Naturally derived citrate polyesters having liquid and solid domains
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United States of America Patent
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May 22, 2012
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Sep 8, 2009
filing date -
Jul 20, 2009
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Abstract
The present invention is directed to a series of polymeric citrate esters that have two different molecular weight ester chains, one solid and one liquid, which when combined into a single molecule make a polymer that is solid, but has very unique flow properties. These materials find applications as additives to formulations in personal care products where there is a desire to have a structured film (provided by the solid fatty group) and flow properties, (provided by the liquid fatty group). These compounds by virtue of their unique structure provide outstanding skin feel and outstanding waterproof properties in cosmetic formulations most notable sunscreens.
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