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. 12, 1994
Filed:
Sep. 18, 1992
Applicant:
Inventors:
George P Rizzi, Cincinnati, OH (US);
Roger W Gutwein, Cincinnati, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A23F / ;
U.S. Cl.
CPC ...
426388 ; 426594 ; 426595 ; 426430 ;
Abstract
Lipids are removed from spent coffee grounds using certain lipophilic solvents or series of solvents. The resulting defatted spent coffee grounds contain less than about 2% lipids. The defatted spent coffee grounds act as an adsorbent for bitter coffee flavors and burnt coffee aromas. This adsorbent can be added to roast ground coffee, preferably low quality or dark roasted coffee, to reduce burnt aromas and bitter flavors associated with the corresponding brewed coffee or coffee extract.