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    • 36. 发明授权
    • Process for producing 4-Nitrosodiphenylamines or their salts
    • 制备4-亚硝基二苯胺或其盐的方法
    • US5648543A
    • 1997-07-15
    • US466239
    • 1995-06-06
    • Tetsuo MurataHiroyuki TakagiYasumi Katayama
    • Tetsuo MurataHiroyuki TakagiYasumi Katayama
    • C07C209/68C07C207/00
    • C07C209/68
    • Disclosed is a process for producing a 4-nitrosodiphenylamine of the formula (2) ##STR1## wherein R.sub.1 and R.sub.2 independently represent hydrogen atom, methyl group, ethyl group, cyclohexyl group, methoxy group, ethoxy group or chlorine or bromine atom, or a salt thereof, comprising treating a diphenylamine represented by the formula (1) ##STR2## wherein R.sub.1 and R.sub.2 are as defined above with (i) a mixture of nitrogen oxides, (ii) a hydrogen halide and (iii) an aliphatic alcohol, wherein the atomic ratio of oxygen to nitrogen of the mixture of nitrogen oxides is more than 1.0 and less than 2.0. This process produces 4-nitrosodiphenylamine of the formula (2) or a salt thereof conveniently and effectively, and is industrially advantageous.
    • 公开了一种制备式(2)的4-亚硝基二苯胺的方法,其中R1和R2独立地表示氢原子,甲基,乙基,环己基,甲氧基,乙氧基或氯或溴原子 或其盐,其包括处理由式(1)表示的二苯胺其中R 1和R 2如上定义,其中(i)氮氧化物的混合物,(ⅱ)卤化氢和(ⅲ) )脂族醇,其中氮氧化物混合物中氧与氮的原子比大于1.0且小于2.0。 该方法方便有效地产生式(2)的4-亚硝基二苯胺或其盐,在工业上是有利的。
    • 37. 发明授权
    • Method for preparing elongated-shaped silica sol
    • 制备细长形硅胶的方法
    • US5597512A
    • 1997-01-28
    • US323119
    • 1994-10-14
    • Yoshitane WatanabeYoshiyuki KashimaHiroyuki Takagi
    • Yoshitane WatanabeYoshiyuki KashimaHiroyuki Takagi
    • C01B33/148B01J13/00C01B33/141C01B33/151
    • C01B33/141B01J13/00
    • A method for preparing a silica sol having an elongated shape comprising a step (a) where an aqueous solution containing a water-soluble calcium salt or a water-soluble magnesium salt or a mixture of the water-soluble calcium salt or the water-soluble magnesium salt is mixed with an aqueous colloidal solution of an active silicic acid; a step (b) where an alkaline substance is mixed with the aqueous liquid obtained in the step (a); a step (c) where a part or the whole of the mixture obtained in the step (b) is heated at 60.degree. C. or higher to obtain a heel solution and a feed solution is prepared by a part of the mixture obtained in the step (b) or a mixture separately prepared by the step (b) and the feed solution is added to the heel solution; and a step where water is evaporated during said addition step so that SiO.sub.2 concentration is concentrated to 6 to 30% by weight.
    • 一种制备具有细长形状的硅溶胶的方法,包括步骤(a),其中含有水溶性钙盐或水溶性镁盐的水溶液或水溶性钙盐或水溶性钙盐的混合物 镁盐与活性硅酸的水性胶体溶液混合; 步骤(b)其中将碱性物质与步骤(a)中获得的水性液体混合; 步骤(c)将步骤(b)中获得的混合物的一部分或全部加热至60℃或更高以获得脚后跟溶液,并且通过在 将步骤(b)或通过步骤(b)分开制备的混合物和进料溶液加入到脚后跟溶液中; 以及在所述添加步骤中水蒸发的步骤,使SiO 2浓度浓缩至6〜30重量%。
    • 39. 发明授权
    • Blood pump for use in an artificial heart or such purpose
    • 血泵用于人造心脏或此类用途
    • US3955557A
    • 1976-05-11
    • US511024
    • 1974-09-30
    • Hiroyuki Takagi
    • Hiroyuki Takagi
    • F04B43/10A61M1/10A61M1/03A61F1/24
    • A61M1/106A61M1/1065Y10S128/03
    • This invention relates to a blood pump for use in an artificial heart including an inlet pump system and an output pump system in series with each pump including branch tubes communicating with first main inlet tube, each branch tube being equipped with a flow-in side valve and a flow-out side valve with a flexible middle portion of the branch tubes which is expanded or contracted to provide a pulsatile pump with flow-out end of each branch tube connected to a second main tube with the second main tube of the inlet pump system being connected with the first main tube of the output pump and with the branch tubes of each system being ultimately expanded and contracted at different rates to provide a blood pump which achieves excellent hemodynamic effects without requiring synchronization with the rhythm of a natural heart.
    • 本发明涉及一种用于人造心脏的血泵,包括入口泵系统和输出泵系统,每个泵与每个泵串联,包括与第一主入口管连通的分支管,每个分支管装有流入侧阀 以及流出侧阀,其具有扩展或收缩的分支管的柔性中间部分,以提供脉动泵,其具有连接到第二主管的每个分支管的流出端,而入口泵的第二主管 系统与输出泵的第一主管连接,并且每个系统的分支管最终以不同的速率膨胀和收缩以提供血泵,其实现优异的血液动力学效应,而不需要与天然心脏的节律同步。