Process for the manufacture of low odor dimethicone copolyol compounds
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United States of America Patent
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Aug 20, 2002
Grant Date -
N/A
app pub date -
Jul 23, 2001
filing date -
Jul 23, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a process for the manufacture of dimethicone copolyol compounds, which are free of odor and consequently suitable for use in personal care products. The process is one in which water is added to the dimethicone copolyol being treated, hydrolyzing susceptible groups off the compound and azeotropically distilling off the odor bodies.
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