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Water-soluble hyaluronic acid gel and method for producing same

  • US 10,639,266 B2
  • Filed: 06/27/2014
  • Issued: 05/05/2020
  • Est. Priority Date: 07/03/2013
  • Status: Active Grant
First Claim
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1. A water-soluble hyaluronic acid gel comprising hyaluronic acid acting as a gelling agent, a polyhydric alcohol, an acid and 0 to 10% by mass of a water-soluble organic solvent,wherein the polyhydric alcohol comprises glycerin and a polyhydric alcohol other than glycerin at a ratio of 30:

  • 10 to 4;

    36 by mass,wherein a content of hyaluronic acid is 0.2% by mass or more, andwherein the water-soluble hyaluronic acid gel has high mechanical strength and a shape retention property, the high mechanical strength refers to strength to such an extent that a sheet made from the water-soluble hyaluronic acid gel which has a thickness of about 100 μ

    m cannot be broken even when the sheet is held between fingers and is then pulled up.

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