MIXED HYDROGELS OF HYALURONIC ACID AND DEXTRAN
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United States of America Patent
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May 29, 2015
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May 29, 2015
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A process of preparing a cross-linked polysaccharide product including hyaluronic acid and dextran, the process including the steps of: (a) providing a hyaluronic acid and a dextran; (b) binding the dextran to the hyaluronic acid by ether bonds using a bi- or polyfunctional cross-linking agent, wherein the hyaluronic acid provided in step (a) is a cross-linked hyaluronic acid gel, and the dextran provided in step (a) is a non-cross-linked dextran; and wherein step (b) includes cross-linking the dextran to the hyaluronic acid by ether bonds using a bi- or polyfunctional cross-linking agent.
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