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.

Date of Patent:
Sep. 11, 1990

Filed:

Sep. 13, 1989
Applicant:
Inventors:

Mitsuho Hirata, Tokyo, JP;

Takeshi Ishikawa, Yokohama, JP;

Hiroshi Shiraishi, Tokyo, JP;

Assignee:

Suntory Limited, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; C07C / ;
U.S. Cl.
CPC ...
203 19 ; 203 14 ; 203 49 ; 203 50 ; 203 51 ; 203 56 ; 203 57 ; 203 63 ; 203 64 ; 203 70 ; 422256 ; 568916 ; 568918 ;
Abstract

A process for separation of components of a mixture of more than one organic substance or of a mixture of at least one organic substance and water by extraction using a supercritical fluid as an extractant. During the extraction an extraction aid having a higher affinity with an unextractable component of the mixture than with an extractable component of the mixture is present. Also disclosed is an apparatus for carrying out this process.


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