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Siltech Patents Process for Low

November 14, 2005

Patent No. US 6,437,162 B1: Siltech LLC, Dacula, GA, patented a process to manufacture odor-free dimethicone copolyol for use in personal care products by adding water to the dimethicone copolyol, hydrolyzing susceptible groups off the compounds and distilling off the odor bodies.
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