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:
Apr. 07, 1981
Filed:
May. 25, 1973
Applicant:
Inventor:
Kurt Zosel, Oberhausen, DE;
Assignee:
Studiengesellschaft Kohle MBH, Mulheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23P / ;
U.S. Cl.
CPC ...
426478 ; 426427 ;
Abstract
A process for the decaffeination of coffee which comprises contacting the coffee with moist carbon dioxide in the supercritical state to effect removal of caffeine therefrom and recovering a substantially decaffeinated coffee. Preferred conditions for contact of the moist carbon dioxide are a temperature within the range of 40.degree.-80.degree. C., a pressure within the range of 120-180 atmospheres and a contact time of from 5 to 30 hours.