PROCESS FOR THE PRODUCTION OF ALGINATE HAVING A HIGH MANNURONIC ACID-CONTENT

Title:

PROCESS FOR THE PRODUCTION OF ALGINATE HAVING A HIGH MANNURONIC ACID-CONTENT

Document Type and Number:

WIPO Patent Application WO2003046199

Kind Code:

A3

Abstract:

The present invention concerns a process for the production of alginate having a mannuronic acid-content of at least 80 mole%, wherein said alginate is produced by:a adding algae or seaweed to water under stirring, in a ratio of 1:3 to 1:20 respectively, at a pH above about 2.3, while maintaining a temperature above 20 °C for at least 30 minutes, andb separating said alginate from the solid material of the suspension in a by a standard separation method such as filtration, and optionallyc recovering said alginate from the solution.

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Inventors:

HJELLAND FINN (NO)

Application Number:

PCT/NO2002/000431

Publication Date:

August 14, 2003

Filing Date:

November 21, 2002

Export Citation:

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Assignee:

FMC BIOPOLYMER AS (NO)
HJELLAND FINN (NO)

International Classes:

A23L29/256; (IPC1-7): C08B37/04

Domestic Patent References:

WO1998051710A1	1998-11-19
WO2001056404A1	2001-08-09

Foreign References:

US3396158A	1968-08-06
GB862702A	1961-03-15
US2128551A	1938-08-30
DE19836960A1	2000-02-17

Other References:

DATABASE WPI Week 200272, Derwent World Patents Index; Class D13, AN 2002-668951, XP002968724

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