中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

9 records (took 0.028 seconds)

    ENCODING METHODS USING UP-CONVERTING PHOSPHORS FOR HIGH-THROUGHPUT SCREENING OF CATALYSTS
    1.
    发明申请
    ENCODING METHODS USING UP-CONVERTING PHOSPHORS FOR HIGH-THROUGHPUT SCREENING OF CATALYSTS 审中-公开
    使用UP转换磷酸盐进行高通量催化剂筛选的编码方法

    公开(公告)号：WO0204527A3

    公开(公告)日：2003-05-01

    申请号：PCT/US0121784

    申请日：2001-07-11

    Applicant: STANFORD RES INST INT

    Inventor： WILSON ROBERT B JR ,  TAGGE CHRISTOPHER D ,  MUFTI NAHEED

    IPC: B01J19/00 ,  C07B61/00 ,  C08F2/00 ,  C08F4/64 ,  C08F4/70 ,  C08F10/00 ,  C40B20/04 ,  C40B30/08 ,  C40B30/10 ,  C40B40/16 ,  C40B40/18 ,  C40B60/10 ,  C40B60/12 ,  C40B70/00 ,  G01N21/63 ,  G01N33/53 ,  G01N33/543

    CPC classification number: C08F10/00 ,  B01J19/0046 ,  B01J2219/005 ,  B01J2219/00576 ,  B01J2219/00596 ,  B01J2219/00702 ,  B01J2219/00736 ,  B01J2219/00747 ,  C40B20/04 ,  C40B30/08 ,  C40B30/10 ,  C40B40/16 ,  C40B40/18 ,  C40B60/10 ,  C40B60/12 ,  C40B70/00 ,  C08F4/00

    Abstract: This invention relates to encoding methods using up-converting phosphors for high-throughput screening of catalysts. In particular, the invention relates to polymerization catalysts. In one embodiment of the invention, a monomer is combined with at least one labeled catalyst particle. The labeled catalyst particle comprises an up-converting phosphor label and a catalyst. The up-converting phosphor label identifies a particular catalyst. The monomer is polymerized to form a polymer bead surrounding the labeled catalyst particle. According to the invention, it is possible to combine two or more labeled catalyst particles in a commercially relevant large scale reactor to obtain direct comparison of different catalysts, and to avoid reactor effects that may occur when performed on the microscale. After the reaction, the resulting polymer beads are sorted, based on their size and/or phosphor labels. The polymer beads may also be further characterized to determine various physical and chemical properties of the resultant polymer.

    Abstract translation: 本发明涉及使用上转换磷光体进行催化剂高通量筛选的编码方法。 特别地，本发明涉及聚合催化剂。 在本发明的一个实施方案中，单体与至少一种标记的催化剂颗粒结合。 标记的催化剂颗粒包含上转换荧光标记物和催化剂。 上变换磷光体标签识别特定的催化剂。 聚合单体以形成围绕标记的催化剂颗粒的聚合物珠粒。 根据本发明，可以在商业上相关的大规模反应器中组合两种或更多种标记的催化剂颗粒，以获得不同催化剂的直接比较，并且避免当在微量级上进行时可能发生的反应器效应。 反应后，根据其大小和/或荧光体标记物分选所得聚合物珠粒。 还可以进一步表征聚合物珠，以确定所得聚合物的各种物理和化学性质。

    HYDROLYTICALLY DEGRADABLE OLEFIN COPOLYMERS
    3.
    发明申请
    HYDROLYTICALLY DEGRADABLE OLEFIN COPOLYMERS 审中-公开
    水解可降解的烯烃共聚物

    公开(公告)号：WO0123448A9

    公开(公告)日：2002-09-26

    申请号：PCT/US0026853

    申请日：2000-09-29

    Applicant: STANFORD RES INST INT

    Inventor： WILSON ROBERT B JR ,  JONASDOTTIR SIGRIDUR

    IPC: C08F4/602 ,  C08F4/64 ,  C08F4/645 ,  C08F4/6592 ,  C08F210/00 ,  C08F210/02

    CPC classification number: C08F210/02 ,  Y10S526/943

    Abstract: Hydrolytically degradable olefin copolymers, such as ethylene copolymers, contain a hydrolyzable component in the backbone that allows the copolymer to be broken down into dispersable fragments upon exposure to aqueous conditions. The copolymers are prepared by transition metal-catalyzed polymerization.

    Abstract translation: 水解可降解的烯烃共聚物，例如乙烯共聚物，在主链中含有可水解的组分，允许共聚物在暴露于水性条件下分解成可分散的片段。 通过过渡金属催化聚合制备共聚物。

    OLEFIN COPOLYMERS CONTAINING HYDROLYTICALLY CLEAVABLE LINKAGES AND USE THEREOF IN DEGRADABLE PRODUCTS
    6.
    发明专利
    OLEFIN COPOLYMERS CONTAINING HYDROLYTICALLY CLEAVABLE LINKAGES AND USE THEREOF IN DEGRADABLE PRODUCTS 未知

    公开(公告)号：AU2003299975A1

    公开(公告)日：2004-10-11

    申请号：AU2003299975

    申请日：2003-12-24

    Applicant: STANFORD RES INST INT

    Inventor： WILSON ROBERT B JR ,  JONASDOTTIR SIGRIDUR

    IPC: C08F4/659 ,  C08F4/6592 ,  C08F8/12 ,  C08F210/02 ,  C08L3/04 ,  C08L21/00 ,  C08L23/04 ,  C08L23/08 ,  C08L101/00

    Abstract: The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or aqueous acid. Generally, the hydrolyzable monomer units represent a significant fraction of the copolymer, such that upon hydrolysis, a substantial portion of the copolymer is degraded into low molecular weight fragments. Also provided are degradable articles that are at least partially composed of a degradable copolymer in which hydrolyzable monomer units represent at least 20 mole % of the copolymer. These degradable articles include agricultural film products, adhesive tape substrates, bed linens, containers, disposable absorbent articles, packaging materials, bags, labels, pillow cases, protective clothing, surgical drapes, sponges, tampon applicators, disposable syringes, temporary enclosures and temporary siding, toys, wipes, foamed plastic products, and controlled release pellets, strips and tabs.

    METALLOCENE CATALYSTS AND PREPARATION AND USE
    7.
    发明专利
    METALLOCENE CATALYSTS AND PREPARATION AND USE 未知

    公开(公告)号：CA2306986A1

    公开(公告)日：1999-04-29

    申请号：CA2306986

    申请日：1998-10-16

    Applicant: STANFORD RES INST INT

    Inventor： WILSON ROBERT B JR

    IPC: C07F7/08 ,  C07F7/10 ,  C07F7/28 ,  C07F17/00 ,  C08F4/64 ,  C08F4/642 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F110/02

    Abstract: Novel metallocene compounds are provided which are useful as polymerization catalysts, particularly in the polymerization of addition polymerizable monomers such as olefinic or vinyl monomers. Preferred polymer compositions prepared using the novel catalysts are bimodal or multimodal in nature, typically having a bimodal or multimodal molecular weight distribution. The metallocenes are binuclear or multinuclear, and contain two or more chemically distinct active sites. Methods for synthesizing the novel catalysts are also provided, as are methods for using the novel compounds as homogeneous or heterogeneous polymerization catalysts.

    CATALYSTS FOR THE HYDRODENITROGENATION OF ORGANIC MATERIALS
    9.
    发明专利
    CATALYSTS FOR THE HYDRODENITROGENATION OF ORGANIC MATERIALS 未知

    公开(公告)号：CA1298828C

    公开(公告)日：1992-04-14

    申请号：CA545231

    申请日：1987-08-25

    Applicant: STANFORD RES INST INT

    Inventor： LAINE RICHARD M ,  HIRSCHON ALBERT S ,  WILSON ROBERT B JR

    IPC: B01J27/047 ,  B01J23/85 ,  B01J27/051 ,  B01J37/20 ,  C10G45/08 ,  B01J23/89

    Abstract: CATALYSTS FOR THE HYDRODENITROGENATION OF ORGANIC MATERIALS The present invention discloses a process for forming a catalyst for the hydrodenitrogenation of an organic feedstock, which includes (a) obtaining a precatalyst comprising cobalt and molybdenum or nickel and molybdenum; (b) adding in a non-oxidizing an atmosphere selected from hydrogen, helium, nitrogen, neon, argon, carbon monoxide or mixtures thereof to the precatalyst of step (a), a transition metal moiety selected from compounds of iridium, rhodium, iron, ruthenium, tungsten or mixtures thereof for a time and at a temperature effective to chemically combine the components: and (c) heating the chemically combined catalyst of step (b) optionally in vacuum to remove residual volatile organic materials. Preferably, a precatalyst of cobalt/molybdenum or alumina is heated between 100.degree. and 500.degree.C in a hydrogen atmosphere with an organometallic moiety of ruthenium, preferably ruthenium carbonyl. The invention further includes the catalysts obtained and the process of hydrodenitrogenation of organic feedstocks including a crude petroleum residue, a petroleum fraction, an oil shale fraction, a tar sands fraction, a coal derived powder, a coal derived liquid or mixtures thereof: The process reduces the amount of hydrogen usually needed to obtain hydrodenitrogenation and more selectively produces aromatic product than saturated organic product.

Patent Agency Ranking