Hydrophilic gels containing high amounts of fragrance
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United States of America Patent
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May 6, 1986
Issued Date -
N/A
app pub date -
Jun 1, 1982
filing date -
Mar 7, 1979
priority date (Note) -
Expired
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Abstract
A copolymer of at least one hydroxy (lower alkyl) 2-alkenoate, e.g., hydroxyethyl methacrylate, with 35 to 80%, preferably 50 to 80%, of at least one diester of an alkenedioic acid in hydrogel form is employed to entrap flavors and fragrances in an amount of 5 to 80% or even up to 90%, preferably 30 to 80% of the total formulation. A solvent can also be present in an amount up to 80%, preferably 10-80% of the total weight of the formulation.
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