Air permeable scenting latex formulation for spray application on an air filter
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United States of America Patent
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Apr 15, 2014
Grant Date -
N/A
app pub date -
May 29, 2013
filing date -
May 29, 2013
priority date (Note) -
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Abstract
An aqueous scenting formulation formulated for spray application on an air scenting device for use in an HVAC system to form an air permeable barrier film which slows the rate of water evaporation and provides long lasting freshening or scenting of air flowing through the device with minimal blockage of air flow through the HVAC system having a latex in the amount of from 10 percent to 50 percent by weight of the aqueous scenting formulation, wherein the latex consists of a vinyl/polyvinyl acetate, and wherein the mean particle size of the vinyl/polyvinyl acetate in the latex is from 75 microns to 90 microns in diameter; a surfactant selected from the group consisting of: non-ionic and anionic surfactants and mixtures thereof; and a fragrance material.
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