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. 07, 1992
Filed:
Dec. 20, 1989
Applicant:
Inventors:
Rudolf Zobel, Tacherting, DE;
Erwin Schutz, Trostberg, DE;
Heinz-Rudiger Vollbrecht, Altenmarkt, DE;
Robert Faust, Garching, DE;
Assignee:
SKW Trostberg Aktiengesellschaft, Trostberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23L / ; C12F / ;
U.S. Cl.
CPC ...
426590 ; 426475 ; 426487 ; 203 97 ; 203 98 ; 203 99 ; 203D / ; 55 68 ; 55 84 ; 55 89 ;
Abstract
The present invention provides a process for the removal of ethanol from drinks produced by fermentation by direct extraction of the ethanol in countercurrent with compressed carbon dioxide as extraction agent and separation of the extracted water-ethanol mixture from the extraction agent by lowering the density of the compressed gas, wherein, after the lowering of the density, the carbon dioxide is regenerated by a treatment with water and then returned to the extraction step.