Metal oxide material
    22.
    发明申请
    Metal oxide material 审中-公开
    金属氧化物材料

    公开(公告)号:US20020088964A1

    公开(公告)日:2002-07-11

    申请号:US09770088

    申请日:2001-01-25

    IPC分类号: H01B001/00 H01C001/00

    摘要: The invention provides certain novel metal oxide materials which exhibit superconductivity at elevated temperatures and/or which are useful in electrode, electrolyte, cell and sensor applications, or as electrochemical catalysts. The metal oxide materials are generally within the formulaRnnull1nullunullsAuMmnulleCun0wnullnull(1)where nnull0 and n is an integer or a non-integer, 1nullmnull2, 0nullsnull0.4, 0nullenull4, and 2nnull(1/2) 0 and distorted or undistorted substantially square sheets of R for n>1.

    摘要翻译: 本发明提供某些新颖的金属氧化物材料,其在升高的温度下表现出超导性和/或可用于电极,电解质,电池和传感器应用,或用作电化学催化剂。 金属氧化物材料通常在式(1)中,其中n> = 0,并且其中n> 0和 n是整数或非整数,1 <= m <= 2,0 <= s <= 0.4,0 <= e <= 4和2n +(1/2) = 1,u为2,对于0 <= n <1,u为n + 1,其中R和A各自为Y,La,Ce,Pr,Nd中的任意一种或任意组合 ,Sm,Eu,Gd,Dy,Ho,Er,Tm,Yb,Lu,Ca,Sr,Ba,Li,Na,K,Rb或Cs; M是Cu,Bi,Sb,Pb,Tl或任何其它过渡金属中的任何一种或任何组合; Cu是由Bi,Sb,Pb,Tl或任何其它过渡金属中的任何一种或任何组合部分取代的Cu或Cu; 0为0或0,部分被N,P,S,Se或F中的任一个取代; 并且其中当n> 0时,材料的结构的特征在于变形或未失真的基本上正方形的CuO 2片状片,并且对于n> 1,失真或未失真的大致正方形的R片。

    Ni catalysts and methods for alkane dehydrogenation
    23.
    发明授权
    Ni catalysts and methods for alkane dehydrogenation 有权
    镍催化剂和烷烃脱氢方法

    公开(公告)号:US06417422B1

    公开(公告)日:2002-07-09

    申请号:US09510458

    申请日:2000-02-22

    申请人: Yumin Liu

    发明人: Yumin Liu

    IPC分类号: C07C5327

    摘要: Catalysts and method for alkane dehydrogenation are disclosed. The catalysts of the invention generally comprise (i) nickel or a nickel-containing compound and (ii) at least one or more of titanium (Ti), tantalum (Ta), niobium (Nb), hafnium (Hf), tungsten (W), yttrium (Y), zinc (Zn), zirconium (Zr), or aluminum (Al), or a compound containing one or more such element(s). In preferred embodiments, the catalyst is a supported catalyst, the alkane or substituted alkane is selected from the group consisting of ethane, propane, isobutane, butane and ethyl chloride, molecular oxygen is co-fed with the alkane or substituted alkane to a reaction maintained at a temperature ranging from about 250° C. and about 350° C., and the ethane is oxidatively dehydrogenated to form the corresponding alkene with an alkene conversion of at least about 10% and an alkene selectivity of at least about 70%.

    摘要翻译: 公开了烷烃脱氢的催化剂和方法。 本发明的催化剂通常包括(i)镍或含镍化合物和(ii)钛(Ti),钽(Ta),铌(Nb),铪(Hf),钨(W)中的至少一种或多种 ),钇(Y),锌(Zn),锆(Zr)或铝(Al),或含有一种或多种这样的元素的化合物。 在优选的实施方案中,催化剂是负载型催化剂,烷烃或取代烷烃选自乙烷,丙烷,异丁烷,丁烷和乙基氯,分子氧与烷烃或取代烷烃共同进料至反应维持 在约250℃和约350℃的温度下,乙烷被氧化脱氢以形成相应的烯烃,烯烃转化率为至少约10%,烯烃选择性为至少约70%。

    Preparation of aliphatic alpha, omega-aminonitriles
    26.
    发明授权
    Preparation of aliphatic alpha, omega-aminonitriles 失效
    脂肪族α,ω-氨基腈的制备

    公开(公告)号:US06114567A

    公开(公告)日:2000-09-05

    申请号:US122102

    申请日:1998-07-24

    摘要: Aliphatic alpha,omega-aminonitriles are prepared by partial hydrogenation of aliphatic alpha,omega-dinitriles at elevated temperatures and superatmospheric pressure in the presence of a solvent and of a catalyst by a process which comprises using a catalyst which(a) contains a compound based on a metal selected from the group consisting of nickel, cobalt, iron, ruthenium and rhodium and(b) contains from 0.01 to 25% by weight, based on (a), of a promoter based on a metal selected from the group consisting of palladium, platinum, iridium, osmium, copper, silver, gold, chromium, molybdenum, tungsten, manganese, rhenium, zinc, cadmium, lead, aluminum, tin, phosphorus, arsenic, antimony, bismuth and rare earth metals and(c) from 0 to 5% by weight, based on (a), of a compound based on an alkali metal or on an alkaline earth metal.with the proviso that the component (a) is not based on iron or iron and one of the metals selected from the group consisting of cobalt, ruthenium and rhodium when (b) is a promoter based on a metal selected from the group consisting of titanium, manganese, chromium and molybdenum, and with the further proviso that, when a compound based on only ruthenium or rhodium or ruthenium and rhodium or nickel and rhodium is selected as component (a), the promoter (b) may be dispensed with.

    摘要翻译: 脂肪族α,ω-氨基腈通过脂肪族α,ω-二腈在升高的温度和超大气压下,在溶剂和催化剂存在下通过包括使用(a)含有基于化合物的催化剂 在选自镍,钴,铁,钌和铑的金属上,和(b)含有基于(a)0.01至25重量%的基于选自以下的金属的促进剂: 钯,铂,铱,锇,铜,银,金,铬,钼,钨,锰,铼,锌,镉,铅,铝,锡,磷,砷,锑,铋和稀土金属和(c) 基于(a)的0至5重量%的基于碱金属或碱土金属的化合物。 条件是当(b)是基于选自钛的金属的促进剂时,组分(a)不是基于铁或铁和选自钴,钌和铑的金属之一, ,锰,铬和钼,另外条件是,当选择仅基于钌或铑或钌和铑或镍和铑的化合物作为组分(a)时,可以省略促进剂(b)。

    Hydrogenation of maleic anhydride to tetrahydrofuran
    30.
    发明授权
    Hydrogenation of maleic anhydride to tetrahydrofuran 失效
    马来酸酐氢化成四氢呋喃

    公开(公告)号:US4810807A

    公开(公告)日:1989-03-07

    申请号:US214788

    申请日:1988-07-05

    摘要: A continuous process for the preparation of tetrahydrofuran comprises, in a single-stage process, catalytically hydrogenating the solution which results when at least one of maleic anhydride or succinic anhydride is dissolved in a monohydric aliphatic alcohol in the presence of hydrogen and a catalyst comprising the mixed oxides of copper, zinc and aluminum.

    摘要翻译: 用于制备四氢呋喃的连续方法包括在单阶段方法中催化氢化当在氢存在下将马来酸酐或琥珀酸酐中的至少一种溶解在一元脂肪醇中时产生的溶液,所述催化剂包含 铜,锌和铝的混合氧化物。