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:
Jul. 28, 1987
Filed:
May. 08, 1985
Applicant:
Inventor:
Wayne K Rice, Wanatah, IN (US);
Assignee:
Vitamins, Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210634 ; 208432 ; 210747 ; 2604128 ; 426425 ; 426428 ; 426430 ;
Abstract
The present invention relates generally to improvements in processes and apparatus for effecting solvent extractions using liquefied gas or gases in the supercritical state as the solvents and specifically to continuous processes for carrying out such extractions at high pressures. Further, the present invention relates to an apparatus which is a long vertical cylinder of relatively small diameter, wherein the solvent gas and the material to be extracted are continuously circulated through the long vertical reactor.