Fragrance compositions
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United States of America Patent
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Issued Date -
Sep 3, 2009
app pub date -
Jun 7, 2006
filing date -
Jun 8, 2005
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Abstract
Fragrance compositions containing volatile organic acids may be used to eliminate amine malodors from an air-space. The acids are characterised by having (i) a pKa at 250C of from 3 to 5, preferably a pKa of from 3.5 to 4.5; (ii) a vapour pressure, at 250C, greater than 0.1 μm Hg, preferably greater than 1 μm Hg, even more preferably between 1 and 100 μm Hg. Preferred acids are cinnamic acid, phenylacetic acid, benzoic acid and 2-pentycyclopropanecarboxylic acid, and combinations thereof, present at levels of at least 0.2% by weight, more preferably 0.5% by weight in the fragrance.
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