Encapsulated biocidal preparation
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United States of America Patent
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Feb 2, 1999
Grant Date -
N/A
app pub date -
Apr 10, 1996
filing date -
Apr 10, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A composition, comprising an agent, a carrier admixed with the agent to form a mixture, and a film-forming polymer coating around the mixture which is insoluble in a selected solvent. A biocidal composition, comprising a biocide, such as an aldehyde, a carrier admixed with the aldehyde to form a mixture, and a film-forming polymer coating around the mixture which is insoluble in a selected solvent. The composition of the invention further comprising an acidifying agent admixed with the aldehyde. The composition of the invention and an activator. An article of manufacture, comprising the composition of the invention contained inside a fluid-permeable mesh bag. A method of making a biocidal composition, comprising admixing a carrier with an aldehyde to form a mixture, and coating the mixture with a film-forming polymer coating which is insoluble in a selected solvent. A method of making a biocidal article of manufacture, comprising enclosing within a fluid-permeable mesh bag the biocidal composition of the invention and an activator. A method of making a biocidal composition, comprising contacting the biocidal composition of the invention with the selected solvent and adding an activator to the composition in the solvent.
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