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    • 52. 发明授权
    • Process for producing drug-containing microspheres by oil-in-water
evaporation process
    • 通过水包油蒸发法生产含药微球的方法
    • US5980947A
    • 1999-11-09
    • US352188
    • 1994-12-01
    • Ichiro YamakawaRyoichi MachidaSumio Watanabe
    • Ichiro YamakawaRyoichi MachidaSumio Watanabe
    • A61K9/16A61K9/50B01J13/12A61K9/14
    • A61K9/1694A61K9/1617A61K9/1647
    • Formation of a drug into microspheres by an oil-on-water solvent evaporation process in which a mixed solvent of at least one water-insoluble solvent and at least one water-miscible solvent is used as a solvent of an oil phase. A fatty acid or a salt thereof or at least one glycerin fatty acid ester and/or at least one propylene glycol fatty acid ester are added to the mixed solvent. The oil phase may also comprise the mixed solvent; a fatty acid or a salt thereof; and at least one glycerin fatty acid ester and/or at least one propylene glycol fatty acid ester. This oil phase is mixed and emulsified with an aqueous phase to form an oil-in-water emulsion. The emulsion with a drug contained therein is then subjected to an oil-in water solvent evaporation to produce the microspheres. The resulting drug-containing microspheres contain the drug at a high concentration and slowly release from the initial stage after administration.
    • 通过油包水溶剂蒸发方法将药物形成为微球,其中使用至少一种水不溶性溶剂和至少一种与水相混溶的溶剂的混合溶剂作为油相的溶剂。 向混合溶剂中加入脂肪酸或其盐或至少一种甘油脂肪酸酯和/或至少一种丙二醇脂肪酸酯。 油相也可以包含混合溶剂; 脂肪酸或其盐; 和至少一种甘油脂肪酸酯和/或至少一种丙二醇脂肪酸酯。 将该油相与水相混合并乳化以形成水包油乳液。 然后将其中含有药物的乳液进行油包水溶剂蒸发以产生微球体。 所得含药微球含有高浓度的药物,并在给药后从初始阶段缓慢释放。
    • 56. 发明授权
    • Container having screw-threaded captive cap
    • 集装箱有螺纹封盖
    • US5984123A
    • 1999-11-16
    • US750791
    • 1997-02-27
    • Tatsuro MogamiAkira MiyazakiSumio WatanabeMasaharu Nakao
    • Tatsuro MogamiAkira MiyazakiSumio WatanabeMasaharu Nakao
    • B65D55/16B65D41/04
    • B65D55/16
    • A packaging container having a container body and a lid unit which is undetachably mounted on the container body. The container body has a neck portion provided with an opening. An external thread cut in the outer periphery of the neck portion, and a lid mounting portion is provided below the external thread. The lid unit has a lid body and a fitting member. The lid body is provided with an internal thread engageable with the external thread of the container body, and has a function of hermetically sealing the opening of the container body. The fitting member is rotatably fitted around the lid mounting portion of the container body, but vertical movement of the fitting member is restricted within a predetermined range. The fitting member is held undetachable from the lid mounting portion by a collar of the container body. The lid body and the fitting member are connected to each other by a connecting member in such a manner that the lower surface of the lid body can rest on and separate from the upper surface of the fitting member.
    • PCT No.PCT / JP96 / 00970 Sec。 371日期1997年2月27日 102(e)日期1997年2月27日PCT提交1996年4月9日PCT公布。 公开号WO96 / 32339 日期1996年10月17日具有容器主体和不可拆卸地安装在容器主体上的盖单元的包装容器。 容器主体具有设置有开口的颈部。 在颈部的外周切割的外螺纹和在外螺纹的下方设置有盖安装部。 盖单元具有盖体和配合构件。 盖体设置有可与容器主体的外螺纹接合的内螺纹,并且具有气密地密封容器主体的开口的功能。 装配构件可旋转地安装在容器主体的盖安装部分周围,但是装配构件的垂直运动被限制在预定范围内。 装配构件通过容器主体的轴环被保持不能从盖安装部分脱离。 盖体和配合构件通过连接构件彼此连接,使得盖体的下表面可以安装在配合构件的上表面上并与安装构件的上表面分离。
    • 58. 发明授权
    • Motor driving circuit and method
    • 电机驱动电路及方法
    • US5811953A
    • 1998-09-22
    • US771807
    • 1996-12-20
    • Sumio WatanabeKatsuhiro MaedaShuko Yamaji
    • Sumio WatanabeKatsuhiro MaedaShuko Yamaji
    • H02P8/10H02P8/00H02P8/12H02P27/02H02P1/54
    • H02P8/12H02P27/02H02P29/026
    • A motor driving circuit coupled to a motor having a plurality of phases of coils includes a standard power source generating a first power supply voltage, and a step-up power source for generating a second power supply voltage greater than the first power supply voltage. A selecting circuit selects either the first power supply voltage or the second power supply voltage in response to a selecting signal. A motor driving circuit causes currents to flow in the phases of the motor in accordance with motor driving signals respectively related to the phases in a state in which a selected power supply voltage output by the selecting circuit is applied to one or more phases. A switching unit generates the selecting signal on the basis of the motor driving signals and a voltage signal corresponding to a current flowing through at least one of the phases of the motor so that the second power supply voltage is selected first and the first power supply voltage is selected second with respect to each of the phases.
    • 耦合到具有多相线圈的电动机的电动机驱动电路包括产生第一电源电压的标准电源和用于产生大于第一电源电压的第二电源电压的升压电源。 选择电路响应于选择信号选择第一电源电压或第二电源电压。 电动机驱动电路根据在由选择电路输出的选定电源电压施加到一个或多个相的状态下,根据与相位分别相关的电动机驱动信号,使电流在电动机的相位中流动。 开关单元基于电动机驱动信号和对应于流过电动机的至少一相的电流的电压信号来产生选择信号,使得首先选择第二电源电压和第一电源电压 相对于每个相位被选择为第二。