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US 5,688,334 AGranted
Method for removing wallpaper
AssigneeMinnesota Mining and Manufacturing Company
InventorKimberley A. Gaul
Life of this patent
Estimating the term…
Abstract
a method for removing wallpaper involving the employment of a composition comprising a surfactant, a polyhydric alcohol humectant, an organic solvent and water.
Claims13
A method of removing wallpaper comprising a layer of adhesive from a substrate, comprising the following steps:
- a. providing a water-based composition comprising a surfactant in an amount by weight of about 0, 1 to about 10 percent of the weight of said composition, a humectant which is a polyhydric alcohol and is present in an amount by weight of about 0.1 to about 10 percent of the weight of said composition, an organic solvent which is selected from the group consisting of an ester, an aromatic monohydric alcohol, an aliphatic hydrocarbon, a ketone, an aromatic hydrocarbon and a mixture of any two or more of the foregoing and is present in an amount by weight of up to about 10 percent of the weight of said composition, and water in an amount of at least about 82.78 percent by weight based on the total weight of said composition, wherein said mixture is substantially free of enzyme;
- b. applying said composition to said substrate and allowing it to remain in contact therewith for a sufficient time to soften or dissolve said adhesive;
- and
- c. removing said wallpaper from said substrate.
1 more element
Dependencies are inferred from the claim text.