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Bioadhesive pharmaceutical carrier

  • US 5,314,915 A
  • Filed: 12/16/1992
  • Issued: 05/24/1994
  • Est. Priority Date: 09/25/1991
  • Status: Expired due to Term
First Claim
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1. A bioadhesive pharmaceutical gel, consisting essentially of:

  • a therapeutically effective amount of at least one anesthetic other than benzocaine;

    about 0.25 to about 25 percent by weight sodium carboxymethyl cellulose;

    about 0.25 to about 25 percent by weight of xanthan gum or sodium alginate; and

    diluent selected from the group consisting of glycerin, propylene glycol, dioxolanes, glycerol, glycofurol, dimethylacetamide, ethyl lactate, alcohols, glycols, sorbitols, USP oils, NF oils, lecithin, lanolin, ethyl oleate, isopropyl myristate, benzyl benzoate, petrolatum, cocoa butter and mixtures thereof.

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