Patent Number: 8,796,434

Title: Crystalline carbohydrate derivative

Abstract: .alpha.-Lactosamine hydrochloride, substantially free of .beta.-lactosamine hydrochloride; a method of preparing .alpha.-lactosamine hydrochloride monohydrate from an anomeric mixture of lactosamine hydrochloride, including: preparing a solution including the anomeric mixture of lactosamine hydrochloride, water and at least one water-miscible organic solvent at a temperature of 0-100.degree. C., and cooling the solution to cause crystallization of .alpha.-lactosamine hydrochloride monohydrate; a method of preparing anhydrous .alpha.-lactosamine hydrochloride; and use of .alpha.-lactosamine hydrochloride as a food supplement or intermediate in synthesis.

Inventors: Dekany; Gyula (Sinnamon Park, AU), goston; Karoly (Telki, HU), Bajza; Istvan (Debrecen, HU), Bojstrup; Marie (Tastrup, DK), Perez; Ignacio Fegueroa (Miami, FL), Kroger; Lars (Hamburg, DE), Rohrig; Christoph H. (Muhlingen, DE)

Assignee: Glycom A/S

International Classification: C07H 5/04 (20060101); C07H 5/06 (20060101); C08B 37/00 (20060101); C07H 1/00 (20060101); C07H 1/06 (20060101); C07H 1/08 (20060101)

Expiration Date: 8/05/12018