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    • 31. 发明授权
    • Olefin polymerization method using a highly active catalyst having a
multidentate ligand
    • 使用具有多齿配体的高活性催化剂的烯烃聚合方法
    • US5817724A
    • 1998-10-06
    • US786657
    • 1997-01-21
    • Toshiya AokiTokitaka Kaneshima
    • Toshiya AokiTokitaka Kaneshima
    • C08F4/42C08F4/602C08F4/619C08F4/6192C08F4/64C08F4/659C08F4/6592C08F10/00C08F110/00C08F210/16
    • C08F10/00C08F210/16C08F2420/02C08F2420/05C08F4/6192C08F4/659C08F4/65912C08F4/6592
    • Disclosed is an olefin polymerization method using a highly active catalyst comprising a transition metal selected from metals of Groups IIIA including the lanthanide series, IVA, VA, VIA, VIIA and VIII of the Periodic Table of the Elements, and ligands L.sup.1 and L.sup.2 bonded thereto, wherein a combination of L.sup.1 and L.sup.2 is (1) a combination of ligand L.sup.1 which is a group containing at least one phosphorus-containing group and ligand L.sup.2 which is a ligand having a .sigma.-bond, or a ligand having a .sigma.-bond and a bond selected from at least one .pi.-bond and at least one lone electron pair donative bond; (2) a combination of ligand L.sup.1 which is a 5-membered heterocyclic pentadentate ligand having one or more heteroatoms and ligand L.sup.2 which is a ligand having a .sigma.-bond, or a ligand having a .sigma.-bond and a bond selected from at least one .pi.-bond and at least one lone electron pair donative bond, provided that when the pentadentate ligand contains only one heteroatom, L.sup.2 is a ligand having a .sigma.-bond, or a ligand having a .sigma.-bond and at least one lone electron pair donative bond; and (3) a combination of ligand L.sup.1 which is a trispyrazolyl tridentate ligand and ligand L.sup.2 which is an alkapolyenyl ligand, and wherein each L.sup.1 contains an element of Group VB or Group VIB. By the method of the present invention, a desired olefin polymer can be produced efficiently with a high productivity per unit by weight of the catalyst.
    • 公开了一种使用高活性催化剂的烯烃聚合方法,该催化剂包含选自元素周期表中的镧系,IVA,VA,VIA,VIIA和VIII族的IIIA族金属的过渡金属,以及与其结合的配位体L1和L2 其中L1和L2的组合是(1)配体L1,其是含有至少一个含磷基团的基团和具有σ键的配体的配体L2或具有σ型配体的配体 和选自至少一个π键和至少一个单电子对捐赠键的键; (2)配体L1,其是具有一个或多个杂原子的5元杂环五齿配体和具有σ键的配体的配体L2或具有σ-键的配体和至少选自至少 一个π键和至少一个单独的电子对供体键,条件是当五齿配体仅含有一个杂原子时,L2是具有σ-键的配体或具有σ-键和至少一个单电子对的配体 捐赠债券 和(3)作为三吡唑基三齿配体的配体L1和作为多聚烯基配体的配体L2的组合,并且其中每个L1包含VB族或VIB族元素。 通过本发明的方法,可以以每单位重量的催化剂高生产率有效地制备所需的烯烃聚合物。
    • 33. 发明授权
    • Method for stabilizing unstable terminals of an oxymethylene copolymer
    • 稳定甲醛共聚物不稳定末端的方法
    • US5811511A
    • 1998-09-22
    • US702569
    • 1996-08-07
    • Yukio TanigawaHirohisa Morishita
    • Yukio TanigawaHirohisa Morishita
    • B01J19/20B29C47/40B29C47/64C08G2/30C08G2/00
    • B29C47/402B01J19/20B29C47/38B29C47/605C08G2/30B29C47/0009
    • Disclosed is a method for stabilizing unstable terminals of a crude oxymethylene copolymer, wherein use is made of an extruder comprising a casing having a supply inlet and an extrusion outlet which casing has at least two rotation shafts extending longitudinally through the extruder in which a melting zone, a terminal stabilization reaction zone and a volatile matter exhaustion zone are consecutively arranged from the supply inlet toward the extrusion outlet, wherein the terminal stabilization zone has a plurality of kneading elements having a thickness of from 0.1D to 0.3D (wherein D represents the inner diameter of the casing of the extruder) arranged longitudinally on and securely attached to each rotation shaft in a region thereof having a length of from 2D to 15D (wherein D is as defined above), and wherein the molten crude oxymethylene copolymer is kneaded and agitated, in the presence of a basic substance capable of decomposing unstable terminals of the crude oxymethylene copolymer, in the terminal stabilization reaction zone of the extruder, thereby decomposing the unstable terminals of the crude oxymethylene copolymer. By the method of the present invention, the terminal stabilization reaction of a crude oxymethylene copolymer can be efficiently performed to a substantially complete degree in a short period of time.
    • PCT No.PCT / JP95 / 00530 Sec。 371日期:1996年8月7日 102(e)日期1996年8月7日PCT提交1995年3月22日PCT公布。 WO95 / 25761 PCT出版物 日期1995年9月28日公开是一种用于稳定粗甲醛共聚物不稳定末端的方法,其中使用由挤出机制成的挤出机,该挤出机包括具有供应入口和挤出出口的壳体,壳体具有至少两个沿着挤出机纵向延伸的旋转轴 其中熔融区,端稳定反应区和挥发性物质排出区从供应入口朝向挤出出口连续布置,其中末端稳定区具有多个捏合元件,其厚度为0.1D至0.3D (其中D表示挤出机的壳体的内径),其长度为2D至15D(其中D如上所定义)纵向排列并且牢固地附接到每个旋转轴上,其中熔融原油 在能够分解粗品的不稳定末端的碱性物质的存在下,将甲醛共聚物捏合并搅拌 甲醛共聚物,在挤出机的末端稳定化反应区中,从而分解粗制甲醛共聚物的不稳定末端。 通过本发明的方法,可以在短时间内有效地将粗甲醛共聚物的末端稳定化反应大致完全地进行。
    • 34. 发明授权
    • 2,3-dihydrobenzofuran derivatives
    • 2,3-二氢苯并呋喃衍生物
    • US5792791A
    • 1998-08-11
    • US672308
    • 1996-06-28
    • Yuji KogamiDaisuke Mochizuki
    • Yuji KogamiDaisuke Mochizuki
    • C07D307/81A61K31/34
    • C07D307/81
    • Disclosed are a 2,3-dihydrobenzofuran derivative represented by formula (1) or a salt thereof, a method for producing the same, and use thereof: ##STR1## wherein R.sup.1 represents a hydrogen atom or a lower alkyl group; n is an integer of from 2 to 6; A represents a carbonyl group or a sulfonyl group; R.sup.2 represents a hydrogen atom, a halogen atom, a lower alkyl group (which is unsubstituted or substituted with at least one halogen atom), a lower alkoxy group, a hydroxyl group, a nitro group or a cyano group; and * represents an asymmetric carbon atom. A 2,3-dihydrobenzofuran derivative of the present invention or a salt thereof has a strong affinity for a serotonin 1A receptor, and, therefore, is useful for prevention and treatment of serotonergic neuron-related diseases, such as anxiety, depression, high blood pressure, emeses (including emeses induced by motion sickness, space sickness and dizziness, etc.) and the like.
    • 公开了由式(1)表示的2,3-二氢苯并呋喃衍生物或其盐,其制备方法及其用途:其中R 1表示氢原子或低级烷基; n为2-6的整数; A表示羰基或磺酰基; R2表示氢原子,卤素原子,低级烷基(未取代或被至少一个卤素原子取代),低级烷氧基,羟基,硝基或氰基。 和*表示不对称碳原子。 本发明的2,3-二氢苯并呋喃衍生物或其盐对5-羟色胺1A受体具有强亲和力,因此可用于预防和治疗5-羟色胺能神经元相关疾病,如焦虑,抑郁,高血 压力,emeses(包括晕车引起的emeses,空间晕眩和头晕等)等。
    • 35. 发明授权
    • Hollow, resin mechanical part having a shaft integrally formed therewith
and an injection molding method for producing the same
    • 空心树脂机械部件具有与其一体形成的轴和其制造方法
    • US5773109A
    • 1998-06-30
    • US663185
    • 1996-06-13
    • Kimihiro KuboMasahiko SatoMasaaki Kondo
    • Kimihiro KuboMasahiko SatoMasaaki Kondo
    • B29C45/00B29C45/17B29C49/06
    • B29C45/1704B29C2045/1707Y10T428/139
    • Disclosed is a hollow, resin mechanical part having a shaft integrally formed therewith, comprising a hollow, integral, functional segment-shaft structure comprising at least one functional resin segment, and a resin shaft coaxially, integrally formed with the functional segment, wherein the integral segment-shaft structure satisfies the relationships defined by the following formula 0.9.ltoreq.L(b)/L(a).ltoreq.1, in which L(a) represents the entire length of the integral segment-shaft structure, and L(b) represents the length of the hollow. The mechanical part of the present invention has not only high dimensional precision and excellent material-recycling characteristics, but also can be produced with high productivity, and is very useful in various fields, such as automobiles, ordinary machinery, precision machinery and electric and electronic equipment. Also disclosed is a hollow injection molding method for efficiently producing this mechanical part, comprising injecting a molten resin into a mold cavity through the gate to form a molten resin mass, and introducing a hollow-forming fluid under pressure into the molten resin mass through the gate, wherein the gate is located in register with a position within a terminal region of the cavity which region has a length of 1/10 of the entire length of an integral segment-shaft structure to be produce. In this method, an auxiliary chamber communicated with the cavity is preferably used.
    • PCT No.PCT / JP94 / 02289 Sec。 371日期:1996年6月13日 102(e)日期1996年6月13日PCT 1994年12月28日PCT公布。 WO95 / 28275 PCT公开号 日期1995年10月26日公开是具有与其一体形成的轴的中空的树脂机械部件,包括中空的整体功能的段 - 轴结构,其包括至少一个功能性树脂段和同轴的树脂轴,与功能性 其中所述整体段 - 轴结构满足由以下公式0.9
    • 37. 发明授权
    • Information processing system and method applied to the development of
computer programs
    • 信息处理系统和方法应用于计算机程序的开发
    • US5761508A
    • 1998-06-02
    • US775625
    • 1997-01-02
    • Hirotomo Okuno
    • Hirotomo Okuno
    • G06F9/44G06F15/00
    • G06F8/30
    • An information processing system including a device (41) for generating a first table (33) indicating relationships between conditional items and operations, on the basis of identification symbols inserted into lists in a document, a device (42) for generating a second table (34) indicating relationships between variables in the list and external parameters, and a device (46) for generating source codes by sequentially picking up operations from the list on the basis of the first table, by using the second table. A program executing operations designated by the lists in the document is automatically generated by inputting the identification symbols.
    • 一种信息处理系统,包括:设备(41),用于基于插入到文档中的列表中的标识符号来生成指示条件项和操作之间的关系的第一表(33),用于生成第二表的设备(42) 34),其指示列表中的变量与外部参数之间的关系;以及用于通过使用第二表从基于第一表从列表中顺序地提取操作来生成源代码的设备(46)。 通过输入识别符号自动生成由文档中的列表指定的程序执行操作。
    • 38. 发明授权
    • Method for producing a stabilized oxymethylene copolymer
    • 稳定化甲醛共聚物的制造方法
    • US5688897A
    • 1997-11-18
    • US669541
    • 1996-07-10
    • Noritaka TanimuraYukio TanigawaSumio Komatsu
    • Noritaka TanimuraYukio TanigawaSumio Komatsu
    • C08F2/18C08G2/18C08G4/00C08G6/00
    • C08G2/18
    • The present invention provides a method for producing an oxymethylene copolymer, which comprises: copolymerizing trioxane and a cyclic ether and/or a cyclic formal in the presence of at least one selected from the group consisting of boron trifluoride, boron trifluoride hydrate, and a coordination compound of an organic compound having an oxygen or a sulphur atom with boron trifluoride, volatilizing the residual polymerization catalyst to decrease its amount, by heating the obtained oxymethylene copolymer in an atmosphere of inert gas at or below its melting point, and/or reducing the pressure, without conducting any operation of deactivating the residual polymerization catalyst before volatilizing the residual polymerization catalyst, and stabilizing terminal moities of the oxymethylene copolymer after deactivating residual catalyst or stabilizing terminal moieties of the oxymethylene copolymer directly. According to the present invention, an oxymethylene copolymer having excellent heat stability, which causes little smell of formaldehyde in melt molding, can be obtained by reducing the amount of residual polymerization catalyst in the oxymethylene copolymer.
    • PCT No.PCT / JP95 / 00579 Sec。 371日期:1996年7月10日 102(e)日期1996年7月10日PCT提交1995年3月28日PCT公布。 第WO95 / 27747号公报 日期:1995年10月19日本发明提供一种甲醛共聚物的制造方法,其包括:在选自三氟化硼,三氟化硼中的至少一种的存在下,使三恶烷与环醚和/或环状甲缩醛共聚 水合物和具有氧或硫原子的有机化合物与三氟化硼的配位化合物,通过在等于或低于其熔点的惰性气体气氛中加热得到的甲醛共聚物,挥发残余聚合催化剂以减少其量, 和/或降低压力,而不会在剩余聚合催化剂挥发之前进行残留聚合催化剂失活的任何操作,以及在使甲醛共聚物的残留催化剂或稳定末端部分直接失活后稳定甲醛共聚物的末端部分。 根据本发明,通过减少甲醛共聚物中的残留聚合催化剂的量,可以获得在熔融成型中几乎不产生甲醛气味的热稳定性优异的甲醛共聚物。
    • 39. 发明授权
    • Ammoxidation catalyst composition
    • 氨氧化催化剂组合物
    • US5663113A
    • 1997-09-02
    • US603003
    • 1996-02-16
    • Hideo MidorikawaKen Someya
    • Hideo MidorikawaKen Someya
    • B01J23/88B01J23/887C07B61/00C07C253/26C07C255/08B01J23/00
    • C07C253/26B01J23/8876Y02P20/52
    • Disclosed is an ammoxidation catalyst composition for use in producing acrylonitrile from propylene, or methacrylonitrile from isobutene or tert-butanol, by ammoxidation of the propylene or of the isobutene or tert-butanol, comprising an oxide catalyst composition represented by the formula:Mo.sub.12 (Bi.sub.1-a A.sub.a).sub.b Fe.sub.c Co.sub.d X.sub.e Y.sub.f O.sub.g,wherein A is at least one rare earth element, X is at least one element selected from the group consisting of nickel, magnesium, zinc and manganese, Y is at least one element selected from the group consisting of potassium, rubidium and cesium, a is a number of from 0.6 to 0.8, b is a number of from 0.5 to 2, c is a number of from 0.1 to 3, d is a number of from more than 0 to 10, e is a number of from 0 to 8, f is a number of from 0.01 to 2, and g is a number determined by the valence requirements of the other elements present. By use of the ammoxidation catalyst composition of the present invention, not only can acrylonitrile and methacrylonitrile be produced in high yield, but also the ammoxidation reaction can be stably conducted even when the operation of the production process is conducted for a prolonged period of time, so that a lowering of the yield of acrylonitrile or methacrylonitrile is very small.
    • 公开了一种用于通过丙烯或异丁烯或叔丁醇的氨氧化来由丙烯或异丁烯或叔丁醇制造丙烯腈的丙烯腈的氨氧化催化剂组合物,其包含由下式表示的氧化物催化剂组合物:Mo12(Bi1 -aAa)bFecCodXeYfOg,其中A是至少一种稀土元素,X是选自镍,镁,锌和锰中的至少一种元素,Y是选自钾,铷中的至少一种元素 和铯,a为0.6〜0.8的数,b为0.5〜2的数,c为0.1〜3的数,d为0〜10的数,e为 0至8,f为0.01至2的数,g为由其它元素的化合价要求确定的数。 通过使用本发明的氨氧化催化剂组合物,不仅可以高收率地制造丙烯腈和甲基丙烯腈,而且即使长时间进行生产过程的操作,也可以稳定地进行氨氧化反应, 使得丙烯腈或甲基丙烯腈的产率降低非常小。
    • 40. 发明授权
    • Monitoring method of renal lesions without clinical signs
    • 肾脏病变监测方法无临床症状
    • US5662604A
    • 1997-09-02
    • US495635
    • 1995-09-19
    • Etsuro OgataKiyoshi KurokawaShunya UchidaAkiko Kishida
    • Etsuro OgataKiyoshi KurokawaShunya UchidaAkiko Kishida
    • C12Q1/34A61K38/00
    • C12Q1/34G01N2333/924
    • A screening method for detecting renal lesions in diabetic patients not yet exhibiting symptoms of nephropathy, comprising administering a predetermined dose of parathyroid hormone, analogue thereof or derivative thereof to the patients with an albumin excretion rate (AER) of microalbumin being below 15 .mu.g/min., measuring urinary excreted N-acetyl-.beta.-D-glucosaminidase (NAG) and urinary creatinine in urinary samples taken 60.+-.10 minutes before and after administration of PTH, and monitoring the increased ratio of urinary excreted NAG (U/g Cr) in post-administration of PTH to the urinary excreted NAG (U/g Cr) in pre-administration of PTH for a value less than 2.3. The screening method provides the possibility of detecting renal lesions without clinical signs of diabetic nephropathy, using a preparation essentially consisting of active ingredient of PTH.
    • PCT No.PCT / JP93 / 00178 Sec。 371 1995年9月19日第 102(e)1995年9月19日PCT 1993年2月12日提交PCT未检测出肾病症状的糖尿病患者的肾脏损害检测方法,其特征在于,向患者施用预定量的甲状旁腺激素,其类似物或其衍生物 微量白蛋白的白蛋白排泄率(AER)低于15μg/ min,在尿样中测量尿排泄的N-乙酰基-β-D-氨基葡萄糖苷酶(NAG)和尿肌酐,在前后60±10分钟内摄取 给予PTH,并监测在PTH给药前尿中排泄的NAG(U / g Cr)与PTH前期尿液排泄的NAG(U / g Cr)的比例增加,小于2.3。 筛选方法提供了检测肾病变的可能性,没有糖尿病肾病的临床体征,使用基本上由PTH活性成分组成的制剂。