C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 11/20 (2006.01) C08B 3/00 (2006.01) C08B 3/02 (2006.01) C08B 37/00 (2006.01) C12P 7/62 (2006.01)
Patent
CA 2406686
Product of esterified polysaccharides and the process of making such product. The process can be enzymatic where an enzyme is used as a catalyst for the reaction. The process can also be chemical where no enzyme is used. Novel products are obtained through lipase-catalyzed .GAMMA.-lactone ring opening alcoholysis of ketene dimers and the process of making such compositions containing products.
L'invention concerne un produit obtenu par estérification de polysaccharides et un procédé de production dudit produit. Ledit procédé peut être enzymatique lorsqu'on utilise une enzyme comme catalyseur de réaction. Il peut également être chimique lorsqu'on n'utilise pas d'enzyme. On obtient de nouvelles compositions par alcoolise de dimères céténiques par ouverture du cycle de la .beta.-lactone catalysée par une lipase. L'invention concerne également le procédé de production des produits contenant ces compositions.
Cheng H. N.
Gu Qu Ming
Hercules Incorporated
Moffat & Co.
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