Patents by Inventor Auorore Sauvage

Auorore 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).

  • COLOR CHANGING AQUEOUS INK
    Publication number: 20220259450
    Abstract: There is a non-thermochromic irreversible color changing aqueous writing ink including core-shell dye microparticles and a coloring agent, in which the core of the core-shell dye microparticles includes an organic solvent immiscible with water and at least one dye soluble in the organic solvent and the shell includes a resin component. There also is a writing instrument containing it and the process of preparation of this ink.
    Type: Application
    Filed: June 9, 2020
    Publication date: August 18, 2022
    Inventors: Auorore Sauvage, Alexander Bourque