Low ether compositions and delivery apparatus
AssigneeSchering-Plough Healthcare Products, Inc.
InventorsGerald R. Dever, Eric Chen-nan Su, William Scott Rogersr, Robert C. Johnson
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Abstract
A low ether gel composition for application to skin comprising a keratolytic agent, in particular salicylic acid, and comprising a nitrocellulose and one or more volatile ingredients, which forms a film on contact with skin adequate to form a protective barrier for the keratolytic agent for a period of time necessary to provide treatment to the skin; methods of treating using such compositions, and dispensers containing such compositions.
Claims34
A gel composition for topical application comprising salicylic acid or salt thereof in a concentration up to about 17% (w/w), a film forming agent, and one or more volatile ingredients, wherein the composition comprises ether in an amount of between about 3% (w/w) and about 14% (w/w).
A gel composition for topical application comprising salicylic acid in a concentration up to approximately 17% (w/w), a collodion product in an amount between about 5 to about 20% (w/w).
A gel composition for topical application comprising salicylic acid in a concentration up to approximately 17% (w/w) and nitrocellulose in an amount between 0.2 and about 1.0% (w/w).
A gel composition for application to skin comprising a keratolytic agent and comprising a collodion product in an amount between about 5% and 20% (w/w) and one or more volatile ingredients, wherein the composition comprises ether in an amount of between about 3% (w/w) and about 14% (w/w), which forms a film on contact with skin adequate to form a protective barrier for the keratolytic agent for a period of time necessary to provide treatment to the skin.
A gel composition for application to skin comprising a keratolytic agent and comprising a nitrocellulose in an amount between about 0.2% and 1.0% (w/w), and wherein the composition comprises ether in an amount of between about 3% (w/w) and about 14% (w/w), which forms a film on contact with skin adequate to form a protective barrier for the keratolytic agent for a period of time necessary to provide treatment to the skin.
Dependencies are inferred from the claim text.