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    • 1. 发明授权
    • Implied index correlation and dispersion
    • 隐含指数相关和色散
    • US07788166B2
    • 2010-08-31
    • US11438285
    • 2006-05-23
    • Axel VischerSarah Reib
    • Axel VischerSarah Reib
    • G06Q40/00
    • G06Q40/04G06Q40/025G06Q40/06
    • A data processing apparatus and method are provided for calculating an implied correlation and/or dispersion of an index that has a plurality of constituents. Data is received which describes properties of the index and properties of at least some of its constituents. An implied variance of the index and an implied variance of each of the at least some constituents are determined based on the received data. The implied correlation and/or dispersion of the index are calculated using the determined implied variances. A variance calculation scheme may be used which does not require the calculation of a volatility. Further, a model-free algorithm may be used to determine the implied valiances. Furthermore, an implied volatility of the index and an implied volatility for constituents may be determined from the implied variances.
    • 提供了一种用于计算具有多个成分的索引的隐含相关性和/或色散的数据处理装置和方法。 接收描述其至少一些成分的指数和性质的属性的数据。 基于接收的数据确定索引的隐含方差和每个至少一些组成部分的隐含方差。 使用确定的隐含方差计算指数的隐含相关性和/或分散性。 可以使用不需要计算波动率的方差计算方案。 此外,可以使用无模型算法来确定隐含的权值。 此外,指数的隐含波动率和三方成员的隐含波动率可以从隐含的差异确定。
    • 3. 发明申请
    • Implied index correlation and dispersion
    • 隐含指数相关和色散
    • US20070282758A1
    • 2007-12-06
    • US11438285
    • 2006-05-23
    • Axel VischerSarah Reib
    • Axel VischerSarah Reib
    • G06Q40/00
    • G06Q40/04G06Q40/025G06Q40/06
    • A data processing apparatus and method are provided for calculating an implied correlation and/or dispersion of an index that has a plurality of constituents. Data is received which describes properties of the index and properties of at least some of its constituents. An implied variance of the index and an implied variance of each of the at least some constituents are determined based on the received data. The implied correlation and/or dispersion of the index are calculated using the determined implied variances. A variance calculation scheme may be used which does not require the calculation of a volatility. Further, a model-free algorithm may be used to determine the implied valiances. Furthermore, an implied volatility of the index and an implied volatility for constituents may be determined from the implied variances.
    • 提供了一种用于计算具有多个成分的索引的隐含相关性和/或色散的数据处理装置和方法。 接收描述其至少一些成分的指数和性质的属性的数据。 基于接收的数据确定索引的隐含方差和每个至少一些组成部分的隐含方差。 使用确定的隐含方差计算指数的隐含相关性和/或分散性。 可以使用不需要计算波动率的方差计算方案。 此外,可以使用无模型算法来确定隐含的权值。 此外,指数的隐含波动率和成分的隐含波动率可以从隐含的方差来确定。
    • 4. 发明授权
    • Process for producing foam fiber
    • 生产泡沫纤维的方法
    • US5124098A
    • 1992-06-23
    • US665680
    • 1990-03-07
    • Axel Vischer
    • Axel Vischer
    • C08J9/06D01D5/247D01F1/08D01F6/62D01F6/92
    • D01D5/247D01F1/08D01F6/62
    • There is described a process for producing polyester foam fiber where sodium carbonate and citric acid are added as blowing agent before spinning together with polycarbonate. The proportion of blowing agent is from 0.15 to 0.80 percent by weight of the polyester and the proportion of polycarbonate is from 0.5 to 2 percent by weight of the polyester. The process of the invention makes it possible to produce foam fiber, i.e. filament or staple fiber with discontinuous voids, which may be used for example as carpet fiber and filling fiber for blankets and cushions or as a lining material for winter clothing.
    • 描述了在与聚碳酸酯一起纺丝之前加入碳酸钠和柠檬酸作为发泡剂的聚酯泡沫纤维的生产方法。 发泡剂的比例为聚酯的0.15〜0.80重量%,聚碳酸酯的比例为聚酯的0.5〜2重量%。 本发明的方法使得可以生产泡沫纤维,即具有不连续空隙的细丝或短纤维,其可以用作例如毯子纤维和用于毯子和垫子的填充纤维或用作冬季服装的衬里材料。
    • 5. 发明授权
    • Process for the production of polymers having reactive end groups
    • 用于生产具有反应性端基的聚合物的方法
    • US4611037A
    • 1986-09-09
    • US762948
    • 1985-08-06
    • Rudiger MuschOskar NuykenStephen D. PaskAxel VischerMichael Walter
    • Rudiger MuschOskar NuykenStephen D. PaskAxel VischerMichael Walter
    • C08F4/00C08F2/04C08F2/06C08F2/38C08F4/06C08F8/24C08F10/00C08F16/00C08F16/12
    • C08F110/10
    • An improved process for the production of polymers having halogen end groups from cationically polymerizable monomers, the monomer being polymerized in an inert solvent at a temperature of from +10.degree. to -130.degree. C. using a catalyst system consisting of a metal halide and an organic halide, compounds corresponding to the following general formula being used as organic halides: ##STR1## wherein X represents a halogen atom;R.sub.1, R.sub.2, R.sub.3, represent C.sub.5 -C.sub.10 cycloalkyl, or a C.sub.1 -C.sub.20 straight- or branched-chain alkyl or ##STR2## wherein R.sub.4 and R.sub.5 represent C.sub.5 -C.sub.10 -cycloalkyl or a C.sub.1 -C.sub.20 straight- or branched-chain alkyl;and the organic halide has at least 5 carbon atoms and at most 50 carbon atoms and is in a concentration of from 10.sup.-1 to 10.sup.-6 mols per mol of monomer, while BX.sub.3, SnX.sub.4, TiX.sub.4, SbX.sub.5 or FeX.sub.3, wherein X is fluorine, chlorine, bromine or iodine, is used as metal halide in from 2 to 500 times molar excess, based on the organic halide.
    • 一种用于生产具有来自阳离子可聚合单体的卤素端基的聚合物的改进方法,所述单体在惰性溶剂中在+ 10℃至-130℃的温度下聚合,使用由金属卤化物和 有机卤化物,对应于以下通式的化合物用作有机卤化物:其中X表示卤素原子; R1,R2,R3代表C5-C10环烷基或C1-C20直链或支链烷基或者其中R4和R5代表C5-C10-环烷基或C1-C20直链或支链烷基 ; 并且有机卤化物具有至少5个碳原子和至多50个碳原子,并且每摩尔单体的浓度为10-1至10-6摩尔,而BX3,SnX4,TiX4,SbX5或FeX3,其中X为 氟,氯,溴或碘作为金属卤化物,以有机卤化物计,其摩尔过量为2至500倍。
    • 7. 发明授权
    • Process of treating a tow of melt-spun filaments
    • 处理熔纺纤维丝束的方法
    • US5679300A
    • 1997-10-21
    • US657804
    • 1996-05-31
    • Jurgen LorenzAxel Vischer
    • Jurgen LorenzAxel Vischer
    • D06B1/02D02G1/12D06C7/00D06C7/02D01D5/12
    • D02G1/12Y10T428/29Y10T428/2909
    • A method for treating a tow of melt-spun filaments to produce a tow of uniformly crimped filaments having a high initial modulus by heat-setting and stuffer box crimping includes the steps of heat-setting the tow, spraying the hot-heat-set tow with an aqueous fiber finish to effect shocklike cooling of the tow, passing the sprayed tow to a pair of squeeze rolls in whose nip it is kneaded through using a defined nip pressure and squeezed off to a fiber finish pickup of 0.7 to 7% by weight of the tow weight, heating the squeezed-off moist tow on a heated multiroll arrangement in such a way that it leaves the multiroll arrangement with a moisture content of 0.5 to 5% by weight of the tow weight and a temperature of 40.degree. to 100.degree. C., feeding the tow with this moisture content and this temperature to a crimping machine and crimping it.
    • 一种用于处理熔纺丝的丝束以通过热定形和填塞箱卷曲产生具有高初始模量的均匀卷曲长丝的丝束的方法包括以下步骤:将丝束热定型,喷射热热凝固丝束 具有水性纤维整理剂以实现丝束的冲击式冷却,将喷射的丝束通过使用限定的辊隙压力捏合的一对挤压辊,并挤压至0.7至7重量%的纤维终点拾取 的拖曳重量,加热挤压的湿拖曳在加热的多辊装置上,使得其离开多辊装置,水分含量为丝束重量的0.5至5重量%,温度为40至100℃ 将该水分含量和该温度的丝束供给到压接机并压接。
    • 8. 发明授权
    • Tow of melt-spun filaments
    • 熔纺丝
    • US5804303A
    • 1998-09-08
    • US826270
    • 1997-03-27
    • Jurgen LorenzAxel Vischer
    • Jurgen LorenzAxel Vischer
    • D06B1/02D02G1/12D06C7/00D06C7/02D02G3/00
    • D02G1/12Y10T428/29Y10T428/2909
    • A tow of melt spun filaments and a method for treating such filaments to produce a tow of uniformly crimped filaments having a high initial modulus by heat setting and stuffer box crimping includes the steps of heat-setting the tow, spraying the hot-heat-set tow with an aqueous fiber finish to effect shocklike cooling of the tow, passing the sprayed tow to a pair of squeeze rolls in whose nip it is kneaded through using a defined nip pressure and squeezed off to a fiber finish pickup of 0.7 to 7% by weight of the tow weight, heating the squeezed-off moist tow on a heated multiroll arrangement in such a way that it leaves the multiroll arrangement with a moisture content of 0.5 to 5% by weight of the tow weight and a temperature of 40.degree. to 1000.degree. C., feeding the tow with this moisture content and this temperature to a crimping machine and crimping it.
    • 一丝熔融纺丝长丝和一种用于处理这种长丝以通过热定形和填塞箱卷曲产生具有高初始模量的均匀卷曲长丝的丝束的方法包括热定型丝束的步骤,喷涂热定型 用水性纤维整理剂牵引以实现丝束的冲击式冷却,将喷射的丝束通过使用限定的辊隙压力捏合的一对挤压辊,并将其挤压至0.7至7%的纤维终点拾取,通过 将丝束重量的重量加热到加热的多辊装置上,使得其以多重卷轴布置的方式加热挤出的湿丝,其含水量为丝束重量的0.5至5重量%,温度为40℃至 将该水分含量的丝束和该温度送入压接机并压接。