Cosmetic composition comprising particles of polyisobutylene resin and process for the preparation of same
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United States of America Patent
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Dec 3, 1996
Issued Date -
N/A
app pub date -
Apr 27, 1995
filing date -
Apr 22, 1992
priority date (Note) -
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Abstract
Cosmetic compositions comprising an emulsion, preferably an aqueous emulsion, including at least one cosmetic resin material, e.g. a hydrocarbon resin such as polyisobutylene, are made by direct emulsification of the resin without a solvent or carrier therefor. The direct emulsification may be achieved by a special mixing regime, with particular emulsifiers. The absence of solvent or carrier for the resin material avoids product thinning and gives several manufacturing and processing advantages.
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