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Polysaccharide crosslinking, hydrogel preparation, resulting polysaccharide(s) and hydrogel(s), uses thereof

  • US 6,921,819 B2
  • Filed: 07/16/2001
  • Issued: 07/26/2005
  • Est. Priority Date: 07/19/2000
  • Status: Expired due to Term
First Claim
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1. A process for the crosslinking of at least one polymer selected from hyaluronic acid, its salts and their mixtures, under the action of at least one polyfunctional crosslinking agent, characterized in that said polyfunctional crosslinking agent is reacted with said polymer, in the solid state, during hydration.

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