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. 03, 1979
Filed:
Oct. 17, 1977
Applicant:
Inventors:
David R Farr, Brent, CH;
Ian Horman, Corseaux, CH;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23F / ; A23F / ; A23F / ;
U.S. Cl.
CPC ...
426387 ; 426422 ; 426427 ; 544274 ; 426420 ; 426 77 ;
Abstract
An aqueous extract of a vegetable material is treated with a view to reducing its caffeine and/or chlorogenic acid content. The treatment is with a solid ligneous adsorbent of vegetable origin in divided form at a temperature of from 0.degree. to 100.degree. C. so as to absorb the caffeine and the chlorogenic acid. Preferably adsorption takes place at a temperature of at most 30.degree. C. and the overall process includes the following subsequent steps: