Patents Assigned to Chlorine Engineers
  • Process for the supercritical extraction and separation of solid samples
    Patent number: 5178735
    Abstract: A method of extracting and separating substances contained in a solid sample, especially from ginkgo leaves, which comprises introducing a supercritical fluid into a dispersion in which the solid sample is dispersed, separating the supercritical fluid containing dissolved substances to be extracted.
    Type: Grant
    Filed: December 28, 1989
    Date of Patent: January 12, 1993
    Assignee: Chlorine Engineers
    Inventors: Akiyoshi Manabe, Tetsuro Yamashita, Katsuhisa Harada, Tsuneo Tokumori, Yoko Sumida