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:
Jan. 24, 2006
Filed:
Mar. 28, 2002
Takanori Sannan, Tokyo, JP;
Shinya Tsuchida, Tokyo, JP;
Satoru Yoshinaga, Tokyo, JP;
Kazushige Ieda, Tokyo, JP;
Mitsutaka Seki, Tokyo, JP;
Takanori Sannan, Tokyo, JP;
Shinya Tsuchida, Tokyo, JP;
Satoru Yoshinaga, Tokyo, JP;
Kazushige Ieda, Tokyo, JP;
Mitsutaka Seki, Tokyo, JP;
Dainichiseika Color & Chemicals Mfg. Co., Ltd., Tokyo, JP;
Abstract
A purified chitin has a total content of fatty acids and salts thereof not higher than 0.2 wt. % in terms of fatty acids. The purified chitin can be produced by washing a chitin with at least one solvent selected from the group consisting of organic solvent and water-containing organic solvents such that a total content of fatty acids and salts thereof is lowered at least to 0.2 wt. % in terms of fatty acids.