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. 22, 2014
Filed:
Sep. 05, 2012
Chitoshi Shigeno, Sumida-ku, JP;
Yasushi Shioya, Sumida-ku, JP;
Tatsuya Kusaura, Sumida-ku, JP;
Yoshikazu Ogura, Sumida-ku, JP;
Yoshinobu Hayakawa, Sumida-ku, JP;
Chitoshi Shigeno, Sumida-ku, JP;
Yasushi Shioya, Sumida-ku, JP;
Tatsuya Kusaura, Sumida-ku, JP;
Yoshikazu Ogura, Sumida-ku, JP;
Yoshinobu Hayakawa, Sumida-ku, JP;
Kao Corporation, Tokyo, JP;
Abstract
The present invention provides refined roasted coffee beans having a Hunter L value of 10 to 30 and a hydroxyhydroquinone content of not higher than 30 mg/kg by contacting an aqueous solvent with raw material roasted coffee beans. The invention also provides a process for producing refined roasted coffee beans, which includes contacting raw material roasted coffee beans having a Hunter L value of 12 to 35, with coffee bean-derived extract-containing water selected from water containing an extract derived from roasted coffee beans having a Hunter L value of 40 or more and water containing an extract derived from raw coffee beans.