Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Reexamination Certificate
2006-01-24
2006-01-24
Wilson, James O. (Department: 1623)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
C536S055100, C536S055200, C536S123100, C536S124000, C536S127000
Reexamination Certificate
active
06989440
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.
REFERENCES:
patent: 2168375 (1939-06-01), Thor
patent: 3683076 (1972-08-01), Rovati et al.
patent: 3862122 (1975-01-01), Peniston et al.
patent: 3879377 (1975-04-01), Austin
patent: 4267313 (1981-05-01), Sannan et al.
patent: 5093489 (1992-03-01), Diamantoglou
patent: 5470964 (1995-11-01), Qin
patent: 5599916 (1997-02-01), Dutkiewicz et al.
patent: 5622834 (1997-04-01), Vournakis et al.
patent: 5696246 (1997-12-01), Schmidt et al.
patent: 5874551 (1999-02-01), Glasser et al.
patent: 6255085 (2001-07-01), Chen et al.
Stedman's Medical Dictionary, 25thedition, 1989, pp 884.
Fereidoon Shahidi, Jozef Synowiecki J. Agri. Food Chem. 1991, vol. 39, pp. 1527-1532.
Charles J. Brine, Paul R. Austin Comp. Biochem. Physiol. 1981, vol. 69B, pp. 283-286.
Emil Fischer et al “Synthese des d-Glucosamins”, Berichte, 1903, 36, pp 24-29.
C. Juneau, et al., Allured's Cosmetics Toiletries Magazine, vol. 116, No. 8, pp. 73-80, “Chitosan in Cosmetics: Technical Aspects When Formulating”, Aug. 2001 (p. 79 will be filed later).
Riccardo A.A. Muzzarelli, Chitin Handbook, (1997), pp. 47-60.
George A.F. Roberts, Chitin Chemistry, (1992). pp. 1-60.
E.G. Bligh, et al., A Rapid Method of Total LIPID Extraction and Purification, Canadian Journal of Biochemistry and Physiology, vol. 37, No. 8, Aug. 1959.
Ieda Kazushige
Sannan Takanori
Seki Mitsutaka
Tsuchida Shinya
Yoshinaga Satoru
Dainichiseika Color & Chemicals Mfg. Co. Ltd.
Krishnan Ganapathy
LandOfFree
Purified chitins and production process thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Purified chitins and production process thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Purified chitins and production process thereof will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3562357