Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 28, 2006
Patent Application Number
10503094
Date Filed
December 31, 2002
Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention relates to a method for preparing alkali and heat stable polyols, whereby sugar alcohols are treated with reagents to obtain stabilized sugar alcohol syrups and the stabilized alcohol syrup is subjected to a purification step by passing the stabilized sugar alcohol syrup over at least one ion-exchanger resin, and the stabilized sugar alcohol syrup being purified by a double passage over a cationic anionic ion-exchanger configuration (CACA), comprising at least a first weak acidic cationic ion-exchanger resin and a second strong, medium or weak basic anionic ion-exchanger resin.
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