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    • 1. 发明授权
    • Preparation of complex metal oxides
    • 复合金属氧化物的制备
    • US07897128B2
    • 2011-03-01
    • US11737942
    • 2007-04-20
    • Robert QuinnDiwakar GargFrederick Carl WilhelmTerry Lee Slager
    • Robert QuinnDiwakar GargFrederick Carl WilhelmTerry Lee Slager
    • C01G45/00
    • C01G49/0018C01B13/185C01B32/60C01G45/1221C01G49/0036C01G49/0072C01P2002/50C01P2002/72
    • The present invention provides a process for making a complex metal oxide comprising the formula AxByOz. The process comprises the steps of: (a) reacting in solution at a temperature of between about 75° C. to about 100° C. at least one water-soluble salt of A, at least one water-soluble salt of B and a stoichiometric amount of a carbonate salt or a bicarbonate salt required to form a mole of a carbonate precipitate represented by the formula AxBy(CO3)n, wherein the reacting is conducted in a substantial absence of carbon dioxide to form the carbonate precipitate and wherein the molar amount of carbonate salt or bicarbonate salt is at least three times the stoichiometric amount of carbonate or bicarbonate salt required to form a mole of the carbonate precipitate; and (b) reacting the carbonate precipitate with an oxygen containing fluid under conditions to form the complex metal oxide.
    • 本发明提供一种制备复合金属氧化物的方法,该复合金属氧化物包含式AxByOz。 该方法包括以下步骤:(a)在约75℃至约100℃的温度下在溶液中使至少一种A的水溶性盐,至少一种B的水溶性盐和 化学计量的形成式AxBy(CO3)n表示的摩尔碳酸盐沉淀所需的碳酸盐或碳酸氢盐,其中反应在基本上不存在二氧化碳的情况下进行以形成碳酸盐沉淀物,其中摩尔 碳酸盐或碳酸氢盐的量至少为形成一摩尔碳酸盐沉淀物所需的碳酸盐或碳酸氢盐的化学计量量的三倍; 和(b)在条件下使碳酸盐沉淀物与含氧流体反应以形成复合金属氧化物。
    • 3. 发明申请
    • Preparation of Complex Metal Oxides
    • 复杂金属氧化物的制备
    • US20080260621A1
    • 2008-10-23
    • US11737942
    • 2007-04-20
    • Robert QuinnDiwakar GargFrederick Carl WilhelmTerry Lee Slager
    • Robert QuinnDiwakar GargFrederick Carl WilhelmTerry Lee Slager
    • C01D1/02C01G45/12
    • C01G49/0018C01B13/185C01B32/60C01G45/1221C01G49/0036C01G49/0072C01P2002/50C01P2002/72
    • The present invention provides a process for making a complex metal oxide comprising the formula AxByOz. The process comprises the steps of: (a) reacting in solution at a temperature of between about 75° C. to about 100° C. at least one water-soluble salt of A, at least one water-soluble salt of B and a stoichiometric amount of a carbonate salt or a bicarbonate salt required to form a mole of a carbonate precipitate represented by the formula AxBy(CO3)n, wherein the reacting is conducted in a substantial absence of carbon dioxide to form the carbonate precipitate and wherein the molar amount of carbonate salt or bicarbonate salt is at least three times the stoichiometric amount of carbonate or bicarbonate salt required to form a mole of the carbonate precipitate; and (b) reacting the carbonate precipitate with an oxygen containing fluid under conditions to form the complex metal oxide.
    • 本发明提供一种制备复合金属氧化物的方法,所述复合金属氧化物包括下式:其中R 1,R 2,R 3, 该方法包括以下步骤:(a)在约75℃至约100℃的温度下在溶液中使至少一种A的水溶性盐,至少一种B的水溶性盐和 化学计量量的形成一摩尔由式A表示的碳酸盐沉淀所需的碳酸盐或碳酸氢盐(CO 3/3) 其中反应在基本上不存在二氧化碳的情况下进行以形成碳酸盐沉淀物,并且其中碳酸盐或碳酸氢盐的摩尔量为化学计量量的碳酸盐的至少三倍或 形成一摩尔碳酸盐沉淀物所需的碳酸氢盐; 和(b)在条件下使碳酸盐沉淀物与含氧流体反应以形成复合金属氧化物。