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    • 12. 发明授权
    • Combustion catalysts and processes for removing organic compounds
    • 燃烧催化剂和除去有机化合物的方法
    • US06403048B1
    • 2002-06-11
    • US09471001
    • 1999-12-23
    • Wataru KobayashiMasao Nakano
    • Wataru KobayashiMasao Nakano
    • B01J800
    • B01J21/066B01D53/8662B01D53/8668B01J21/06B01J21/063B01J23/42B01J29/068B01J29/18B01J29/40B01J29/7007B01J35/0006B01J35/10B01J35/1085B01J2229/20
    • Catalysts for removing organic compounds from a gas stream containing the same and processes for removing organic compounds from the gas stream using the cataylst are disclosed. According to the first aspect, a combustion catalyst for removing organic compounds comprises a mixture of a zeolite and a metal oxide containing at least one of the elements of the platinum group. According to the second aspect, a combustion catalyst for removing organic compounds comprises an alumina having such a pore size distribution that, where “a” represents a pore radius in Å at the maximum of the pore size distribution curve, the accumlated pore volume of pores having radii in the range of “a”±Å is at least 65% of the total volume of all the pores, said alumina containing less than 1% by weight of rare earth elements and being loaded with one or more elements of the platinum group. According to third aspect, there is a process for removing organic compounds, said process comprising the step of contacting organic compounds with either one of the catalysts according to the first and second aspects of the invention.
    • 公开了从含有该有机化合物的气流中除去有机化合物的催化剂和使用催化剂从气流中除去有机化合物的方法。根据第一方面,用于除去有机化合物的燃烧催化剂包括沸石和金属的混合物 含有铂族元素中的至少一种元素的氧化物。 根据第二方面,用于除去有机化合物的燃烧催化剂包括具有孔尺寸分布的氧化铝,其中“a”表示孔径分布曲线最大值处的孔半径,孔的累积孔体积 具有在“a”的范围内的半径为所有孔的总体积的至少65%,所述氧化铝含有少于1重量%的稀土元素并且装载有一种或多种铂族元素 根据第三方面,有一种除去有机化合物的方法,所述方法包括使有机化合物与根据本发明的第一和第二方面的任一种催化剂接触的步骤。
    • 13. 发明授权
    • Process for preparing solid titanium catalyst component, olefin polymerization catalyst, and olefin polymerization process
    • 固体钛催化剂组分,烯烃聚合催化剂和烯烃聚合方法的制备方法
    • US06323150B1
    • 2001-11-27
    • US09131837
    • 1998-08-10
    • Shinichi KojohTsuneo YashikiKazumitsu KawakitaMasao NakanoSadahiko Matsuura
    • Shinichi KojohTsuneo YashikiKazumitsu KawakitaMasao NakanoSadahiko Matsuura
    • B01J3100
    • C08F10/00C08F4/651C08F4/6543
    • Disclosed is a process for preparing a solid titanium catalyst component, comprising the steps of (I) contacting a liquid magnesium compound with a liquid titanium compound to precipitate a solid in the contact liquid (&bgr;), and adding an electron donor (d-i) selected from the group consisting of a polycarboxylic ester and a polyether compound to the contact liquid (&bgr;) during the time from beginning to end of the solid precipitation, to form a solid product (&agr;); and (II) contacting the solid product (&agr;) obtained after completion of the solid precipitation with an electron donor (d-ii) selected from the group consisting of a polycarboxylic ester and a polyether compound, to prepare a solid titanium catalyst component. According to the process, a solid titanium catalyst component capable of polymerizing an olefin with high activity and capable of preparing an olefin polymer of high stereoregularity can be prepared. Also disclosed are an olefin polymerization catalyst containing a solid titanium catalyst component obtained by the above process and an olefin polymerization process using the olefin polymerization catalyst.
    • 公开了一种制备固体钛催化剂组分的方法,包括以下步骤:(I)使液体镁化合物与液体钛化合物接触以沉淀接触液体中的固体(β),并加入选择的电子给体(di) 从固体沉淀开始到结束的时间期间由聚羧酸酯和聚醚化合物组成接触液(β),形成固体产物(α); 和(II)使固体沉淀完成后得到的固体产物(α)与选自多羧酸酯和聚醚化合物的电子给体(d-ii)接触,制备固体钛催化剂组分。 根据该方法,可以制备能够使活性高的烯烃聚合并能够制备具有高立构规整性的烯烃聚合物的固体钛催化剂组分。 还公开了含有通过上述方法获得的固体钛催化剂组分和使用烯烃聚合催化剂的烯烃聚合方法的烯烃聚合催化剂。
    • 20. 发明授权
    • Semiconductor memory device
    • 半导体存储器件
    • US4740926A
    • 1988-04-26
    • US843356
    • 1986-03-24
    • Yoshihiro TakemaeMasao NakanoKimiaki SatoNobumi Kodama
    • Yoshihiro TakemaeMasao NakanoKimiaki SatoNobumi Kodama
    • G11C11/409G11C11/4091G11C11/4094G11C7/00
    • G11C11/4094G11C11/4091
    • A semiconductor memory device comprises a memory cell array, a bit line charge-up circuit coupled to one of a plurality of pairs of bit lines from the memory cell array for initially charging up the one pair of bit lines to a first voltage which is lower than a power source voltage used to drive the semiconductor memory device, an active restore circuit coupled to the one pair of bit lines and a switching circuit coupled to the one pair of bit lines for disconnecting the one pair of bit lines into a first pair of bit line sections on the side of the memory cell array and a second pair of bit line sections on the side of the active restore circuit after the one pair of bit lines are initially charged up to the first voltage. The active restore circuit charges up one of the pair of bit line sections on the side of the active restore circuit to a second voltage which is higher than the first voltage depending on a datum read out from the memory cell array.
    • 半导体存储器件包括存储单元阵列,位线充电电路,其耦合到存储单元阵列的多对位线中的一对,用于将一对位线初始充电至较低的第一电压 比用于驱动半导体存储器件的电源电压,耦合到一对位线的有效恢复电路和耦合到该一对位线的开关电路,用于将一对位线断开为第一对位 在存储单元阵列一侧的位线部分和在一对位线开始被充电至第一电压之后的有效恢复电路侧的第二对位线部分。 有源恢复电路根据从存储单元阵列读出的数据,将有源恢复电路一侧的一对位线部分中的一个充电到高于第一电压的第二电压。