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United States of America Patent
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Aug 19, 2003
Grant Date -
Nov 22, 2001
app pub date -
Apr 22, 1998
filing date -
Apr 24, 1997
priority date (Note) -
Expired
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Abstract
A preservative system comprising iodopropynyl butyl carbamate and phenoxyethanol at a weight ratio of iodopropynyl butyl carbamate to phenoxyethanol within the range of about 1:90 to about 1:400 shows a broad anti-microbial effect and can permit use of the preservative system at a low level in end use products such as personal care products.
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