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    • 4. 发明专利
    • Complex sulfide powder and manufacturing method thereof, compound semiconductor, and solar cell
    • 复合硫化物粉末及其制造方法,化合物半导体和太阳能电池
    • JP2012230953A
    • 2012-11-22
    • JP2011096903
    • 2011-04-25
    • Tanaka Chemical Corp株式会社田中化学研究所
    • SHIBUYA HIDEKADOMAE KYOSUKEUSUI TAKESHIKOSHIBA NOBUHARU
    • H01L31/04
    • Y02E10/50
    • PROBLEM TO BE SOLVED: To provide a complex sulfide powder useful as a manufacturing intermediate of a compound semiconductor containing Cu, Zn, Sn and S which is excellent in uniformity, and a manufacturing method thereof; a compound semiconductor obtained using the above complex sulfide powder; and a solar cell comprising the above compound semiconductor.SOLUTION: Provided are: a complex sulfide powder containing a copper atom, a zinc atom, a tin atom and a sulfur atom and being characterized in that, in powder x-ray diffraction measurement, the peak top of a peak showing the maximum strength is observed in the range of 26.5 to 30.5° and the half-width of the above peak is in the range of 1 to 3°, and a manufacturing method thereof; a compound semiconductor obtained using the above complex sulfide powder; and a solar cell comprising the above compound semiconductor.
    • 要解决的问题:提供一种复合硫化物粉末及其制造方法,所述复合硫化物粉末可用作均匀性优异的含有Cu,Zn,Sn和S的化合物半导体的制造中间体。 使用上述复合硫化物粉末获得的化合物半导体; 以及包含上述化合物半导体的太阳能电池。 解决方案:提供:含有铜原子,锌原子,锡原子和硫原子的复合硫化物粉末,其特征在于,在粉末X射线衍射测定中,表示峰 在26.5〜30.5°的范围内观察到最大强度,上述峰的半值宽度在1〜3°的范围内,其制造方法。 使用上述复合硫化物粉末获得的化合物半导体; 以及包含上述化合物半导体的太阳能电池。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Nickel oxide and production method of the same
    • 镍氧化物及其生产方法
    • JP2009298647A
    • 2009-12-24
    • JP2008154957
    • 2008-06-13
    • Tanaka Chemical Corp株式会社田中化学研究所
    • SHIBUYA HIDEKADOMAE KYOSUKENITTA YOSHIAKI
    • C01G53/04
    • PROBLEM TO BE SOLVED: To provide a production method for inexpensively obtaining high purity nickel oxide as a raw material of high purity nickel in a large amount under environmentally friendly conditions.
      SOLUTION: The production method of nickel oxide having 4N or more nickel purity and not more than 100 ppm of a sodium content includes: a neutralizing step of neutralizing an acid aqueous solution of nickel ions with a sodium hydroxide aqueous solution or a potassium hydroxide aqueous solution to precipitate a nickel compound having 3N of more nickel purity; and a heating and washing step of heating the nickel compound to produce nickel oxide and washing the nickel oxide with water.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:提供一种在环境条件下廉价地获得高纯度镍原料的高纯度镍的生产方法。 解决方案:具有4N以上镍纯度和不大于100ppm钠含量的氧化镍的制造方法包括:用氢氧化钠水溶液或钾中和酸性水溶液的中和工序 氢氧化物水溶液沉淀出具有3N以上镍纯度的镍化合物; 以及加热和洗涤步骤,加热镍化合物以产生氧化镍并用水洗涤氧化镍。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Method for producing nickel oxide
    • 生产镍氧化物的方法
    • JP2009137795A
    • 2009-06-25
    • JP2007315828
    • 2007-12-06
    • Tanaka Chemical Corp株式会社田中化学研究所
    • DOMAE KYOSUKESHIBUYA HIDEKANITTA YOSHIAKI
    • C01G53/00H01M4/52H01M4/86
    • Y02E60/50
    • PROBLEM TO BE SOLVED: To provide a method for producing nickel oxide which can obtain nickel oxide in which an alkali metal content is ≤100 ppm with respect to a transition metal(s) (including Ni) incorporated therein without producing poisonous gas.
      SOLUTION: The method for producing nickel oxide includes: a heating stage where a nickel hydroxide-containing precursor in which one or more kinds of first period transition metals other than nickel are comprised, and also, an alkali metal(s) used for neutralizing treatment is left is used as raw material, and the precursor is heat-treated at 300 to 1,000°C, so as to produce nickel oxide in which the average pore size of the grains is ≥25 Å, also the pore volume in the grains is 0.001 to 0.20 cm
      3 /g, and further, the crystal system essentially consists of Fm3m; and a water-washing stage where the nickel oxide obtained in the heating stage is water-washed.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种生产镍氧化物的方法,其可以获得相对于其中并入的过渡金属(包括Ni)而不产生有毒气体的碱金属含量≤100ppm的氧化镍 。 解决方案:生产氧化镍的方法包括:其中含有一种或多种除镍以外的一种或多种第一期间过渡金属的含氢氧化镍的前体以及所用的碱金属的加热阶段 将中和处理作为原料,将前体在300〜1000℃下进行热处理,生成平均孔径≥25埃的氧化镍,孔中的孔体积 晶粒为0.001〜0.20厘米3 /克/克,晶体体系基本上由Fm3m组成, 以及在加热阶段得到的氧化镍水洗的水洗阶段。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Method for producing high-purity cobalt compound
    • 生产高纯度钴化合物的方法
    • JP2008063164A
    • 2008-03-21
    • JP2006240439
    • 2006-09-05
    • Tanaka Chemical Corp株式会社田中化学研究所
    • SHIBUYA HIDEKADOMAE KYOSUKENITTA YOSHIAKISHIMAKAWA MAMORU
    • C01G51/04
    • PROBLEM TO BE SOLVED: To provide a high-purity cobalt compound having 45.0-65.0 wt.% cobalt content of ≥99% purity and high-purity oxidized cobalt which is obtained from the high-purity cobalt compound and has 70.0-80.0 wt.% cobalt content of ≥99% purity and ≤50 ppm sodium content and to provide methods for producing the high-purity cobalt compound and the high-purity oxidized cobalt.
      SOLUTION: A cobalt raw material is acid-treated by using an acidic aqueous solution to obtain a cobalt ion aqueous solution. The obtained cobalt ion aqueous solution is neutralized by an alkaline aqueous solution to obtain a precipitate of a cobalt compound. The obtained precipitate is cleaned by a decantation method. The cleaned precipitate is separated by a filtration method. The separated precipitate is dried to obtain the high-purity cobalt compound. The obtained high-purity cobalt compound is subjected to dehydration/condensation treatment to obtain oxidized cobalt. The obtained oxidized cobalt is cleaned by the decantation method. The cleaned oxidized cobalt is dried to obtain the high-purity oxidized cobalt.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 待解决的问题:为了提供从高纯度钴化合物获得的具有≥99%纯度的钴含量为45.0-65.0重量%和高纯度氧化钴的高纯度钴化合物,并且具有70.0- 80.0重量%的钴含量≥99%纯度和≤50ppm钠含量,并提供生产高纯度钴化合物和高纯度氧化钴的方法。 解决方案:使用酸性水溶液对钴原料进行酸处理,得到钴离子水溶液。 将得到的钴离子水溶液用碱性水溶液中和,得到钴化合物的析出物。 通过倾析方法清洗所得沉淀物。 通过过滤方法分离清洁的沉淀物。 将分离的沉淀物干燥,得到高纯度钴化合物。 将得到的高纯度钴化合物进行脱水/缩合处理,得到氧化的钴。 通过倾析法清洗得到的氧化钴。 将经清洁的氧化钴干燥以获得高纯度氧化钴。 版权所有(C)2008,JPO&INPIT