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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0211018 (1998-12-14) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 166 인용 특허 : 318 |
Microparticles formed by mixing a macromolecule with a polymer at a pH near the isoelectric point of the macromolecule and incubating the mixture in the presence of an energy source for a predetermined length of time. The microparticles are composed of homogeneously distributed, intertwined macromol
Microparticles formed by mixing a macromolecule with a polymer at a pH near the isoelectric point of the macromolecule and incubating the mixture in the presence of an energy source for a predetermined length of time. The microparticles are composed of homogeneously distributed, intertwined macromolecule and polymer. Each microparticle allows aqueous fluids to enter and allows solubilized macromolecule and polymer to exit the microparticle and may be formulated to provide a sustained release of macromolecule and polymer from the interior of the microparticle when placed in an appropriate aqueous medium, such as under physiological conditions. Methods of production and methods of use for research, diagnostics and therapeutics are provided.
[ We claim:] [1.] A microparticle comprising a macromolecule and polymer in an aqueous solution, wherein the concentration of macromolecule in the microparticle is at least 40% and less than 100% by weight and wherein the microparticle does not contain any oil.
[ We claim:] [1.] A microparticle comprising a macromolecule and polymer in an aqueous solution, wherein the concentration of macromolecule in the microparticle is at least 40% and less than 100% by weight and wherein the microparticle does not contain any oil.
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