Patent · US Active

Crystalline carbohydrate derivative

US8796434B2 · kind B2 · utility

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5Claims

0Family size

Assignee

GLYCOM A/S · DK

Inventors

Gyula Dekany · Budapest, HU
Károly Ágoston · Zsámbék, HU
István Bajza · Debrecen, HU
Marie Bøjstrup · Copenhagen, DK
Ignacio Fegueroa Pérez · Miami, US
Lars Kröger · Hamburg, DE
Christoph Röhrig · Clingen, DE

Key dates

Filing date	Jul 15, 2009
Grant date	Aug 5, 2014
Priority date	—
Expiry date	Feb 9, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07H1/00
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

α-Lactosamine hydrochloride, substantially free of β-lactosamine hydrochloride; a method of preparing α-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° C., and cooling the solution to cause crystallization of α-lactosamine hydrochloride monohydrate; a method of preparing anhydrous α-lactosamine hydrochloride; and use of α-lactosamine hydrochloride as a food supplement or intermediate in synthesis.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.