Patent ID: 6503982
Filing Date: 2003-01-07
Classification: A61K,A61Q,C08G

Abstract:
A process for gelling aqueous media comprising the steps of adding into said media an effective quantity of at least one water-soluble or water-dispersible copolyester oligomer comprising dicarboxylate units of formula (I)[â€”COâ€”Aâ€”COâ€”Oâ€”Xâ€”O]â€ƒâ€ƒ(I) wherein:A represents an aromatic or aliphatic divalent hydrocarbon group, X represents a divalent alkylene, cycloalkylene or polyoxyalkylene group, at least 35 mol % of said units of formula (I) being similar units whose corresponding homopolymer is crystalline, and at least 7 mol % of said units of formula (I) being units in which the group A is a carrier of hydrophilic functional group(s), and said copolyester oligomer having a weight-average molecular mass less than 20,000.