The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 12, 1993
Filed:
Dec. 28, 1989
Applicant:
Inventors:
Akiyoshi Manabe, Fujisawa, JP;
Tetsuro Yamashita, Tokyo, JP;
Katsuhisa Harada, Tokyo, JP;
Tsuneo Tokumori, Kurashiki, JP;
Yoko Sumida, Okayama, JP;
Assignee:
Chlorine Engineers, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; A61K / ;
U.S. Cl.
CPC ...
203 49 ; 203 56 ; 203 63 ; 210634 ; 4241951 ;
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.