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50 条记录 (耗时 0.03 秒)

    Polymer-coated support and its use as sand pack in enhanced oil recovery
    41.
    发明授权
    Polymer-coated support and its use as sand pack in enhanced oil recovery 失效
    聚合物涂层载体及其作为砂包在增强采油中的应用

    公开(公告)号：US4969522A

    公开(公告)日：1990-11-13

    申请号：US288334

    申请日：1988-12-21

    申请人： Darrell D. Whitehurst ,  Margaret M. Wu

    发明人： Darrell D. Whitehurst ,  Margaret M. Wu

    IPC分类号： C09K8/565 ,  C09K8/575

    CPC分类号： C09K8/5756 ,  C09K8/565 ,  Y10T428/2998

    摘要： A non-friable support, e.g., sand, coated with a polymer is prepared by contacting the support containing a polymerization catalyst with a monomer which is at least one multi-functional olefin, e.g., a diene, under monomer polymerization conditions. The product of the polymerization process is a highly cross-linked coating which engulfs the support, thereby rendering it hydrolytically and thermally stable. The support can be used as a sand pack in enhanced oil recovery operations, wherein it is resistant to deterioration due to high temperature, pressure and alkaline conditions existing in the subterranean formations.

    摘要翻译： 通过在单体聚合条件下使包含聚合催化剂的载体与至少一种多官能烯烃（例如二烯）的单体接触来制备涂覆有聚合物的非易碎载体，例如砂。 聚合过程的产物是一种高度交联的涂层，其吸收载体，从而使其具有水解和热稳定性。 该支撑体可以用作强化采油操作中的砂堆，其中耐地层中存在高温，高压和碱性条件的劣化。

    Production of oxygenated compounds
    42.
    发明授权
    Production of oxygenated compounds 失效
    生产含氧化合物

    公开(公告)号：US4487972A

    公开(公告)日：1984-12-11

    申请号：US142788

    申请日：1980-04-22

    申请人： Werner O. Haag ,  Darrell D. Whitehurst

    发明人： Werner O. Haag ,  Darrell D. Whitehurst

    IPC分类号： B01J31/08 ,  B01J31/10 ,  B01J31/16 ,  B01J31/18 ,  B01J31/24 ,  C07C5/08 ,  C07C41/01 ,  C07C45/50 ,  C07C51/083 ,  C07C51/58 ,  C07C29/16

    CPC分类号： B01J31/1658 ,  B01J31/08 ,  B01J31/10 ,  B01J31/1805 ,  B01J31/2404 ,  C07C45/50 ,  C07C5/08 ,  C07C51/083 ,  C07C51/58 ,  B01J2231/321 ,  B01J2531/822 ,  C07C2531/08

    摘要： This specification discloses a process for the production of oxygenated compounds, more specifically aldehydes and alcohols, by reacting an olefin with hydrogen and carbon monoxide in the presence of, as a ctalyst, an insoluble polymer containing a functional group, which may be an amine, thiol, phosphine, or arsine group, having chemically bonded thereto a metal of Group VIII of the Periodic Table. The metal can be, for example, rhodium, cobalt, or ruthenium. The olefin can contain more than one carbon-to-carbon double bond, may be an open chain or a cyclic olefin, and may be substituted. Further, the olefin may be contained in a refinery stream such as a cracked gasoline. The reaction may be carried out in the presence of a polar solvent.

    摘要翻译： 本说明书公开了一种通过使烯烃与氢气和一氧化碳作为催化剂存在下含有官能团的不溶性聚合物（其可以是胺）的方法来生产含氧化合物，更具体地说是醛和醇， 硫醇，膦或胂基，化学键合元素周期表第VIII族金属。 金属可以是例如铑，钴或钌。 烯烃可以含有多于一个碳 - 碳双键，可以是开链或环烯烃，并且可以被取代。 此外，烯烃可以包含在炼油厂流中，例如裂化汽油。 该反应可以在极性溶剂的存在下进行。

    Method for producing graphite crystals
    43.
    发明授权
    Method for producing graphite crystals 失效
    生产石墨晶体的方法

    公开(公告)号：US4404177A

    公开(公告)日：1983-09-13

    申请号：US320235

    申请日：1981-11-12

    申请人： Francis J. Derbyshire ,  Darrell D. Whitehurst

    发明人： Francis J. Derbyshire ,  Darrell D. Whitehurst

    IPC分类号： C01B31/04 ,  C04B35/52 ,  C23C16/26 ,  C30B1/00

    CPC分类号： C30B1/00 ,  C01B31/04 ,  C04B35/52 ,  C23C16/26 ,  C30B29/02

    摘要： A process for continuously or semi-continuously producing and collecting highly oriented graphite crystals by diffusing carbon atoms through a heated Group VIII metal artifact such that they precipitate as graphite on a surface of the artifact. Diffusion of carbon atoms through the artifact is driven by maintaining a temperature differential across the artifact.

    摘要翻译： 通过将碳原子扩散通过加热的VIII族金属假象连续或半连续地生产和收集高取向的石墨晶体的方法，使得它们在人造物的表面上沉淀成石墨。 碳原子通过伪影的扩散是通过维持该假象之间的温差来驱动的。

    Method for the generation of recycle solvents in coal liquefaction
    47.
    发明授权
    Method for the generation of recycle solvents in coal liquefaction 失效
    在煤液化中产生回收溶剂的方法

    公开(公告)号：US4334977A

    公开(公告)日：1982-06-15

    申请号：US225283

    申请日：1981-01-15

    申请人： Francis J. Derbyshire ,  Philip Varghese ,  Darrell D. Whitehurst

    发明人： Francis J. Derbyshire ,  Philip Varghese ,  Darrell D. Whitehurst

    IPC分类号： C10G1/06 ,  C10G1/00 ,  C10G1/04

    CPC分类号： C10G1/006 ,  C10G1/042 ,  Y10S208/952

    摘要： A method is described to improve a coal liquefaction process by the use of a recycle solvent comprised of two fractions: the first, a lower boiling fraction, is obtained by an atmospheric distillation and is subsequently hydrotreated to enrich its hydrogen donor capacity; the second is a higher boiling fraction that is enriched in desirable hydrogen transfer agents by a solvent extraction process. The combined recycle solvent thus obtained is more efficient in transferring gas phase H.sub.2 to the coal and enables other significant process improvements.

    摘要翻译： 描述了一种通过使用由两个馏分组成的循环溶剂来改善煤液化过程的方法：首先通过常压蒸馏获得较低沸点馏分，随后加氢处理以富集其供氢能力; 第二个是通过溶剂萃取方法富集需要的氢转移剂的较高沸点馏分。 由此获得的组合的再循环溶剂在将气相H 2转移到煤中更有效，并且能够进行其它显着的工艺改进。

    Synthetic amorphous silica paraffin hydrogenation-dehydrogenation
    48.
    发明授权
    Synthetic amorphous silica paraffin hydrogenation-dehydrogenation 失效
    合成无定形二氧化硅石蜡氢化脱氢

    公开(公告)号：US4174356A

    公开(公告)日：1979-11-13

    申请号：US876813

    申请日：1978-02-10

    申请人： Thomas O. Mitchell ,  Darrell D. Whitehurst

    发明人： Thomas O. Mitchell ,  Darrell D. Whitehurst

    IPC分类号： B01J21/08 ,  B01J37/08 ,  C07C5/03 ,  C08G77/06 ,  C08G77/38 ,  C10G11/04 ,  C10G45/04 ,  C07C5/36

    CPC分类号： C10G45/04 ,  B01J21/08 ,  B01J37/082 ,  C07C5/03 ,  C08G77/06 ,  C08G77/38 ,  C07C2531/06

    摘要： Hydrogenation-dehydrogenation of suitable feedstock is provided wherein such feedstock is subjected to hydrogenation-dehydrogenation conditions in the presence of a catalytic amount of a solid containing, at least in part, a synthetic amorphous solid prepared by hydrolyzing and polymerizing in the presence of water a silane having the formula R(Si)X.sub.3, wherein R is a nonhydrolyzable organic group, X is a hydrolyzable group and (Si) is selected from the group consisting of ##STR1## and calcining the polymerized product, said silane being admixed with a second compound, R'.sub.n MY.sub.m, wherein R' is selected from the group consisting of the same groups as R, Y is selected from the group consisting of the same groups as X and oxygen, M is at least one member selected from the group consisting of the elements of Groups IIIA, IVA, VA, IVB, VB, VIB, VIIB and VIII of the Periodic Table, m is any number greater than 0 and up to 8 and n is from 0 to any number less than 8.

    摘要翻译： 提供合适的原料的氢化 - 脱氢，其中这样的原料在催化量的固体存在下进行氢化 - 脱氢条件，所述固体至少部分地由在水存在下水解和聚合制备的合成非晶态固体 具有式R（Si）X3的硅烷，其中R是不可水解的有机基团，X是可水解基团，（Si）选自和煅烧聚合产物，所述硅烷与第二 化合物R'nMYm，其中R'选自与R相同的基团，Y选自与X和氧相同的基团，M是选自由以下组成的组中的至少一个： 元素周期表IIIA，IVA，VA，IVB，VB，VIB，VIIB和VIII族的元素，m是大于0和至多8的任何数，n是0至小于8的任何数。