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. 27, 1981
Filed:
May. 19, 1977
Applicant:
Inventor:
Kurt Zosel, Oberhausen, DE;
Assignee:
Studiengesellschaft Kohle mbH, Kaiser-Wilhelm Platz, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23F / ;
U.S. Cl.
CPC ...
426481 ; 426427 ;
Abstract
In the decaffeination of coffee by contacting the coffee with water-moist carbon dioxide above its critical temperature and critical pressure, during the contacting, the coffee is maintained in admixture with an adsorbent for the caffeine for takeup of caffeine from the carbon dioxide by the adsorbent.