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:
Aug. 28, 2007
Filed:
May. 05, 2003
Takahito Ichi, Toyonaka, JP;
Takatoshi Koda, Toyonaka, JP;
Chiyoki Yukawa, Toyonaka, JP;
Makoto Sakata, Toyonaka, JP;
Hiroyuki Sato, Toyonaka, JP;
Takahito Ichi, Toyonaka, JP;
Takatoshi Koda, Toyonaka, JP;
Chiyoki Yukawa, Toyonaka, JP;
Makoto Sakata, Toyonaka, JP;
Hiroyuki Sato, Toyonaka, JP;
San-Ei Gen F.F.I. Inc., Toyonaka-shi, JP;
Abstract
The invention provides a cochineal color, a colorant product containing the cochineal color and the method of its production, wherein the cochineal color is free of allergenic proteins and contaminants derived from the raw materialL. insect and can be added with safety to products taken by mouth, such as foods, pharmaceutical products, etc. The invention relates to a cochineal color substantially free of proteins of molecular weight not less than 6000. The invention also relates to a process for producing a cochineal color which comprises subjecting a cochineal extract solution to proteolysis and then to at least one treatment selected from the group consisting of adsorption treatment, ion exchange treatment, acid treatment, extraction treatment and membrane treatment.