the use of the core-shell dye microparticles as the only coloring agent in the ink.
    Type: Application
    Filed: April 6, 2020
    Publication date: May 26, 2022
    Inventors: Alexander BOURQUE, Aurore SAUVAGE
  • ERASER TOOL CONTAINING POLYETHERAMINE
    Publication number: 20210362536
    Abstract: There is an erasing tool having a polyetheramine for erasing a thermochromic ink composition capable of undergoing a color change that cannot be reversed by application of a temperature change. There also is a writing instrument having a thermochromic ink composition and an erasing tool. Finally, there is a method for irreversibly erasing a written line made with a thermochromic ink composition and erased with an erasing tool.
    Type: Application
    Filed: July 30, 2019
    Publication date: November 25, 2021
    Inventors: Guillaume CAFFIER, Aurore SAUVAGE
  • IRREVERSIBLY ERASABLE INK COMPOSITION HAVING A DISCOLORATION AGENT
    Publication number: 20210230440
    Abstract: There is a thermochromic ink composition having core-shell microcapsules, an aqueous dispersion medium and a decolorization agent.
    Type: Application
    Filed: December 22, 2020
    Publication date: July 29, 2021
    Inventors: Aurore SAUVAGE, Guillaume CAFFIER