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    • 4. 发明授权
    • Process for producing 2,6-naphthalenedicarboxylic acid
    • 2,6-萘二甲酸的制备方法
    • US4681978A
    • 1987-07-21
    • US770249
    • 1985-08-28
    • Takashi YamauchiShoichiro HayashiAtsushi Sasakawa
    • Takashi YamauchiShoichiro HayashiAtsushi Sasakawa
    • C07C63/38B01J31/00C07B61/00C07C51/00C07C51/265C07C67/00
    • C07C51/265
    • Disclosed herein is a process for producing 2,6-naphthalenedicarboxylic acid, comprising (1) oxidizing 2,6-diisopropylnaphthalene in a lower fatty acid as a solvent in the presence of a catalyst comprising a water-soluble cobalt salt and/or a water-soluble manganese salt in an amount of at least 0.5 gram-atom of Co and/or Mn to 1 mol of 2,6-diisopropylnaphthalene by an oxygen-containing gas, thereby obtaining isopropylnaphthalene-monocarboxylic acid and (2) further oxidizing the thus obtained 6-isopropyl-2-naphthoic acid in the lower fatty acid in the presence of the catalyst comprising a water-soluble cobalt salt and/or a water-soluble manganese salt in an amount of from 0.0025 to 0.12 gram-atom to 1 mol of 6-isopropyl-2-naphthoic acid by the oxygen-containing gas, thereby obtaining 2,6-naphthalenedicarboxylic acid.
    • 本文公开了2,6-萘二羧酸的制备方法,其包括(1)在含有水溶性钴盐和/或水的催化剂存在下,在低级脂肪酸中作为溶剂氧化2,6-二异丙基萘 通过含氧气体将至少0.5克原子的Co和/或Mn与1摩尔的2,6-二异丙基萘的可溶性锰盐混合,得到异丙基萘 - 一元羧酸,(2)进一步氧化 在包含水溶性钴盐和/或水溶性锰盐的催化剂存在下,在低级脂肪酸中得到6-异丙基-2-萘甲酸,其量为0.0025至0.12克原子至1摩尔 的6-异丙基-2-萘甲酸通过含氧气体反应,得到2,6-萘二甲酸。
    • 6. 发明授权
    • Output circuit
    • 输出电路
    • US08957652B2
    • 2015-02-17
    • US13330031
    • 2011-12-19
    • Takashi Yamauchi
    • Takashi Yamauchi
    • H02M3/156H03K17/082
    • H05B33/0887H03K17/0822H03K2217/0027H05B33/0815H05B33/089
    • There is provided an output circuit for supplying an output current to a load coupled to an output terminal in response to an input signal. The output circuit includes an output transistor for supplying the output current to the output terminal, an output-drive circuit for driving the output transistor, a constant-current limiting circuit for generating a current control signal for limiting the output current to a predetermined current value, and a control circuit for implementing a control such that the output current is controlled on the basis of the current control signal if a voltage at the output terminal is at a predetermined voltage, or less after the input signal is supplied while the output transistor is driven by the output-drive circuit if the voltage at the output terminal is in excess of the predetermined voltage.
    • 提供了一个输出电路,用于响应于输入信号向耦合到输出端子的负载提供输出电流。 输出电路包括用于向输出端子提供输出电流的输出晶体管,用于驱动输出晶体管的输出驱动电路,用于产生用于将输出电流限制到预定电流值的电流控制信号的恒流限制电路 以及控制电路,用于实现控制,使得如果输出端子处的电压在输入信号被提供之后输出端子处的电压处于预定电压以下时,则基于电流控制信号控制输出电流,同时输出晶体管为 如果输出端子处的电压超过预定电压,则由输出驱动电路驱动。