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109 条记录 (耗时 0.035 秒)

    Compositions containing polycarbonate
    93.
    发明授权
    Compositions containing polycarbonate 有权
    含有聚碳酸酯的组合物

    公开(公告)号：US06713181B2

    公开(公告)日：2004-03-30

    申请号：US10356948

    申请日：2003-02-03

    申请人： Rüdiger Gorny ,  Siegfried Anders ,  Wolfgang Nising ,  Wolfgang Ebert

    发明人： Rüdiger Gorny ,  Siegfried Anders ,  Wolfgang Nising ,  Wolfgang Ebert

    IPC分类号： B32B2736

    CPC分类号： C08K5/34 ,  C08K5/101 ,  C08L67/00 ,  C08L69/00 ,  Y10T428/31504 ,  Y10T428/31507

    摘要： A thermoplastic molding composition is disclosed. The composition that contains a polymer selected from the group consisting of a polycarbonate, a transparent polycarbonate-polyester-blend, a copolyestercarbonate and a transparent polyester and a compound of formula (I) and one or more compounds of formula (II) wherein a is 1 to 17, b is 0 to 16, c is 6 to 14, d is 3 to 7, e is 6 to 14, f is 3 to 7, g is 5 to 40 and a+b is 9 to 25 and n is 1 to 10, was found to be especially suitable for co-extrusion applications.

    摘要翻译： 公开了一种热塑性模塑组合物。 含有选自聚碳酸酯，透明聚碳酸酯 - 聚酯共混物，共聚酯碳酸酯和透明聚酯以及式（I）化合物和一种或多种式（II）化合物的聚合物的组合物，其中a为 1〜17，b为0〜16，c为6〜14，d为3〜7，e为6〜14，f为3〜7，g为5〜40，a + b为9〜25，n为 被发现特别适用于共挤出应用。

    Iron(III) complexes as contrast agents for image enhancement in magnetic resonance imaging
    96.
    发明授权
    Iron(III) complexes as contrast agents for image enhancement in magnetic resonance imaging 失效
    铁（III）配合物作为磁共振成像中图像增强的造影剂

    公开(公告)号：US06294152B1

    公开(公告)日：2001-09-25

    申请号：US09227961

    申请日：1999-01-11

    申请人： Julian A. Davies ,  Wolfgang Ebert ,  Bernd Raduechel ,  Heribert Schmitt-Willich

    发明人： Julian A. Davies ,  Wolfgang Ebert ,  Bernd Raduechel ,  Heribert Schmitt-Willich

    IPC分类号： A61B5055

    CPC分类号： A61K49/101

    摘要： A compound of formula (I): wherein, R1 is independently selected from methyl and ethyl and R2 is independently selected from hydrogen, alkyl, and substituted alkyl. The compound is capable of functioning as a ligand and complexing with paramagnetic Fe(III) ion for use as a second-sphere contrast enhancing agent for magnetic resonance imaging of tissue. The present invention also relates to a method of administering the second sphere contrast agent.

    摘要翻译： 式（I）化合物：其中，R 1独立地选自甲基和乙基，R 2独立地选自氢，烷基和取代的烷基。 该化合物能够作为配体并与顺磁性Fe（III）离子络合，用作组织磁共振成像的第二球对比增强剂。 本发明还涉及施用第二球形造影剂的方法。

    Polycarbonate composition resistant to gamma radiation
    97.
    发明授权
    Polycarbonate composition resistant to gamma radiation 有权
    耐γ辐射的聚碳酸酯组合物

    公开(公告)号：US06197854B1

    公开(公告)日：2001-03-06

    申请号：US09541570

    申请日：2000-04-03

    申请人： Sivaram Krishnan ,  Wolfgang Ebert

    发明人： Sivaram Krishnan ,  Wolfgang Ebert

    IPC分类号： C08K545

    CPC分类号： C08K5/15 ,  C08K5/46 ,  C08L69/00

    摘要： A thermoplastic polycarbonate molding composition having improved resistance to gamma radiation-induced yellowing is disclosed. Particularly suitable for the manufacture of devices targeted for medical applications, the composition contains additive amounts of a first stabilizing compound conforming structurally to wherein in the embodiment where n is 1, R1 is an unsubstituted or substituted carbocyclic or heterocyclic aromatic ring system, and where in the embodiment where n is 2, R1 is unsubstituted or C1-4-alkyl or hydroxy substituted phenylene or naphthylene, and R2, R3, R4 and R5 independently of one another are hydrogen, C1-25-alkyl groups or phenyl. and a saccharine compound.

    摘要翻译： 公开了具有改进的抗γ辐射诱导黄变性的热塑性聚碳酸酯模塑组合物。 该组合物特别适用于制造医疗用途的装置，该组合物含有添加量的结构上符合结构的第一稳定化合物，其中n为1的实施方案中，R 1为未取代或取代的碳环或杂环芳环体系， 其中n为2，R 1为未取代的或C 1-4 - 烷基或羟基取代的亚苯基或亚萘基，R 2，R 3，R 4和R 5彼此独立地为氢，C 1-5 - 烷基或苯基，以及糖精化合物。

    Process for the preparation of oligocarbonates
    98.
    发明授权
    Process for the preparation of oligocarbonates 失效
    寡聚碳酸酯的制备方法

    公开(公告)号：US06160156A

    公开(公告)日：2000-12-12

    申请号：US458802

    申请日：1999-12-10

    申请人： Claus-Peter Reisinger ,  Wolfgang Ebert

    发明人： Claus-Peter Reisinger ,  Wolfgang Ebert

    IPC分类号： B01J31/30 ,  C07B61/00 ,  C07C68/00 ,  C07C68/08 ,  C07C69/96

    CPC分类号： C07C68/005 ,  C07C69/96

    摘要： The invention relates to a process for the preparation of aromatic oligocarbonates from dihydroxy compounds, CO and O.sub.2 in the presence of a platinum metal catalyst, a cocatalyst, a quaternary salt and a base, which is carried out in an inert organic solvent which, under the reaction conditions, forms an azeotrope with water, and this azeotrope is removed from the reaction mixture.

    摘要翻译： 本发明涉及一种在铂金属催化剂，助催化剂，季盐和碱的存在下由二羟基化合物CO和O 2制备芳族低聚碳酸酯的方法，其在惰性有机溶剂中进行， 反应条件与水形成共沸物，并将该共沸物从反应混合物中除去。

    Cascade polymer complexes, process for their production and pharmaceutical agents containing said complexes
    100.
    发明授权
    Cascade polymer complexes, process for their production and pharmaceutical agents containing said complexes 失效
    级联聚合物复合物，其制备方法和含有所述复合物的药剂

    公开(公告)号：US5874061A

    公开(公告)日：1999-02-23

    申请号：US777666

    申请日：1996-12-20

    申请人： Heribert Schmitt-Willich ,  Johannes Platzek ,  Bernd Raduchel ,  Hanns-Joachim Weinmann ,  Wolfgang Ebert ,  Bernd Misselwitz ,  Andreas Muhler ,  Thomas Frenzel

    发明人： Heribert Schmitt-Willich ,  Johannes Platzek ,  Bernd Raduchel ,  Hanns-Joachim Weinmann ,  Wolfgang Ebert ,  Bernd Misselwitz ,  Andreas Muhler ,  Thomas Frenzel

    IPC分类号： A61K49/04 ,  A61K49/08 ,  A61B5/055 ,  C07D225/00 ,  C07F5/00 ,  C08F283/00

    CPC分类号： A61K49/124 ,  A61K49/04 ,  A61K51/065

    摘要： Cascade polymer complexes that containa) complexing ligands of general formula IA--{X--�Y--(Z--(W--K.sub.w).sub.z).sub.y!.sub.x }.sub.a, (I) in whichA stands for a nitrogen-containing cascade nucleus of base multiplicity a,X and Y, independently of one another, stand for a direct bond or a cascade reproduction unit of reproduction multiplicity x or y,Z and W, independently of one another, stand for a cascade reproduction unit of reproduction multiplicity z or w,K stands for the radical of a complexing agent, a stands for numbers 2 to 12, x, y, z and w, independently of one another, stand for numbers 1 to 4, provided that at least two reproduction units are different, that 16.ltoreq.a.multidot.x.multidot.y.multidot.z.multidot.w.ltoreq.64 holds true for the product of the multiplicities, and that at least one of cascade reproduction units X, Y, Z, W stands for a 1,4,7,10-tetraazacyclododecane or 1,4,8,11-tetraazacyclotetradecane reproduction unit,b) at least 16 ions of an element of atomic numbers 20 to 29, 39, 42, 44 or 57-83,c) optionally cations of inorganic and/or organic bases, amino acids or amino acid amides as well asd) optionally acylated terminal amino groups are valuable compounds for diagnosis and therapy.

    摘要翻译： 含有a）通式IA- {X- [Y-（Z-（W-Kw）z）y] x} a，（I）的络合配体的级联聚合物络合物，其中A代表含氮级联核 基本多重性a，X和Y彼此独立地代表再现多重性x或y，Z和W的直接键合或级联再现单元，彼此独立地代表再现倍数z的级联再现单位 或w，K表示络合剂的基团，代表数字2至12，x，y，z和w彼此独立地代表数字1至4，条件是至少两个再现单位不同 ，多重性的乘积为16，并且级联再现单位X，Y，Z，W中的至少一个代表1,4,7,10-四氮杂环十二烷或1 ，4,8,11-四氮杂环十四烷再生单元，b）原子序数为20至29,39,42,44或57-83的元素的至少16个离子，c）任选的Inor阳离子 甘氨酸和/或有机碱，氨基酸或氨基酸酰胺以及d）任选地酰化的末端氨基是用于诊断和治疗的有价值的化合物。