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. 26, 1991
Filed:
Aug. 05, 1988
Applicant:
Inventors:
Michael J O'Brien, Port Monmouth, NJ (US);
Jean E Spence, Bogota, NJ (US);
Ronald H Skiff, Edison, NJ (US);
Gerald J Vogel, Carrollton, TX (US);
Ravi Prasad, Midlothian, VA (US);
Assignee:
Kraft General Foods, Inc., Glenview, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
A23F / ;
U.S. Cl.
CPC ...
544274 ; 210511 ;
Abstract
A process and apparatus for caffeine recovery from supercritical carbon dioxide is disclosed. The process involves countercurrent extraction of caffeine from supercritical carbon dioxide with water at pressures in excess of 1,000 p.s.i. in an unpacked extraction column. The apparatus includes an unpacked extraction vessel having a distributor therein for distributing water throughout substantially the entire cross-sectional area of the vessel.