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公开(公告)号：US20180085314A1
公开(公告)日：2018-03-29
申请号：US15704106
申请日：2017-09-14
申请人： Tadahiko MORINAGA , Tatsuru MORITANI , Tatsuki YAMAGUCHI , Masaru OHGAKI , Shinji AOKI , Yuichi SATO
发明人： Tadahiko MORINAGA , Tatsuru MORITANI , Tatsuki YAMAGUCHI , Masaru OHGAKI , Shinji AOKI , Yuichi SATO
CPC分类号： A61K9/1647 , A61K9/5153 , A61K9/5192 , B01J2/04 , B01J2/18 , B29B9/10 , B29B9/12 , B29B2009/125 , C08G63/06
摘要： A particulate poly(lactic-co-glycolic) acid (PLGA) is provided. The particulate PLGA comprises a poly(lactic-co-glycolic) acid (PLGA), and has an average volume-based particle diameter of 80 nm or less and a relative span factor (R.S.F.) satisfying the following formula (1): 0
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公开(公告)号：US20190302633A1
公开(公告)日：2019-10-03
申请号：US16361776
申请日：2019-03-22
申请人： Tadahiko MORINAGA , Tatsuru MORITANI , Naoki SHIRAISHI , Shinji AOKI , Hisayoshi OHSHIMA , Yuichi SATO
发明人： Tadahiko MORINAGA , Tatsuru MORITANI , Naoki SHIRAISHI , Shinji AOKI , Hisayoshi OHSHIMA , Yuichi SATO
摘要： A discharge device is provided. The discharge device includes a liquid feed-discharger, and the liquid feed-discharger includes a feed unit configured to feed a liquid and a discharge unit having discharge holes configured to discharge the liquid fed by the feed unit. A ratio (X/Y) of a maximum cross-sectional area X (mm2) to a minimum cross-sectional area Y (mm2) of the liquid feed-discharger in a direction orthogonal to an axial direction of the liquid feed-discharger is from 1 to 5.
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公开(公告)号：US20190292333A1
公开(公告)日：2019-09-26
申请号：US16363375
申请日：2019-03-25
摘要： A method for manufacturing resin particles is provided. The method includes the steps of: dissolving a resin free of poly(lactic-co-glycolic acid) (PLGA) in a good solvent of the resin to prepare a resin solution; and discharging the resin solution from at least one discharge hole having an inner diameter of less than 1,000 μm into a poor solvent of the resin to form resin particles.
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