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    • 1. 发明授权
    • Sulfur compound and use thereof
    • 硫化合物及其用途
    • US06570025B1
    • 2003-05-27
    • US10048002
    • 2002-01-25
    • Kenichi FujiiAtsuo OtsujiMasao ImaiKenichi SugimotoTadashi OkumaRihoko SuzukiKeisuke Takuma
    • Kenichi FujiiAtsuo OtsujiMasao ImaiKenichi SugimotoTadashi OkumaRihoko SuzukiKeisuke Takuma
    • C07D33906
    • C07D339/06C07D339/00C07D339/08C08F20/38
    • This invention provides sulfur-containing (meth)acrylic ester compounds each of which is represented by the following formula (1); wherein R1 and R2 each independently represent a hydrogen atom or an alkyl group or may be fused together to form a ring, R3 represents a hydrogen atom or a methyl group, X1 represents an oxygen atom or a sulfur atom, m stands for an integer of from 0 to 3, and n stands for an integer of from 1 to 4, polymerizable compositions comprising the sulfur-containing (meth)acrylic acids, and cured products and optical parts obtained by polymerizing the polymerizable compositions. The sulfur-containing (meth)acrylic ester compounds according to the present invention are very useful, as monomers for photocurable, polymerizable compositions, in applications such as optical materials and dental materials. The optical parts obtained by curing the polymerizable compositions are excellent in optical properties, thermal properties and mechanical properties and are also good in productivity.
    • 本发明提供了各自由下式(1)表示的含硫(甲基)丙烯酸酯化合物,其中R 1和R 2各自独立地表示氢原子或烷基,或者可以一起稠合形成环,R 3 表示氢原子或甲基,X1表示氧原子或硫原子,m表示0〜3的整数,n表示1〜4的整数,包含含硫( 甲基)丙烯酸,以及通过聚合可聚合组合物获得的固化产物和光学部件。 作为本发明的含硫(甲基)丙烯酸酯化合物,作为光固化性聚合性组合物的单体,在光学材料和牙科用材料等应用中是非常有用的。 通过固化可聚合组合物获得的光学部件的光学性能,热性能和机械性能优异,并且生产率也良好。
    • 4. 发明授权
    • Quinoline derivative and use of same
    • 喹啉衍生物和使用相同
    • US06407242B1
    • 2002-06-18
    • US09643249
    • 2000-08-22
    • Tadashi OkumaHideki IkutaTatsuya NagayoshiAkira OgisoHisato Ito
    • Tadashi OkumaHideki IkutaTatsuya NagayoshiAkira OgisoHisato Ito
    • C07D40106
    • C07D401/06C09B23/04C09B57/04C09B57/10C09K11/06H05B33/14
    • Quinoline compound, zinc halogenide complex and zinc complex suited for use in an electro-luminescence (EL) element, a fluorescent material and an ultraviolet absorption material, and a preparation process for these compounds are described. These compounds and a tautomer of the same has a strong luminescent intensity and is used for an EL material, the compound of zinc halogenide complex and zinc complex and a tautomer of the same has absorption at a wave length of 400 nm or less and is used for an ultraviolet absorption material, and further the quinoline compound and a tautomer has a strong luminescent intensity and is used for a fluorescent material. The zinc halogenide complex and zinc complex can be prepared by related preparation processes directly from a quinoline derivative and a phthalimide derivative, or by way of the quinoline compound which is obtained from these derivatives.
    • 描述适用于电致发光(EL)元件,荧光材料和紫外线吸收材料的喹啉化合物,卤化锌络合物和锌络合物以及这些化合物的制备方法。 这些化合物及其互变异构体具有强烈的发光强度,并且用于EL材料,卤化锌络合物和锌络合物的化合物及其互变异构体在400nm或更小的波长处具有吸收,并且被使用 对于紫外线吸收材料,此外,喹啉化合物和互变异构体具有强的发光强度并用于荧光材料。 卤化锌络合物和锌络合物可以通过直接来自喹啉衍生物和邻苯二甲酰亚胺衍生物的相关制备方法或通过由这些衍生物获得的喹啉化合物制备。