Use of fluorinated solvents non-volatile at room temperature in cosmetic or pharmaceutical products
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United States of America Patent
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N/A
Issued Date -
Jul 1, 2004
app pub date -
Feb 27, 2004
filing date -
Dec 27, 2000
priority date (Note) -
Abandoned
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Abstract
The invention concerns the use of fluorinated solvents non-volatile at room temperature in cosmetic or pharmaceutical products. The invention concerns any cosmetic or dermatological product comprising at least a functional and/or active, and/or aromatic and/or dyeing compound, characterised in that said dissolving agent is a hydrofluoroether corresponding to formula: C.sub.nF.sub.mOC.sub.xH.sub.y, wherein: the groups C.sub.nH.sub.m-- and/or C.sub.xH.sub.y-- are linear, branched or cyclized and n ranges between 7 and 12, m ranges between 14 and 25, x ranges between 1 and 8, and y ranges between 3 and 17, said hydrofluoroether being a liquid at room temperature and having a boiling point higher than 100.degree. C.
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