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    • 1. 发明专利
    • CALCIUM CARBONATE-BASED FLUORESCENT MATERIAL AND METHOD FOR PRODUCING THE SAME
    • JP2001279241A
    • 2001-10-10
    • JP2000092704
    • 2000-03-30
    • YASUE TAKASHIYOSHIZAWA LIME INDUSTRY
    • YASUE TAKASHIOKAMURA YOSHIHIROMATSUNAGA HITOSHI
    • C09K11/65C09K11/08
    • PROBLEM TO BE SOLVED: To obtain a new calcium carbonate-based fluorescent material capable of being supplied at an extremely low cost, to provide a red- or blue-emitting fluorescent composition containing the material as a light-emitting component, and to provide a method for producing the fluorescent material. SOLUTION: This method for producing calcium carbonate-based fluorescent material comprises adding carbonate ion to a mixed aqueous solution of a water-soluble calcium compound and a trivalent europium compound, precipitating a gelatinous substance consisting mainly of calcium carbonate, then stirring the solution in which the formed gel suspends so as to accelerate crystallization of the calcium carbonate. Thus, crystal of Eu3+-activated red-emitting calcium carbonate consisting mainly of a vaterite structure is obtained. The obtained fluorescent material emits a red light, when irradiated with the black light, i.e., the near ultraviolet rays. Crystal or Eu2+-activated blue- emitting calcium carbonate in which a calcite structure is added to the vaterite structure is obtained by subjecting the above material to heat treatment. The heat-treated fluorescent material emits a blue light. The variously shaped fluorescent compositions are obtained by adding the above fluorescent materials to various materials, such as coating materials, concrete and plastics.
    • 2. 发明专利
    • Highly reactive quick lime and its manufacturing method
    • 高反应快速及其制造方法
    • JP2006021945A
    • 2006-01-26
    • JP2004200879
    • 2004-07-07
    • Yoshizawa Lime Industry吉澤石灰工業株式会社
    • MATSUNAGA HITOSHIAKASHI HIDEKOKAMEYAMA ISAMUTAKEDA SHUHEI
    • C04B2/10B01D53/28B01D53/40C01F11/04
    • PROBLEM TO BE SOLVED: To provide a method of obtaining a quick lime exerting higher reactivity and higroscopicity than already known highly reactive quick lime by a process of manufacturing a quick lime by sintering a slaked lime. SOLUTION: In this method, to satisfy the value of a process function F=(B/30)(T×t/P), wherein B is BET specific surface area of feed slaked lime, T is temperature of sintering, t is sintering time, and P is pressure of the atmosphere, becomes 1-90, sintering is carried out under the reaction condition selected within the range of B is not smaller than 10 m 2 /g, T is 573-1,073 K, t is 0.5-10 hr, and P is 1-10×10 2 Pa. Thus, a highly reactive quick lime having a BET specific surface area of not smaller than 30 m 2 /g, a total pore volume of not less than 1.0×10 -4 dm 3 /g, a weight loss by severe heating of not greater than 10 wt%, and an average particle diameter of not smaller than 5 μm can be obtained. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供通过烧结熟石灰生产生石灰的方法,获得比已知高反应性生石灰更高的反应活性和更高的活化性的方法。 解决方案:在该方法中,为了满足加工功能F =(B / 30)(T×t / P)的值,其中B为进料消石灰的BET比表面积,T为烧结温度, t是烧结时间,P是气氛的压力,变为1-90,在B范围内选择的反应条件下进行烧结不小于10m 2 / SP / g,T 为573-1,073K,t为0.5-10小时,P为1-10×10 2 Pa。 因此,具有BET比表面积不小于30m 2 SP / g的高反应性生石灰,总孔体积不小于1.0×10 -4 SP& dm 3 / g,通过严重加热的重量损失不大于10wt%,平均粒径不小于5μm。 版权所有(C)2006,JPO&NCIPI
    • 4. 发明专利
    • Grinding method
    • 研磨方法
    • JP2005177638A
    • 2005-07-07
    • JP2003423408
    • 2003-12-19
    • Yoshizawa Lime Industry吉澤石灰工業株式会社
    • MATSUNAGA HITOSHIMOMIYAMA KENICHIAIKO HIDEO
    • B02C17/00
    • PROBLEM TO BE SOLVED: To provide a grinding method which enables a remarkable reduction in adhesion even if a material which is easy to adhere to a grinding device, for example, quicklime, is ground, consequently does not drop grinding efficiency and easily gives desired particle sizes.
      SOLUTION: A waste toner of 0.1-10 weight parts is added to a grinding object material of 100 weight parts, and the resultant mixture is ground. A graphite component in the waste toner acts as a lubricant or peeling agent to prevent the powder from adhering to a container or the surface of a grinding vehicle. Consequently, the grinding efficiency does not drop, and powder of desired particle size is easily obtained.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种研磨方法,即使容易粘附到研磨装置(例如生石灰)的材料被研磨,也能够显着降低粘合力,因此不会降低研磨效率并且容易 给出期望的粒度。 解决方案:将0.1-10重量份的废调色剂加入到100重量份的研磨物料中,并将所得混合物研磨。 废调色剂中的石墨组分用作润滑剂或剥离剂,以防止粉末粘附到容器或研磨车辆的表面。 因此,研磨效率不下降,容易获得所需粒径的粉末。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Calcium carbonate fluorescent material and method for producing the same
    • 碳酸钙荧光体材料及其制造方法
    • JP2003342565A
    • 2003-12-03
    • JP2002155170
    • 2002-05-29
    • Takashi YasueYoshizawa Lime Industry吉澤石灰工業株式会社任 安江
    • YASUE TAKASHIKOJIMA YOSHIYUKIKAWASHIMA TAKESHIMATSUNAGA HITOSHI
    • C01F11/18C09K11/08C09K11/65
    • PROBLEM TO BE SOLVED: To provide a new calcium carbonate-based fluorescent material producible at an extremely low cost, a green fluorescent composition containing the fluorescent material as a luminescent component and a method for producing the fluorescent material.
      SOLUTION: The fluorescent material is produced by adding carbonate ion to a mixed aqueous solution of a water-soluble calcium compound, magnesium compound, cerium compound and terbium compound to precipitate a gelatinous substance composed mainly of calcium carbonate and heating and aging the suspension liquid of the gelatinous substance to proceed the crystallization of calcium carbonate and obtain a calcite-structure crystal of calcium carbonate doped with (Ce
      3+ +Tb
      3+ ) and containing Mg
      2+ as a solid solution. The crystal has high thermal stability and emits green light under a black light, i.e., the irradiation with near ultraviolet rays. Fluorescent compositions having various forms can be produced by adding the fluorescent material to coating materials, concrete, plastics, etc.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了提供以极低成本生产的新的碳酸钙基荧光材料,包含荧光材料作为发光成分的绿色荧光组合物和荧光材料的制造方法。 解决方案:通过向水溶性钙化合物,镁化合物,铈化合物和铽化合物的混合水溶液中加入碳酸根离子以沉淀主要由碳酸钙组成的凝胶状物质并加热和老化而制备荧光材料 凝胶状物质的悬浮液进行碳酸钙的结晶,得到掺杂有(Ce 3+ + SP 3+ Tb 3+ + SP)的碳酸钙的方解石结构晶体,并含有 Mg 2 + 作为固溶体。 该晶体具有高的热稳定性,并且在黑光下即近紫外线照射下发出绿光。 具有各种形式的荧光组合物可以通过将荧光材料添加到涂料,混凝土,塑料等中来制备。版权所有(C)2004,JPO
    • 6. 发明专利
    • Molded product for humidity conditioning and its manufacturing method
    • 用于湿度调节的模制产品及其制造方法
    • JP2006219346A
    • 2006-08-24
    • JP2005034914
    • 2005-02-10
    • Kyoei Sangyo KkYoshizawa Lime Industry協栄産業株式会社吉澤石灰工業株式会社
    • ITO HIROYASUMATSUNAGA HITOSHITAKEDA SHUHEIBUNRYO SHINOBUKANEKO MAMORU
    • C04B28/12B01D53/28B01J20/20C04B14/04C04B14/10C04B14/36C04B18/16E04B1/64
    • Y02W30/95
    • PROBLEM TO BE SOLVED: To provide a molded product for humidity conditioning at a low cost which improves a conventional molded product for humidity conditioning that is used in applications such as for preventing dew formation in a closet or on a tatami mat by arranging it under the floor of a house, which has high hygroscopic and dehumidifying performance, and which is provided with collapse resistance high enough to keep the shape even after repeatedly demonstrating humidity conditioning functions. SOLUTION: The molded product for humidity conditioning is obtained by blending, as humidity conditioning material components, 50-70 pts.wt. of tobermorite powder, 5-15 pts.wt. of a carbonaceous material powder such as a bamboo charcoal powder, and 0-15 pts.wt. of halloysite powder, and, as a binder, 15-25 pts.wt. of a combination of bentonite and a slaked lime, and molding the resultant mixture to an article having a suitable size and shape. It is preferable to mold them into a nearly spherical shape having a diameter of 7-13 mm by a roll-molding. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种低成本的用于调湿的成型产品,其改进用于湿度调节的常规模制产品,其用于例如通过布置布置在衣柜或榻榻米中的防止结露的应用中 它在房子的地板下,具有高吸湿和除湿性能,并且具有足够高的抗倒塌能力,以便在反复显示湿度调节功能之后保持其形状。

      解决方案:用于调湿的成型产品通过将作为调湿材料成分的50-70重量份 的雪宝石粉,5-15重量份 的碳质材料粉末如竹炭粉末和0-15重量份 的多水高岭土粉末,作为粘合剂,15-25重量份 的膨润土和熟石灰的组合,并将所得混合物模制成具有合适尺寸和形状的制品。 优选通过辊压成型将其成型为直径为7-13mm的近似球形。 版权所有(C)2006,JPO&NCIPI