Hyaluronic Acid-Based Gels Including Lidocaine

  • US 20100028437A1
  • Filed: 02/26/2009
  • Published: 02/04/2010
  • Est. Priority Date: 08/04/2008
  • Status: Active Grant
First Claim
Patent Images

1. A soft tissue filler composition comprising:

  • a hyaluronic acid (HA) component crosslinked with a crosslinking agent selected from the group consisting of 1,4-butanediol diglycidyl ether (BDDE), 1,4-bis(2,3-epoxypropoxy)butane, 1,4-bisglycidyloxybutane, 1,2-bis(2,3-epoxypropoxy)ethylene and 1-(2,3-epoxypropyl)-2,3-epoxycyclohexane, and 1,4-butanediol diglycidyl ether; and

    at least one anesthetic agent combined with said crosslinked HA component.

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