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    • 6. 发明授权
    • Process for resurfacing roads
    • 重铺道路的过程
    • US5618132A
    • 1997-04-08
    • US503371
    • 1995-07-17
    • Roland FoggJeffrey MacDonald
    • Roland FoggJeffrey MacDonald
    • C08L95/00E01C7/18E01C7/26E01C7/35
    • E01C7/265C08L95/00E01C7/187
    • A process for resurfacing asphalt roads, includes the step of spraying a thin film of heated asphaltic material onto the road surface, and then laying an aggregate layer on the film while the film is still hot. The asphaltic material is preferably composed of from about sixty (60) to ninety-five (95) parts asphalt, about 40 to 5 parts waste oil, about one-half (1/2) to one and one-half (11/2) parts finely divided latex, and about one-half (1/2) part anti-stripping agent. The material is heated to a temperature between two hundred twenty (220) degrees Fahrenheit and two hundred fifty (250) degrees Fahrenheit to achieve flowability on the road surface. Advantageously, the process can be carried out without air pollution problems or material runoff problems. The process is environmentally friendly.
    • 沥青道路重铺路面的工序包括将加热沥青材料薄膜喷涂在路面上的步骤,然后在薄膜仍然热的同时在薄膜上铺设骨料层。 沥青材料优选由约六十(60)至九十五(95)份沥青,约40至5份废油,约一半(+ E,fra 1/2 + EE)组成,一个和一个 (1 + E,fra 1/2 + EE)部分精细分散的胶乳和约一半(+ E,fra 1/2 + EE)部分抗剥离剂。 将该材料加热至华氏二百二十度(二百二十度)至二百五十度(250度),以达到路面的流动性。 有利地,该过程可以在没有空气污染问题或物质径流问题的情况下进行。 这个过程是环保的。
    • 9. 发明申请
    • Bioreactor design and process for engineering tissue from cells
    • 生物反应器设计和工艺从细胞工程组织
    • US20070238176A1
    • 2007-10-11
    • US11226351
    • 2005-09-15
    • Jeffrey MacDonaldStephen Wolfe
    • Jeffrey MacDonaldStephen Wolfe
    • C12N5/00
    • B01D63/02B01D63/021B01D63/022B01D63/026C12M23/34C12M25/14C12M29/16
    • A scaled-up multi-coaxial fiber bioreactor, and variations of this bioreactor. The device is characterized by a hollow housing and an array of from about 20 to about 400 modules of hollow fibers, where each module includes at least three coaxial semipermeable hollow fibers. The innermost fiber provides a boundary for an innermost compartment which is connected to inlet and outlet ports. Arranged coaxially around the central hollow fiber are several other hollow fibers with their respective compartments, each compartment defined by a respective annular space between adjacent fibers and each including inlet and outlet ports. An outermost compartment for permitting integral aeration is the space between the outer side of the outermost fibers and the inner side of the housing, and has inlet and outlet ports. The hollow housing has inlet and outlet manifolds and flow distributors for each of the compartments. In a preferred embodiment the bioreactor is used as an extracorporeal liver. Liver cells, are introduced into one or more annular compartments and media and aeration are provided in others. Plasma from an ailing patient is introduced into another compartment for biotransformation of blood-borne toxins and biosynthesis of proteins, lipids, and other metabolic products.
    • 放大的多同轴纤维生物反应器,以及该生物反应器的变化。 该装置的特征在于具有中空纤维的中空壳体和约20至约400个模块的阵列,其中每个模块包括至少三个同轴半透性中空纤维。 最里面的纤维为连接到入口和出口的最内层提供了一个边界。 围绕中央中空纤维同轴布置的是具有它们各自的隔室的几个其它中空纤维,每个隔室由相邻纤维之间的相应的环形空间限定,并且每个隔室包括入口和出口。 用于允许整体曝气的最外隔室是最外层纤维的外侧和壳体的内侧之间的空间,并且具有入口和出口。 空心壳体具有用于每个隔间的入口和出口歧管和流量分配器。 在优选的实施方案中,生物反应器用作体外肝脏。 将肝细胞引入一个或多个环形隔室中,并在其它隔室中提供介质和曝气。 将来自恶劣患者的血浆引入另一个隔室以进行血源性毒素的生物转化和蛋白质,脂质和其它代谢产物的生物合成。