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    • 6. 发明专利
    • Basic aluminium nitrate aqueous solution and its manufacturing method
    • 碱性硝酸钠水溶液及其制造方法
    • JP2007131517A
    • 2007-05-31
    • JP2006278200
    • 2006-10-12
    • Nissan Chem Ind Ltd日産化学工業株式会社
    • OIWAMOTO MASAKIYAMAGUCHI KENJI
    • C01F7/66
    • PROBLEM TO BE SOLVED: To provide a high concentrated basic aluminium nitrate aqueous solution and its manufacturing method.
      SOLUTION: The basic aluminium nitrate aqueous solution includes one kind or more of acids selected from lactic acid, tartaric acid and citric acid at a mole ratio of carboxylate ion to nitrate ion (COO
      - /NO
      3
      - mole ratio) of 0.01-0.3, and has a Al
      2 O
      3 concentration of 12-35 mass% and a ratio of the number of moles of aluminium to the total number of moles of nitrate ion and carboxylate ion {Al/(NO
      3
      - +COO
      - ) mole ratio} of 0.8-2.5. The manufacturing method comprises mixing a gel of aluminium hydroxide to a mixed aqueous solution of nitric acid or aluminium nitrate and one kind or more of acids selected from lactic acid, tartaric acid and citric acid, and heating and aging the mixture, or comprises mixing aluminium hydroxide to an aqueous solution of nitric acid or aluminium nitrate, and heating and aging the mixture and thereafter adding one kind or more of acids selected from lactic acid, tartaric acid and citric acid to the mixture and mixing them.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供高浓度碱性硝酸铝水溶液及其制造方法。 解决方案:碱式硝酸铝水溶液包含选自乳酸,酒石酸和柠檬酸中的一种或多种酸,其羧酸根离子与硝酸根离子的摩尔比(COO / NO 0.01-0.3的摩尔比为0.01-0.3,并且具有12-35的Al 2 SB 3 O 3 / SB 3浓度 质量%和铝的摩尔数相对于硝酸根离子和羧酸根离子的总摩尔数的比例äAl/(NO 3 - + COO - )摩尔比}为0.8-2.5。 制造方法包括将氢氧化铝凝胶与硝酸或硝酸铝的混合水溶液和选自乳酸,酒石酸和柠檬酸的一种或多种酸混合,并加热和老化该混合物,或包括将铝 氢氧化物加入硝酸或硝酸铝的水溶液中,加热熟化混合物,然后将一种或多种选自乳酸,酒石酸和柠檬酸的酸加入混合物中并混合。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Fine particle manufacturing method
    • 细颗粒制造方法
    • JP2006102737A
    • 2006-04-20
    • JP2005046086
    • 2005-02-22
    • Nisshin Engineering Co LtdNisshin Seifun Group Inc日清エンジニアリング株式会社株式会社日清製粉グループ本社
    • YUGAI KAZUHIRONAKAMURA KEITAROFUJII TAKASHI
    • B01J19/08B22F9/14C01F7/02C01F7/66C01G23/00
    • PROBLEM TO BE SOLVED: To provide a fine particle manufacturing method for such as oxide, nitride and carbide capable of obtaining high-quality fine particles having even particle size with high productivity. SOLUTION: The fine particle manufacturing method, wherein the fine particles are produced by introducing a fine particle manufacturing material into a thermal plasma flame 24 to form a mixture in a gaseous condition and quenching the mixture in the gaseous condition, and the method of manufacturing the fine particle, wherein the process that introduces the fine particle manufacturing material into the thermal plasma flame disperses the fine particle manufacturing material in a flammable material to form slurry and changes the slurry to droplets to be introduced into the thermal plasma flame. As forms of the material to be introduced into the thermal plasma flame, powder, colloidal solution, liquid or the like are effective. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供能够获得具有高生产率的均匀粒径的高品质细颗粒的氧化物,氮化物和碳化物的微粒制造方法。 解决方案:微粒制造方法,其中通过将细颗粒制造材料引入热等离子体火焰24中以在气态条件下形成混合物并在气态条件下淬灭混合物而制备细颗粒,并且该方法 其中将微粒制造材料引入热等离子体火焰中的方法将微粒制造材料分散在易燃材料中以形成浆料,并将浆料改变为液滴以引入热等离子体火焰中。 作为引入热等离子体火焰的材料的形式,粉末,胶体溶液,液体等是有效的。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Method for purifying aluminum salt
    • 用于净化铝盐的方法
    • JPS5973434A
    • 1984-04-25
    • JP18406582
    • 1982-10-20
    • Agency Of Ind Science & Technol
    • AOYANAGI ICHIROUMATSUI HARUO
    • C01F7/56C01F7/48C01F7/62C01F7/66C01F7/74
    • C01F7/62
    • PURPOSE: To purify an aluminum salt, by bringing an aqueous solution of the aluminum salt into contact with a chelate resin to adsorb impure elementary iron, copper and gallium on the chelate resin.
      CONSTITUTION: An aqueous solution of an aluminum salt is brought into contact with a chelate resin having a multidentate ligand as an exchange group, e.g. iminodiacetic acid, to adsorb and remove iron, copper and gallium accompanying the aluminum salt on the chelate resin. Preferably, the aluminum concentration of the solution to be purified is ≤2mol/l, and the pH thereof is ≥1. Preferably, the iron and copper in the solution are respectively in the trivalent and bivalent oxidation state, and the solution is pretreated with a suitable oxidizing agent.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:通过使铝盐的水溶液与螯合树脂接触来纯化铝盐,以将不纯的元素铁,铜和镓吸附在螯合树脂上。 构成:使铝盐的水溶液与具有作为交换基团的多齿配体的螯合树脂接触。 亚氨基二乙酸,以吸附和除去伴随铝盐在螯合树脂上的铁,铜和镓。 优选地,待纯化溶液的铝浓度为≤2mol/ l,其pH为> = 1。 优选地,溶液中的铁和铜分别处于三价和二价氧化态,并且用合适的氧化剂预处理该溶液。