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Post Info TOPIC: Atomized elemental roof moss killer


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Atomized elemental roof moss killer
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James W. Nielsen
Abstract
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Abstract | Description | Claims

Abstract
A method is disclosed for killing moss growing on a moss-covered surface by sprinkling in dry or wet form a moss-killing powder containing an atomized elemental metal which slowly dissolves with water to form a biocidal solution which kills moss. In the preferred embodiment, a moss-killing powder dry or wet consists essentially of finely powdered atomized elemental zinc and copper mixed with a powdered, dispersible carrier material, such as silia clay, to which the metal particles adhere. The moss-killing powder is sprinkled on a wetted moss-covered surface dry or mixed in a slurry of water and sprinkled wet which causes the powder to initially adhere to the surface. Upon contact with rainwater, or tap water or dew the carrier soaks up water and slowly disintegrate, retaining the metal particles in close proximity so that they electrolytically react with the rainwater or tap water or dew to produce a biocidal solution which kills moss. Gradually the carrier disperses or dissolves...

Patent number: 4936898
Filing date: Apr 9, 1986
Issue date: Jun 26, 1990
Inventor: James W. Nielsen



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