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    • 1. 发明授权
    • Sintered metal bodies and manufacturing method therefor
    • 烧结金属体及其制造方法
    • US5427601A
    • 1995-06-27
    • US767889
    • 1991-09-30
    • Takashi HaradaYoshihiro FujiwaraFumio AbeTsuneaki OhashiHiroshige MizunoKevin R. BrundageSrinivas H. SwaroopDavid F. ThompsonRaja R. WusirikaDavid S. Weiss
    • Takashi HaradaYoshihiro FujiwaraFumio AbeTsuneaki OhashiHiroshige MizunoKevin R. BrundageSrinivas H. SwaroopDavid F. ThompsonRaja R. WusirikaDavid S. Weiss
    • B22F1/00B01D53/94B01J23/86B22F3/11B22F5/00C22C32/00C22C33/02C22C38/00C22C29/12B22F3/00
    • C22C32/0026B01D53/945B01J23/862C22C33/0285Y02T10/22Y10T428/12611
    • A sintered metal body is disclosed of composition consisting essentially of in weight percent about 5 to 40 Cr, about 2 to 30 Al, 0 to about 5 special metal, 0 to about 4 rare earth oxide additive, and the balance Fe group metal and unavoidable impurities,the composition including at least one component selected from component A and/or component B, component A being special metal, and component B being at least an effective amount of rare earth oxide additive,the special metal being a first special metal component, and optionally, a second special metal component when rare earth oxide additive is 0, the first special metal component consisting of at least one of: Y, lanthanides, Zr, Hf, Ti, Si, and B, and the second special metal component consisting of at least one of: alkaline earth metal, Cu, and Sn, and the special metal being a third special metal component when rare earth oxide additive is >0, the third special metal component consisting of at least one of Y, lanthanides, Zr, Hf, Ti, Si, alkaline earth metal, B, Cu, and Sn.The body is excellent in oxidation resistance at high temperatures, heat resistance, and corrosion resistance, and can be suitably used by itself as a carrier for catalysts, for exhaust gas purification, etc., or as a monolith catalyst comprising catalyst carrier and catalyst supported thereon, and as a heater or catalytic converter by providing electrodes on the body.
    • 公开了一种烧结金属体,其组成主要包括重量百分比约5至40 Cr,约2至30种Al,0至约5种特殊金属,0至约4种稀土氧化物添加剂,余量为Fe族金属,不可避免 杂质,所述组合物包含选自组分A和/或组分B中的至少一种组分,组分A为特殊金属,组分B为至少有效量的稀土氧化物添加剂,所述特殊金属为第一特殊金属组分, 以及任选地,当稀土氧化物添加剂为0时的第二特殊金属组分,所述第一特殊金属组分由以下中的至少一种组成:Y,镧系元素,Zr,Hf,Ti,Si和B,并且所述第二特殊金属组分 的碱土金属,Cu和Sn中的至少一种,当稀土氧化物添加剂为> 0时,特殊金属是第三种特殊金属组分,第三种特殊金属组分由Y,镧系元素,Zr中的至少一种组成 , H f,Ti,Si,碱土金属,B,Cu和Sn。 本体在高温下的耐氧化性,耐热性和耐腐蚀性优异,可以适合用作催化剂载体,废气净化等,或作为包含催化剂载体和催化剂的整料催化剂 以及作为加热器或催化转化器,通过在主体上设置电极。
    • 10. 发明授权
    • Photoconductive elements having a polymeric barrier layer
    • 具有聚合物阻挡层的光导元件
    • US06593046B2
    • 2003-07-15
    • US09954907
    • 2001-09-18
    • Louis J. SorrieroMichel F. MolaireMarie B. O'ReganWayne T. FerrarDavid S. WeissJane Robin Cowdery
    • Louis J. SorrieroMichel F. MolaireMarie B. O'ReganWayne T. FerrarDavid S. WeissJane Robin Cowdery
    • G03G510
    • C08G73/1082C08G73/14C08G73/16G03G5/142
    • Disclosed are photoconductive elements including a conductive support, e.g., an electrically conductive film, drum, or belt, on which a negatively chargeable photoconductive layer is disposed. An electrical barrier layer is disposed between the conductive support and the photoconductive layer. The barrier layer provides a high energy barrier to the injection of positive charges, but transports electrons under an applied electric field. In embodiments, the barrier layer can transport charge by electronic, or both electronic and ionic mechanisms, and, is not substantially affected by humidity changes. The barrier layer includes a polyester-co-imides, polyesterionomer-co-imides, or polyamide-co-imides having covalently bonded as repeat units in the polymer chain, aromatic tetracarbonylbisimide groups of the formula: wherein Ar1 and Ar2 respectively represent tetravalent or trivalent aromatic groups of 6 to about 20 carbon atoms, and X is O, C(CF3)2, S═O or SO2.
    • 公开了包括导电性支持体(例如,导电膜,鼓或带)的光电导元件,其上设置有带负电的光导电层。 电阻挡层设置在导电支撑体和光电导层之间。 阻挡层为注入正电荷提供了高能量势垒,但在施加的电场下传输电子。 在实施例中,阻挡层可以通过电子或电子和离子机制两者传输电荷,并且基本上不受湿度变化的影响。 阻挡层包括在聚合物链中共价键合作为重复单元的聚酯 - 共 - 酰亚胺,聚酯型聚异氰酸酯 - 共 - 酰亚胺或聚酰胺 - 共 - 酰亚胺,其中Ar 1和Ar 2分别表示四价或三价的芳族四羰基二酰亚胺基团 6至约20个碳原子的芳基,X是O,C(CF 3)2,S = O或SO 2。