Synthetic organic particles, process for the production of the same, and use thereof
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United States of America Patent
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May 14, 2002
Grant Date -
N/A
app pub date -
Feb 10, 2000
filing date -
Dec 19, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Synthetic organic particles each constituted of a core made from an organic polymer and a surface layer formed from a methacrylate resin on the surface of the core. In one of the particles, the core is made from a copolymer comprising 80 to 99 weight percent of a lower alkyl acrylate and 1 to 20 weight percent of a polyfunctional vinyl monomer to exhibit rubberlike elasticity, while in another of the particles, the core is made from a copolymer of a reactive benzotriazol compound and a (meth)acrylic monomer to exhibit an ultraviolet absorbing activity. These synthetic organic particles can be suitably added to cosmetics to impart a feeling of creamy softness and an ultraviolet screening power to them.
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