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    • 1. 发明授权
    • Method of producing straight-chain acrylonitrile dimers
    • 制备直链丙烯腈二聚体的方法
    • US5466858A
    • 1995-11-14
    • US298113
    • 1994-08-30
    • Ryoji SugiseKouichi KashiwagiMasashi ShiraiToshihiro Shimakawa
    • Ryoji SugiseKouichi KashiwagiMasashi ShiraiToshihiro Shimakawa
    • C07C63/70C07C65/32C07C65/34C07C253/30
    • C07C65/32C07C253/30C07C65/34Y02P20/52
    • Straight-chain acrylonitrile dimers including 1,4-dicyanobutene, 1,4-dicyanobutadiene and adiponitrile are produced at a high selectivity by dimerizing acrylonitrile in the presence of a ruthenium catalyst, and in the presence of a straight-chain dimer selectivity-enhancing agent comprising at least one member selected from(A) substituted benzoic acids, except for monoalkylbenzoic acids, having at least one substituent and preferably exhibiting a pKa of 1.50 to 6.0 determined in water at an ionic strength of 0 to 0.1 mole/liter at 25.degree. C.;(B) hetero atom-containing acyclic carboxylic acids having at least one substituent having a sulfur or nitrogen atom attached to a carbon atom located in an .alpha.- on .beta.-position with respect to a carboxyl group in a main hydrocarbon structure; and(C) 5 to 12 membered heterocyclic carboxylic acids having an oxygen, sulfur or nitrogen atom included in a 5 to 12 membered heterocyclic structure and a carboxyl or carboxymethyl group attached to a carbon atom located in an .alpha.-position with respect to the hetero atom.
    • 通过在钌催化剂的存在下使丙烯腈二聚,并且在直链二聚体选择性增强剂的存在下,以高选择性制备包括1,4-二氰基,1,4-二氰基丁二烯和己二腈的直链丙烯腈二聚体 包括至少一种选自(A)取代的苯甲酸,除了单烷基苯甲酸,具有至少一个取代基,并且优选表现出在25℃下在离子强度为0至0.1摩尔/升的水中测定的pKa为1.50至6.0。 C。; (B)具有至少一个具有硫原子或氮原子的取代基的含杂原子的非环状羧酸与位于主烃结构中的羧基上位于β-位上的α-位上的碳原子连接; 和(C)5至12元杂环结构中包含的具有氧,硫或氮原子的5至12元杂环羧酸和连接于位于相对于杂原子的α位的碳原子上的羧基或羧甲基 原子。
    • 8. 发明授权
    • System for retrieving and displaying attribute information of an object
based on importance degree of the object
    • 用于基于对象的重要程度来检索和显示对象的属性信息的系统
    • US5850206A
    • 1998-12-15
    • US632359
    • 1996-04-10
    • Kouichi Kashiwagi
    • Kouichi Kashiwagi
    • G06F17/30G06T1/00G06T17/00G06F15/62
    • G06T17/00
    • A System for retrieving and displaying attribute information of an object according to the present invention includes: detecting section for detecting an interaction between a user and the system; importance degree determining section for determining an importance degree of the object based on the interaction detected by the detecting section; object determining section for determining whether the attribute information of the object is to be displayed and an amount of the attribute information of the object which is to be displayed in accordance with the importance degree of the object; display layout generating section for generating a display layout for arranging the attribute information of the object in accordance with a result of the determination by the object determining section; and display section for displaying the attribute information of the object based on the display layout.
    • 根据本发明的用于检索和显示对象的属性信息的系统包括:检测部分,用于检测用户与系统之间的交互; 重要度确定部,用于基于由检测部检测到的交互来确定对象的重要度; 对象确定部分,用于根据对象的重要程度确定是否要显示对象的属性信息以及要显示的对象的属性信息的量; 显示布局生成部分,用于根据对象确定部分的确定结果生成用于布置对象的属性信息的显示布局; 以及显示部分,用于基于显示布局显示对象的属性信息。