Controlled release particles

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United States of America Patent

PATENT NO 9511030
APP PUB NO 20130337073A1
SERIAL NO

14003271

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Abstract

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A controlled release particle includes a core formed by suspension polymerization of a core ingredient component containing an antibiotic compound and a first polymerizable vinyl monomer, and containing a first polymer of the first polymerizable vinyl monomer and the antibiotic compound present in the first polymer; and a shell formed by suspension polymerization of a second polymerizable vinyl monomer having affinity with water of the same or higher than that of the first polymerizable vinyl monomer, containing a second polymer obtained from the second polymerizable vinyl monomer, and covering the core.

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Patent Owner(s)

Patent OwnerAddress
OSAKA GAS CHEMICALS CO LTD6-14 BINGOMACHI 3-CHOME CHUO-KU OSAKA-SHI OSAKA 5410051

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Oshima, Junji Osaka, JP 25 210
Sugiyama, Takayuki Osaka, JP 57 288

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