Patents Assigned to Saka City Government
  • Cationic surfactants, process for producing the same and utilization thereof
    Patent number: 6359176
    Abstract: The present invention provides cationic surfactants derived from the amino derivatives of hexose alcohol, a reduced alcohol of hexose or reduced sugar of glucose, which is produced by converting 1-amino-hexose alcohol into a quaternary salt and by esterifying with fatty acid. The cationic surfactants have superior biodegradability.
    Type: Grant
    Filed: July 6, 2000
    Date of Patent: March 19, 2002
    Assignees: Matsumoto Yushi-Seiyaku Co., Ltd., Saka City Government
    Inventors: Masaki Nakamura, Jia-he Qian, Hiromitsu Seike, Takeshi Munekiyo