Patent ID: 7438928
Filing Date: 2008-10-21
Classification: A61K

Abstract:
1. A gel matrix for topical use on a subject having an epithelial surface to be immersed in water, said epithelial surface comprising mucus, mucosa or skin surface, the gel matrix comprising: about 15% w/w polyethylene glycol-150/decyl alcohol/saturated dicyclohexyl-methane diisocyanate copolymer, which confers to said matrix the characteristics of being insoluble but dispersible in water, and capable of adhering to said epithelial surface, about 37.4% to 45% w/w ethoxydiglycol, 1-6% w/w polysorbate surfactant, a liquid carrier which is bio-compatible with said epithelial surface, the gel matrix having a viscosity, before application, of about 35-55 centipoises.