Patents by Inventor Yoshimine SAKAMOTO

Yoshimine SAKAMOTO 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).

  • INK-JET INK
    Publication number: 20230265301
    Abstract: The ink-jet ink of the present invention comprises a solvent S having an SP value of 9.1-9.4, resin emulsion particles and water. It is preferable that the resin emulsion particles contain a (meth)acrylic polymer. It is also preferable that the resin emulsion particles contain a structural unit derived from styrene. It is also preferable that the solvent S is tripropylene glycol monomethyl ether and/or monoethylene glycol monoisopropyl ether.
    Type: Application
    Filed: January 13, 2021
    Publication date: August 24, 2023
    Applicant: NIPPON SHOKUBAI CO., LTD.
    Inventors: Keiichi Nakamoto, Takumi Ito, Yoshimine Sakamoto
  • RESIN EMULSION FOR WATER-BASED INK
    Publication number: 20230094605
    Abstract: A resin emulsion to be used in a water-based ink, wherein the resin emulsion for a water-based ink is characterized by containing emulsion particles and a carboxylic acid polymer non-metal salt and by the emulsion particles containing a polymer comprising a monomer component including a nitrogen atom-containing monomer; and a resin emulsion for a water-based ink that can be used suitably in the water-based ink and a method for producing the same.
    Type: Application
    Filed: January 16, 2021
    Publication date: March 30, 2023
    Applicant: NIPPON SHOKUBAI CO., LTD.
    Inventors: Takumi ITO, Yoshimine SAKAMOTO
  • EMULSION PARTICLE-CONTAINING AQUEOUS DISPERSION
    Publication number: 20220275117
    Abstract: This aqueous dispersion contains monomer emulsion particles comprising a monomer component, wherein the monomer component contains (A) at least one monomer X selected from the group consisting of styrene-based monomers and alkyl (meth)acrylates including an alkyl group having 4 to 12 carbon atoms, (B) a nonionic emulsifier, (C) an aliphatic organic acid (alkyl ester) having 15 or more carbon atoms, and (D) a lipophilic active component, and the mean particle size of the monomer emulsion particles is 10 to 200 nm.
    Type: Application
    Filed: August 4, 2020
    Publication date: September 1, 2022
    Applicant: NIPPON SHOKUBAI CO., LTD.
    Inventors: Yohei IMAIZUMI, Yoshimine SAKAMOTO