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    • 3. 发明申请
    • IMPROVED NON-CHROMATED OXIDE COATING FOR ALUMINUM SUBSTRATES
    • 改进的非铬基氧化铝涂层用于铝基板
    • WO1996005335A1
    • 1996-02-22
    • PCT/EP1995003177
    • 1995-08-09
    • THE BOEING COMPANY
    • THE BOEING COMPANYSCHRIEVER, Matthias, P.
    • C23C22/56
    • C01G51/12C01G51/04C01P2004/03C01P2004/80C23C22/48C23C22/56C23C22/60C23C22/66C23C22/68C23C22/83E02D31/004
    • An improved process that is commercially practical for forming an oxide film cobalt conversion coating exhibiting corrosion resistance and paint adhesion properties on an aluminum or aluminum alloy substrate for use in aircraft/aerospace applications (for example, an aluminum or aluminum alloy commercial airplane part), the process comprising the steps of: (a) providing an oxide film forming cobalt conversion solution comprising an aqueous reaction solution prepared by reacting the following starting materials: (1) a cobalt-II salt; (2) an ammonium salt; (3) one or more inorganic complexing agents selected from a soluble metal carboxylate, a soluble metal nitrite, or ammonia; (4) a water soluble amine; and (5) an oxidizing agent; and (b) contacting the substrate with the aqueous reaction solution for a sufficient amount of time to oxidize the surface of the substrate, whereby the oxide film cobalt conversion coating is formed, thereby imparting corrosion resistance and paint adhesion properties to the substrate. A similar commercially practical process for aluminum or aluminum alloy substrates for use in non-aircraft/aerospace applications (for example, an aluminum or aluminum alloy marine hardware part) employs the above steps, but does not include the ammonium salt in the starting materials.
    • 在用于飞机/航空航天应用的铝或铝合金基材(例如铝或铝合金商用飞机部件)上形成表现出耐腐蚀性和涂料粘附性的氧化膜钴转化涂层的商业实用的改进方法, 该方法包括以下步骤:(a)提供形成钴转化溶液的氧化膜,其包含通过使以下原料反应制备的水性反应溶液:(1)钴-II盐; (2)铵盐; (3)一种或多种选自可溶性金属羧酸盐,可溶性金属亚硝酸盐或氨的无机络合剂; (4)水溶性胺; 和(5)氧化剂; 和(b)使基材与水性反应溶液接触足够的时间以氧化基材的表面,由此形成氧化物膜钴转化涂层,从而赋予基材耐腐蚀性和涂料粘附性。 用于非飞机/航空航天应用的铝或铝合金基板的类似的商业实用的方法(例如,铝或铝合金海洋硬件部件)采用上述步骤,但不包括起始材料中的铵盐。
    • 6. 发明申请
    • SEPARATION AND RECOVERY OF NICKEL AND COBALT IN AMMONIACAL SYSTEMS
    • 镍和钴在氨基酸系统中的分离和回收
    • WO1988009389A1
    • 1988-12-01
    • PCT/AU1988000144
    • 1988-05-19
    • MEQ NICKEL PTY. LTD.PRICE, Malcolm, JohnREID, John, Graham
    • MEQ NICKEL PTY. LTD.
    • C22B03/00
    • C01G53/003C01G51/12C22B3/0017C22B3/0021Y02P10/234
    • A process for the separation and recovery of nickel from an ammoniacal ammonium carbonate liquor containing nickel II ions and cobalt III ions by liquid-liquid extraction where ammoniacal ammonium carbonate solutions are the only aqueous phases involved in the process. The process includes the successive steps of: (a) oxidising the majority of any cobalt II ammines in the ammoniacal liquid to cobalt III; (b) extracting nickel from the ammoniacal liquor with an organic reagent, which reagent may also contain a suitable modifying reagent, to form a nickel loaded organic phase and an ammoniacal ammonium carbonate phase containing cobalt; (c) stripping the nickel loaded organic phase characterised by contacting the organic phase with an ammoniacal ammonium carbonate solution to form a nickel loaded aqueous strip liquor.
    • 一种通过液 - 液萃取从包含镍II离子和钴III离子的氨基碳酸铵液体中分离和回收镍的方法,其中氨基碳酸铵溶液是涉及该方法的唯一水相。 该方法包括以下连续步骤:(a)将氨液中的大部分任何钴II氨氧化为钴III; (b)用有机试剂从氨液中提取镍,该试剂还可含有合适的改性剂,以形成负载镍的有机相和含有钴的氨基碳酸铵相; (c)剥离负载镍的有机相,其特征在于使有机相与氨基碳酸铵溶液接触以形成负载镍的水性带状液。