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:
Feb. 03, 1998
Filed:
Nov. 27, 1996
Applicant:
Inventors:
Kazuhiro Matsuo, Katano, JP;
Juichi Sasada, Kyoto, JP;
Assignee:
Matsushita Electronics Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210634 ; 210511 ;
Abstract
A method for extracting an organic substance from a material by extracting the organic substance with a mixed solvent which contains at least one polar solvent and at least one nonpolar solvent, by which a wide variety of organic substances can be extracted without using a halohydrocarbon at a relatively low temperature.