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    • 1. 发明申请
    • REVERSE OSMOSIS MEMBRANE AND PROCESS FOR MAKING
    • 反向麻醉膜和制备方法
    • WO1985000985A1
    • 1985-03-14
    • PCT/US1984001379
    • 1984-08-27
    • BRUNSWICK CORPORATION
    • BRUNSWICK CORPORATIONWRASIDLO, Wolfgang, J.
    • B01D13/04
    • B01D69/02B01D69/125
    • A reverse osmosis membrane (10) with improved physical characteristics which is particularly useful in water purification. This membrane includes a thin, active layer (20) of a relatively inert, film forming, polymer, preferably cellulose triacetate, which is capable of dissolving a limited amount of water. The active layer is used in association with a porous support (12), preferably polyvinylidene fluoride. This active layer is disposed on a hydrogel layer (16) which serves to facilitate the movement of water away from the active layer generally toward the pores in the support. The support used is an asymmetric layer or membrane in which the porosity increases with the distance from the hydrogel layer. The complete membrane may be made by employing solvent solutions which are successively applied to the support layer or membrane and from which the solvent is removed.
    • 具有改善的物理特性的反渗透膜(10),其在水净化中特别有用。 该膜包括能够溶解有限量的水的相对惰性的成膜聚合物,优选纤维素三乙酸酯的薄的活性层(20)。 活性层与多孔载体(12)结合使用,优选聚偏二氟乙烯。 该有源层设置在水凝胶层(16)上,该水凝胶层(16)用于促进水从活性层的移动通常朝向载体中的孔。 所使用的载体是不对称层或膜,其中孔隙率随着与水凝胶层的距离而增加。 完整的膜可以通过使用依次施加到载体层或膜上并从其中除去溶剂的溶剂溶液来制备。
    • 5. 发明申请
    • CELL GROWTH REACTOR WITH THREE COMPARTMENTS FORMED BY HYDROPHOBIC AND HYDROPHILIC MEMBRANES
    • 具有由疏水性和疏水性膜形成的三个间隔的细胞生长反应器
    • WO1989000188A1
    • 1989-01-12
    • PCT/US1988002209
    • 1988-06-28
    • BRUNSWICK CORPORATION
    • BRUNSWICK CORPORATIONWRASIDLO, Wolfgang, J.HOFMANN, Frieder, K.DeWINTER, Dirk, M.
    • C12M03/00
    • C12M29/04C12M23/24C12M23/34
    • A continuous, integrated membrane bioreactor system for the culture of hybridoma or mammalian cells which meets the nutritional and physical needs of hybridomas or mammalian cells, allows for the harvesting of products, and maintains sterile integrity of the system by combining several individual apparatus having separate functions into an integrated, functioning unit. Central to this bioreactor is the compact size of the cell enclosure which is made possible by the high cell densities achieved in the layered membrane design and the continuous feed and bleed nutrient medium system which minimizes the nutrient medium volume inside the bioreactor. Maximized product output per unit of volume minimizes the space necessary to house the bioreactor. Oxygen is passed through the bioreactor as air or another gas mixture, rather than dissolved in the nutrient medium.
    • 用于培养满足杂交瘤或哺乳动物细胞的营养和物理需要的杂交瘤或哺乳动物细胞的连续的,整合的膜生物反应器系统允许产品的收获,并且通过组合具有单独功能的几个单独的装置来维持系统的无菌完整性 成为一个综合功能单位。 该生物反应器的中心是细胞外壳的紧凑尺寸,其通过在分层膜设计中实现的高细胞密度和连续进料和排出营养培养基系统而实现,其使生物反应器内的营养培养基体积最小化。 最大化每单位体积的产品输出可最大限度地减少安装生物反应器所需的空间。 氧气通过生物反应器作为空气或另一种气体混合物,而不是溶解在营养培养基中。