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:
Jun. 09, 2009
Filed:
Sep. 10, 2004
Applicant:
Yasushi Yamada, Tokyo, JP;
Inventor:
Yasushi Yamada, Tokyo, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A23F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a preparation process of a tea extract containing non-polymer catechins extracted from tea leaves at a high extraction percentage, having a caffeine/non-polymer catechins ratio almost equal to the natural composition of the tea leaves and having good flavor and taste with less coarse taste, which includes charging the tea leaves in a column type extractor and continuously feeding the extractor with cold or hot water. The invention also relates to a packaged tea beverage containing the tea extract.