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    • 71. 发明申请
    • ZEOLITE COMPOSITIONS AND METHODS FOR TAILORING ZEOLITE CRYSTAL HABITS WITH GROWTH MODIFIERS
    • 沸石组合物和使用生长改性剂调配沸石晶体的方法
    • US20120202006A1
    • 2012-08-09
    • US13366206
    • 2012-02-03
    • Jeffrey D. Rimer
    • Jeffrey D. Rimer
    • B32B3/10C30B7/14
    • C01B39/40C01B37/02C01B37/08C01B39/265C01B39/32C01B39/445C01B39/54Y10T428/24273
    • Embodiments of the invention generally provide compositions of crystalline zeolite materials with tailored crystal habits and the methods for forming such crystalline zeolite materials. The methods for forming the crystalline zeolite materials include binding one or more zeolite growth modifiers (ZGMs) to the surface of a zeolite crystal, which results in the modification of crystal growth rates along different crystallographic directions, leading to the formation of zeolites having a tailored crystal habit. The improved properties enabled by the tailored crystal habit include a minimized crystal thickness, a shortened internal diffusion pathlength, and a greater step density as compared to a zeolite having the native crystal habit prepared by traditional processes. The tailored crystal habit provides the crystalline zeolite materials with an aspect ratio of about 4 or greater and crystal surfaces having a step density of about 25 steps/μm2 or greater.
    • 本发明的实施方案通常提供具有定制的晶体习惯的结晶沸石材料的组合物和形成这种结晶沸石材料的方法。 形成结晶沸石材料的方法包括将一种或多种沸石生长改性剂(ZGM)结合到沸石晶体的表面,这导致沿着不同的晶体方向改变晶体生长速率,导致形成具有定制的沸石 水晶习惯 与通过传统方法制备的具有天然结晶习性的沸石相比,通过定制的晶体习性实现的改进的性质包括最小化的晶体厚度,缩短的内部扩散路径长度和更大的阶梯密度。 定制的晶体习性提供了具有约4或更大的纵横比的结晶沸石材料和具有约25步/μm2或更大的阶梯密度的晶体表面。
    • 72. 发明申请
    • Method For Fabricating Of ZnO Particle And Method For Fabricating Of ZnO Rod
    • ZnO颗粒的制造方法和ZnO棒的制造方法
    • US20110247548A1
    • 2011-10-13
    • US13085072
    • 2011-04-12
    • Gun-Young JUNGKi-Seok KIM
    • Gun-Young JUNGKi-Seok KIM
    • C30B7/14C30B19/00
    • C30B29/605C30B7/04C30B29/16
    • Disclosed herein are a method for preparing zinc oxide (ZnO) nanoparticles and a method for preparing ZnO nanorods. The method for preparing ZnO nanoparticles may include: preparing a growth solution containing a zinc salt, a precipitator, and a growth inhibitor; and applying heat to the growth solution to prepare ZnO nanoparticles. Moreover, the method for preparing ZnO nanorods may include: forming a ZnO seed layer on a substrate; forming a pattern layer including a plurality of holes on the ZnO seed layer; preparing a growth solution containing a zinc salt, a precipitator, and a growth inhibitor; and immersing the substrate including the pattern layer in the growth solution such that ZnO nanorods are grown in the holes.
    • 本文公开了一种制备氧化锌(ZnO)纳米颗粒的方法和一种制备ZnO纳米棒的方法。 制备ZnO纳米颗粒的方法可包括:制备含锌盐,沉淀剂和生长抑制剂的生长溶液; 并向生长溶液施加热量以制备ZnO纳米颗粒。 此外,制备ZnO纳米棒的方法可以包括:在衬底上形成ZnO种子层; 在所述ZnO种子层上形成包括多个孔的图案层; 制备含有锌盐,沉淀剂和生长抑制剂的生长溶液; 将含有图案层的基板浸渍在生长溶液中,使ZnO纳米棒在孔中生长。
    • 73. 发明授权
    • Antisolvent crystallization in porous hollow fiber devices and methods of use thereof
    • 多孔中空纤维装置中的抗溶剂结晶及其使用方法
    • US07811381B2
    • 2010-10-12
    • US11811557
    • 2007-06-11
    • Kamalesh K. SirkarDimitrios Zarkadas
    • Kamalesh K. SirkarDimitrios Zarkadas
    • C30B7/14
    • C13K1/10B01D63/02B01D69/082B01D2323/225
    • Antisolvent crystallization systems and methods are provided that employ porous hollow fiber membranes. The porous hollow fiber membrane includes a plurality of porous hollow fibers positioned within a shell, each porous hollow fiber defining a lumen side and shell side. A crystallizing solution is introduced to one side of the hollow fibers and an antisolvent is introduced to the other side of the fibers, in either cocurrent or countercurrent flow. One of the antisolvent and the crystallizing solution permeates in part through the porous hollow fiber membrane to the other side and crystals are formed thereby. Permeation of the antisolvent or the crystallizing solution establishes advantageous radial mixing that facilitates crystal formation of a desired size distribution. Downstream mixing, e.g., a completely stirred tank or a static mixer, may be employed to further improve crystallization operations.
    • 提供了使用多孔中空纤维膜的抗溶剂结晶体系和方法。 多孔中空纤维膜包括位于壳内的多个多孔中空纤维,每个多孔中空纤维限定内腔侧和外壳侧。 将结晶溶液引入中空纤维的一侧,并将反溶剂以并流或逆流流入纤维的另一侧。 反溶剂和结晶溶液中的一种通过多孔中空纤维膜渗透到另一侧,由此形成晶体。 反溶剂或结晶溶液的渗透产生有利的径向混合,其有利于所需尺寸分布的晶体形成。 可以使用下游混合,例如完全搅拌的罐或静态混合器,以进一步改善结晶操作。
    • 77. 发明授权
    • System for polymer crystallization
    • 聚合物结晶体系
    • US5454344A
    • 1995-10-03
    • US340594
    • 1994-11-16
    • Ilya PikusGreg J. KimballMasayuki Inoue
    • Ilya PikusGreg J. KimballMasayuki Inoue
    • B29B13/02B01F7/00B01F15/06B01J19/18B29B13/06C08G63/80C30B7/14
    • B01J19/18B01F15/068B29B13/065B29B7/44B29B7/82C08G63/80B01F7/0045B01J2219/00085B01J2219/00155B01J2219/00166B01J2219/00182B01J2219/182B29K2067/00Y10T117/1016Y10T117/1024
    • A system for crystallization of polymers involving the use of a stationary housing with a rotor mounted for rotation within the housing. The rotor supports a plurality of spaced apart hollow discs and heated fluid is delivered to the interior of the discs. The polymer material to be treated is fed into the housing for heat exchange contact with the exterior surfaces of the discs. The rotation of the discs in addition serves as the propelling force for the material along the length of the housing at which point the material is discharged. The speed of rotation of the rotor is controlled to influence agitation and conveying of material in the housing to thereby control the crystallization reaction. A holdup mechanism which operates independently of the speed control is located adjacent the discharge location to contribute to the fixing of the residence time. The material inlet operation, discharge operation and residence control are such that the ratio of crystallized to uncrystallized material is maintained within desired limits, typically at about 4 to 1. The method and apparatus provides various other operating parameters and structural features which maximize the efficiency of the crystallization reaction.
    • 一种用于结晶聚合物的系统,涉及使用具有安装在壳体内旋转的转子的固定壳体。 转子支撑多个间隔开的中空盘,并且加热的流体被输送到盘的内部。 要处理的聚合物材料被供给到壳体中以与盘的外表面进行热交换接触。 此外,盘的旋转作为沿着壳体的长度的材料的推进力,在该点材料被排出。 控制转子的旋转速度以影响壳体中材料的搅拌和输送,从而控制结晶反应。 独立于速度控制运行的保持机构位于排放位置附近以有助于固定停留时间。 材料入口操作,排放操作和停留控制使得结晶化与未结晶材料的比例保持在期望的限度内,通常为约4:1。该方法和设备提供了各种其它操作参数和结构特征,其使效率最大化 结晶反应。