C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 19/00 (2006.01) C07H 13/04 (2006.01) C07H 13/06 (2006.01) C07H 19/167 (2006.01) C08B 3/12 (2006.01) C08B 31/04 (2006.01) C08B 37/00 (2006.01) C08B 37/16 (2006.01) G02B 1/04 (2006.01)
Patent
CA 2129108
Polymerisable carbohydrate esters, polymers therefrom and their use Abstract Compounds of formulae I and Ia R-Y-CO-R3-CO-O-A (I), R-Y-CO-R3-CO-O-CH2-A1 (Ia), wherein R is a radically polymerisable hydrocarbon group, R3 is a direct bond, linear or branched C1-C22alkylene, C3-C8cycloalkylene or C6-C14- arylene, A is the radical, reduced by a hydroxy group in a 2- or 3-position, of a cyclic-oligomeric carbohydrate or of a derivative of such a carbohydrate, A1 is the radical, reduced by a hydroxymethyl group, of a monomeric or linear oligo- meric carbohydrate or of a derivative of such a carbohydrate, and Y is -O-, -NH- or -N(C1-C6alkyl)-. Homo- and co-polymers having those monomers have, depending upon their composition, hydrophilic, amphiphilic or hydrophobic properties and are able to form hydrogels. The polymers can be used, for example, as surfactants, thickeners, carriers for biologically active ingredients or in the manufacture of contact lenses.
Biocure Inc.
Fetherstonhaugh & Co.
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