Patent ID: 6673835
Filing Date: 2004-01-06
Classification: A61K,A61P,Y10S

Abstract:
A method of delivering minor effective amounts of an active substance into the blood, comprising the steps of(a) providing a viscous gel delivery composition including (i) 75% to 99.999% by weight of at least one carrier, and (ii) a minor effective amount of the active substance comprising zinc, (b) applying said delivery composition in the nasal cavity, said nasal cavity including mucous, cilia and a nasal membrane, said delivery composition being applied such that a first portion of said composition directly contacts at least the nasal membrane, a second portion of said composition directly contacts at least mucous in the nasal cavity, and at least a third portion of said composition directly contacts at least cilia in the nasal cavity; and, (c) maintaining said first portion of said delivery composition in contact with the nasal membrane for at least ten minutes.