Method For Producing 3-Pentenenitrile
    84.
    发明申请
    Method For Producing 3-Pentenenitrile 有权
    生产3-戊烯腈的方法

    公开(公告)号:US20080227998A1

    公开(公告)日:2008-09-18

    申请号:US10586007

    申请日:2005-01-27

    IPC分类号: C07C255/01

    摘要: A process is described for preparing 3-pentenenitrile, characterized by the following process steps: (a) reacting 1,3-butadiene with hydrogen cyanide over at least one catalyst to obtain a stream 1 which comprises 3-pentenenitrile, 2-methyl-3-butenenitrile, the at least one catalyst and 1,3-butadiene, (b) distilling stream 1 in a column to obtain a high-1,3-butadiene stream 2 as the top product and a low-1,3-butadiene stream 3 as the bottom product which comprises 3-pentenenitrile, the at least one catalyst and 2-methyl-3-butenenitrile, (c) distilling stream 3 in a column to obtain a stream 4 as the top product which comprises 1,3-butadiene, a stream 5 which comprises 3-pentenenitrile and 2-methyl-3-butenenitrile at a side draw of the column, and a stream 6 as the bottom product which comprises the at least one catalyst, (d) distilling stream 5 to obtain a stream 7 as the top product which comprises 2-methyl-3-butenenitrile, and a stream 8 as the bottom product which comprises 3-pentenenitrile.

    摘要翻译: 描述了一种制备3-戊烯腈的方法,其特征在于以下工艺步骤:(a)使1,3-丁二烯与氰化氢在至少一种催化剂上反应,得到流1,其包含3-戊烯腈,2-甲基-3 丁烯腈,至少一种催化剂和1,3-丁二烯,(b)在塔中蒸馏物流1,得到作为顶部产物的高-1,3-丁二烯流2和低-1,3-丁二烯流 3作为底部产物,其包含3-戊烯腈,至少一种催化剂和2-甲基-3-丁烯腈,(c)在塔中蒸馏流3以获得作为顶部产物的料流4,其包含1,3-丁二烯 ,在塔的侧馏分中包含3-戊烯腈和2-甲基-3-丁烯腈的料流5和作为底部产物的料流6,其包含至少一种催化剂,(d)蒸馏流5以获得 流7作为顶部产物,其包含2-甲基-3-丁烯腈,以及作为底部产物的料流8,其包含3-戊烯 腈

    Process for removing water from a mixture containing water and zinc chloride
    85.
    发明授权
    Process for removing water from a mixture containing water and zinc chloride 失效
    从含水和氯化锌的混合物中除去水的方法

    公开(公告)号:US07407643B2

    公开(公告)日:2008-08-05

    申请号:US10519513

    申请日:2003-07-04

    IPC分类号: C01B9/02

    摘要: A process for the removal of water from a mixture comprising water and zinc chloride, which comprises adding to said mixture comprising water and zinc chloride an aprotic, polar diluent whose boiling point in the case where an azeotrope is not formed between said diluent and water under the pressure conditions of the distillation mentioned below is higher than the boiling point of water and which is in liquid form at this boiling point of water or which forms an azeotrope or heteroazeotrope with water under the pressure and temperature conditions of the distillation mentioned below, and distilling the mixture comprising water, zinc chloride and the diluent with removal of water or said azeotrope or said heteroazeotrope from this mixture, giving an anhydrous mixture comprising zinc chloride and said diluent.

    摘要翻译: 一种用于从包含水和氯化锌的混合物中除去水的方法,其包括向包含水和氯化锌的所述混合物中加入非质子极性稀释剂,其中在所述稀释剂和水之间未形成共沸物的情况下为沸点 下述蒸馏的压力条件高于水的沸点,并且在该沸点沸点下为液体形式,或者在下述蒸馏的压力和温度条件下与水形成共沸物或杂合物,并且 从该混合物中除去包含水,氯化锌和稀释剂的混合物,除去水或所述共沸物或所述杂共聚物,得到包含氯化锌和所述稀释剂的无水混合物。

    Catalyst system containing Ni(0) for hydrocyanation
    86.
    发明授权
    Catalyst system containing Ni(0) for hydrocyanation 有权
    含有Ni(0)氢化氰化催化体系

    公开(公告)号:US07345006B2

    公开(公告)日:2008-03-18

    申请号:US10484169

    申请日:2002-07-16

    IPC分类号: B01J27/185

    摘要: A system comprising a) Ni(0) b) from 4 to 10 mol per mol of Ni(0) in a) of a compound (I) of the formula P(X1R1)(X2R2)(X3R3)   (I) where X1, X2, X3 are each, independently of one another, oxygen or a single bond, R1, R2, R3 are, independently of one another, identical or different organic radicals and c) from 1 to 4 mol per mol of Ni(0) in a) of a compound (II) of the formula where X11, X12, X13 X21, X22, X23 are each, independently of one another, oxygen or a single bond, R11, R12 are identical or different, individual or bridged organic radicals, R21, R22 are identical or different, individual or bridged organic radicals and Y is a bridging group is suitable as catalyst for preparing mixtures of monoolefinic C5 mononitriles having nonconjugated C═C and C═N bonds by hydrocyanation of a 1,3-butadiene-containing hydrocarbon mixture and for preparing a dinitrile by hydrocyanation of a mixture of monoolefinic C5 mononitriles having nonconjugated C═C and C═N bonds.

    摘要翻译: 一种系统,其包含a)式(I)中的式(ⅰ)中的每一摩尔Ni(0)中的Ni(0)b)4至10摩尔的式(ⅰ)的线性式描述=“在线式” 结束=“铅”→P(X 1> 1 )(X 2 2 R 2)(X (I)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中X <1> 2,R 3彼此独立地为相同或不同的有机基团,c)1至4摩尔每摩尔a)化合物中的Ni(0) II),其中X 11,X 12,X 13,X 21,X 22 X 23,X 23各自彼此独立地为氧或单键,R 11,R 12和R 12相同或相同, 不同的单个或桥接的有机基团,R 21,R 22和R 22相同或不同,单个或桥接的有机基团和Y 桥联基团适合作为通过含1,3-丁二烯的烃混合物的氢氰化制备具有非共轭CC和CN键的单烯烃C 5 H 5单体的混合物的催化剂,并通过氢化氰化反应制备二腈 具有非共轭CC和CN键的单烯烃C 5 H 5单体的混合物。

    Method of Fabricating an Integrated Circuit to Improve Soft Error Performance
    87.
    发明申请
    Method of Fabricating an Integrated Circuit to Improve Soft Error Performance 有权
    制造集成电路以提高软错误性能的方法

    公开(公告)号:US20070157349A1

    公开(公告)日:2007-07-05

    申请号:US11683278

    申请日:2007-03-07

    IPC分类号: H03K19/00 H01L23/58 H01L25/00

    CPC分类号: G06F17/5045 H01L27/11

    摘要: The present invention provides, in one aspect, a method of designing an integrated circuit 500. In this particular aspect, the method comprises reducing soft error risk in an integrated circuit 500 by locating a structure 526, 528 relative to a node 516 of the integrated circuit 500 to reduce a linear energy transfer associated with a sub-atomic particle 530, 532 into the node 516, such that the linear energy transfer does not exceed a threshold value associated with the integrated circuit 500.

    摘要翻译: 本发明在一个方面提供一种设计集成电路500的方法。 在该特定方面,该方法包括通过相对于集成电路500的节点516定位结构526,528以减少与子原子粒子530,532相关联的线性能量传递来降低集成电路500中的软错误风险 进入节点516,使得线性能量传递不超过与集成电路500相关联的阈值。