Patents by Inventor Shuho IWAMA

Shuho IWAMA 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).

  • Surfactant
    Patent number: 8815957
    Abstract: A surfactant for water/supercritical carbon dioxide microemulsions that can achieve high water dispersion ability, water/supercritical carbon dioxide microemulsion forming ability under a moderate condition, and high water solubilization rate and that reduces burden on the environment and ecosystem. Provided are a surfactant for stabilizing a water/supercritical carbon dioxide microemulsion including a compound of Formula (I) and a water/supercritical carbon dioxide microemulsion including the surfactant.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: August 26, 2014
    Assignees: Nissan Chemical Industries, Ltd., Hirosaki University
    Inventors: Masanobu Sagisaka, Shuho Iwama, Masahiro Hida, Yasufumi Shikauchi
  • SURFACTANT
    Publication number: 20120049111
    Abstract: A surfactant for water/supercritical carbon dioxide microemulsions that can achieve high water dispersion ability, water/supercritical carbon dioxide microemulsion forming ability under a moderate condition, and high water solubilization rate and that reduces burden on the environment and ecosystem. Provided are a surfactant for stabilizing a water/supercritical carbon dioxide microemulsion including a compound of Formula (1) and a water/supercritical carbon dioxide microemulsion including the surfactant.
    Type: Application
    Filed: March 2, 2011
    Publication date: March 1, 2012
    Applicants: HIROSAKI UNIVERSITY, NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Masanobu SAGISAKA, Shuho IWAMA, Masahiro HIDA, Yasufumi SHIKAUCHI