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US 5,702,694 AGranted
Compositions for treating corns, calluses and warts
AssigneeSchering-Plough Healthcare Products, Inc.
InventorThomas W. Chamness
Life of this patent
Estimating the term…
Abstract
Topical compositions for the treatment of corns, calluses and warts comprising a benzenediol or a substituted 1,2-benzenediol and a pharmaceutically acceptable carrier, are described.
Claims12
A topical composition comprising a about 2 to about 64% of a compound selected from the group consisting of hydroquinone;
- olivetol, pyrocatechol and nordihydroguaiaretic acid and a pharmaceutically acceptable carrier material wherein said carrier material is flexible collodion.
A topical composition comprising on a weight/weight basis:
- ______________________________________ Percentage of Formula % (weight/weight) Component ______________________________________ 3-24 Pyrocatechol or Nordihydroguaiaretic acid 2-5 Balsam Fir (Oregon) 0.01-0.05 .beta.-Carotene, 22% in Vegetable Oil 5-15 Acetone 66-90 Flexible Collodion, USP ______________________________________
A topical composition comprising on a weight/weight basis:
- ______________________________________ Percentage of Formula % (weight/weight) Component ______________________________________ 6-20 Nordihydroguaiaretic acid 30-60 Ethyl Alcohol (190 proof, USP) 15-50 Arlasolve 200 Liquid.sup.1 0.03-0.7 Klucel HXF-NF.sup.2 ______________________________________
Dependencies are inferred from the claim text.