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    • 1. 发明申请
    • Metal oxide particle and its uses
    • 金属氧化物颗粒及其用途
    • US20070154561A1
    • 2007-07-05
    • US10588526
    • 2005-02-17
    • Mitsuo TakedaRyuji AizawaYumiko MoriTomoyuki Kuwamoto
    • Mitsuo TakedaRyuji AizawaYumiko MoriTomoyuki Kuwamoto
    • A61K9/14A01N25/00
    • A61K8/19A61K8/25A61K8/26A61K8/27A61K8/29A61Q17/04B82Y30/00C01F17/0043C01G9/02C01G15/00C01G23/053C01P2002/52C01P2002/84C01P2004/64C01P2006/60C01P2006/66
    • An object of the present invention is to provide a metal oxide particle which exercises more excellent ultraviolet absorbency as a matter of course and combines therewith merits of, for example, either being shifted in ultraviolet absorption edge toward the longer wavelength side and being excellent also in the absorption efficiency of a long-wavelength range of ultraviolet rays, or having good transparency and, for example, even in cases where added into or coated onto substrates, not damaging the transparency or hue of the substrates. As a means of achieving this object, a metal oxide particle according to the present invention is a metal oxide particle such that a hetero-element is contained in a particle comprising an oxide of a specific metal element (M), wherein the metal oxide particle is: 1) a metal oxide particle in the form of a fine particle wherein the hetero-element is at least one specific metal element (M′); 2) a metal oxide particle wherein the hetero-element includes at least two specific metal elements (M′); 3) a metal oxide particle wherein: the hetero-element is a more specified metal element (M′) and at least a part thereof is 2 in valence; or the metal element (M) is a more specified metal element and the metal oxide particle is in a specific range in crystal grain diameter in the vertical direction to each of the (002) plane and the (100) plane; or 4) a metal oxide particle wherein: the hetero-element is at least one specific nonmetal element and an acyl group is contained in the particle; or the hetero-element includes at least two specific nonmetal elements; or the hetero-element is at least one specific nonmetal element and a component derived from a metal element (M′) other than the metal element (M) is contained in the particle.
    • 本发明的目的在于提供一种金属氧化物粒子,其当然也可以进行更优异的紫外线吸收性的组合,其特征在于,例如在紫外线吸收边缘向长波长侧偏移, 紫外线的长波长范围的吸收效率,或具有良好透明性的吸收效率,例如甚至在添加到基材上或涂布在基材上的情况下,也不损害基板的透明度或色调。 作为实现该目的的手段,根据本发明的金属氧化物粒子是金属氧化物粒子,使得在包含特定金属元素(M)的氧化物的粒子中含有异质元素,其中金属氧化物粒子 是:1)微细颗粒形式的金属氧化物颗粒,其中异质元素是至少一种特定金属元素(M'); 2)金属氧化物颗粒,其中异质元素包括至少两种特定金属元素(M'); 3)一种金属氧化物颗粒,其中:所述异质元素是更加规定的金属元素(M'),并且其至少一部分的价态为2; 或金属元素(M)是更加规定的金属元素,并且金属氧化物粒子在与(002)面和(100)面中的每一个的垂直方向上的晶粒直径的特定范围内; 或4)金属氧化物颗粒,其中:所述异质元素是至少一种特定的非金属元素,并且所述颗粒中包含酰基; 或者异质元素包括至少两种特定的非金属元素; 或异质元素是至少一种特定的非金属元素,并且衍生自金属元素(M')以外的金属元素(M')的成分被包含在颗粒中。
    • 2. 发明授权
    • Method for production of water-soluble conducting polyaniline
    • 生产水溶性导电聚苯胺的方法
    • US06194540B1
    • 2001-02-27
    • US09420621
    • 1999-10-19
    • Shoji ItoKazuhiko MurataRyuji AizawaYoshinobu Asako
    • Shoji ItoKazuhiko MurataRyuji AizawaYoshinobu Asako
    • C08G7300
    • H01B1/128C08G73/0266
    • The sulfonation of a polyaniline or a derivative thereof by the use of a sulfonating agent, characterized by dispersing the polyaniline or the derivative thereof in a reaction solvent thereby inhibiting the formation of lumps of grains due to substantial aggregation. Preferably, the solvent for the reaction is an organic solvent incapable of reacting with the sulfonating agent. The initial stirring power for the reaction of sulfonation is preferred to be not less than 0.03 kW/m3 and the polyaniline or the derivative thereof is preferred to have a water content of not more than 8 wt. %. Further, this invention is characterized by subjecting a polyaniline having introduced a sulfonic acid group therein or a derivative thereof to hydrolysis in a mixed solution of water with a hydrophilic organic solvent. The hydrophilic organic solvent is preferred to be an alcohol. The aqueous solution of the water-soluble conducting polyaniline obtained by the method of production mentioned above can be made to form a thin film by a simple technique such as spin coat, dip coat, or bar coat and utilized for various antistatic applications and non-linear optical materials.
    • 通过使用磺化剂磺化聚苯胺或其衍生物,其特征在于将聚苯胺或其衍生物分散在反应溶剂中,从而抑制由于大量聚集而形成的晶粒块状。 优选地,用于反应的溶剂是不能与磺化剂反应的有机溶剂。 磺化反应的初始搅拌功率优选为0.03kW / m 3以上,优选聚苯胺或其衍生物的含水量为8重量%以下。 %。 此外,本发明的特征在于将其中引入了磺酸基的聚苯胺或其衍生物在水与亲水性有机溶剂的混合溶液中进行水解。 亲水性有机溶剂优选为醇。 通过上述制造方法获得的水溶性导电聚苯胺的水溶液可以通过简单的技术如旋涂,浸涂或棒涂层形成薄膜,并用于各种抗静电应用和非 - 线性光学材料。
    • 8. 发明授权
    • Ophthalmic lenses having progressively variable refracting power
    • 具有逐渐变化的屈光力的眼科镜片
    • US5000559A
    • 1991-03-19
    • US313892
    • 1989-02-23
    • Fumio TakahashiYasunori UenoRyuji Aizawa
    • Fumio TakahashiYasunori UenoRyuji Aizawa
    • G02C7/02
    • G02C7/063G02C7/061
    • Ophthalmic lenses having progressively variable refracting power are designed to have good aberrational balance, a wide field of view, large clear vision areas, and minimal image distortion and shift. Aberration density is reduced in a progressively variable refracting power area in a side portion of the principal meridional curve from a lower position in a portion for distance vision correction, through an intermediate portion, to a portion for near vision correction. Optical cross-sectional and longitudinally sectional shapes of the refracting surfaces optimize aberration balance in the entire area of the refracting surfaces. In the side areas, an average refracting power on the lens surface and a value associated with the Gaussian curvature are used as parameters to define lens aberration quantitatively.
    • 具有逐渐变化的屈光力的眼镜被设计为具有良好的像差平衡,宽视场,大的清晰视野区域和最小的图像失真和偏移。 在主子午线曲线的侧部中的逐渐变化的折射光焦度区域中,通过中间部分,通过中间部分到用于近视矫正的部分,从远处视力矫正部分的下部位置减小畸变密度。 折射表面的光学横截面和纵向截面形状优化折射表面的整个区域中的像差平衡。 在侧面区域中,使用透镜表面上的平均折射力和与高斯曲率相关联的值作为定量地定义透镜像差的参数。