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:
Mar. 20, 2007
Filed:
Feb. 01, 2002
Applicants:
Takahito Ichi, Toyonaka, JP;
Makoto Sakata, Toyonaka, JP;
Hiromitsu Aoki, Toyonaka, JP;
Takatoshi Koda, Toyonaka, JP;
Inventors:
Takahito Ichi, Toyonaka, JP;
Makoto Sakata, Toyonaka, JP;
Hiromitsu Aoki, Toyonaka, JP;
Takatoshi Koda, Toyonaka, JP;
Assignee:
San-Ei Gen F.F.I., Inc.,, Toyonaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B 61/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of preparing a purified purple corn coloring agent comprising passing a purple corn color extract solution through an adsorption resin, washing with water, and releasing the purple corn color from the resin with the use of an aqueous solution containing alcohol of 25 to 45 v/vt %.