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    • 3. 发明申请
    • SYMMETRICAL FLUIDIZATION COATER FOR HIGH CAPACITY MANUFACTURING
    • 用于高容量制造的对称流化涂层
    • WO0213977A2
    • 2002-02-21
    • PCT/US0125142
    • 2001-08-10
    • GENENCOR INTKOSOLA ANTTIBRAUN RYSZARDBECKER NATHANIEL TCHRISTENSEN ROBERT I JRKYLAEKOSKI VILLEGAERTNER ALFRED L
    • KOSOLA ANTTIBRAUN RYSZARDBECKER NATHANIEL TCHRISTENSEN ROBERT I JRKYLAEKOSKI VILLEGAERTNER ALFRED L
    • B01J2/00B01J2/16B05D
    • B01J2/16B01J2/006
    • A fluidized bed coating apparatus is provided and includes a fluid inlet adapted to be connected to a source of fluidizing fluid. The fluid inlet has an entrance opening having a first diameter and an exit opening downstream of the entrance opening. The exit opening has a second diameter that is larger than the first diameter. The inlet also includes an expanding inlet section, between the entrance opening and the exit opening, that has an average diameter that increases in a direction from said entrance opening to said exit opening. A fluid distribution plate is provided adjacent the exit opening and includes a plurality of through-passages to allow the even and distributed passage of a fluidizing fluid therethrough. A chamber having a chamber inlet and a chamber outlet is provided and the fluid distribution plate is positioned between the exit opening and the chamber inlet. The chamber includes at least a first diverging section having an average diameter that increases in the direction from the chamber inlet downstream toward the chamber outlet. The symmetrical design of the coater provides an evenly distributed flow of fluid that enables efficient and complete fluidization and coating of very large particle beds.
    • 提供了一种流化床涂覆设备,并包括适于连接到流化流体源的流体入口。 流体入口具有入口,其具有第一直径和入口开口下游的出口。 出口具有大于第一直径的第二直径。 入口还包括在入口和出口之间的扩张入口部分,其具有在从所述入口到所述出口的方向上增加的平均直径。 流体分配板邻近出口设置并且包括多个通道以允许流化流体均匀分布通过其中。 提供具有室入口和室出口的室,并且流体分配板位于出口和室入口之间。 该腔室至少包括第一发散部分,该第一发散部分具有在从腔室入口下游朝向腔室出口的方向上增加的平均直径。 涂布机的对称设计提供均匀分布的流体流动,能够高效,完全地流化和涂覆非常大的颗粒床。
    • 10. 发明授权
    • Granule containing protein and salt layered on an inert particle
    • 含有蛋白质和盐的颗粒层叠在惰性颗粒上
    • US6423517B2
    • 2002-07-23
    • US21508698
    • 1998-12-18
    • GENENCOR INT
    • BECKER NATHANIEL TCHRISTENSEN JR ROBERT IGROS ERNST H
    • C11D3/386C12N9/98C12N9/99A61K9/16C07K17/00C12N9/96C12N11/00
    • C12N9/98C11D3/38672C12N9/99Y10S530/81Y10S530/811Y10S530/813Y10S530/815
    • Granules are prepared containing an admixture of protein and salt layered over an inert particle. A preferred amount of salt is about between 63.7 and 84.3% of the total weight of the admixture. Proteins include pharmaceutically important proteins such as hormones, or industrially important proteins such as enzymes including proteases, amylases, lipases and cellulases capable of hydrolyzing substrates such as stains. Inert particles include inorganic salts, sugars, sugar alcohols, small organic molecules such as organic acids or salts, and minerals such as clays or silicates. A binder such as starch or polyethylene oxide may be mixed in with the admixture. A barrier material such as an inorganic salt or organic acid or salt may be in the admixture or coated over the admixture layer. A coating layer of a soluble or water dispersible film-forming polymer may be between the inert particle and admixture layer and/or over the admixture layer. The granules may also contain plasticizers, extenders, lubricants, pigments and anti-agglomeration agents. A preferred method for preparing the granules is by spraying a solution or slurry of the admixture onto the inert particles while fluidized in a fluid-bed coater.
    • 制备的颗粒含有层叠在惰性颗粒上的蛋白质和盐的混合物。 优选的盐的量约占混合物总重量的63.7%至84.3%。 蛋白质包括药学上重要的蛋白质,例如激素或工业上重要的蛋白质,例如酶,包括蛋白酶,淀粉酶,脂肪酶和能够水解底物如污渍的纤维素酶。 惰性颗粒包括无机盐,糖,糖醇,小有机分子如有机酸或盐,以及矿物质如粘土或硅酸盐。 粘合剂如淀粉或聚环氧乙烷可与混合物混合。 阻挡材料如无机盐或有机酸或盐可以混合或涂覆在混合层上。 可溶性或水分散性成膜聚合物的涂层可以在惰性颗粒和混合层之间和/或混合层之上。 颗粒还可以含有增塑剂,增量剂,润滑剂,颜料和抗附聚剂。 制备颗粒的优选方法是通过在流化床涂布机中流化的同时将混合物的溶液或浆料喷雾到惰性颗粒上。