会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • Preparation of cycloalkanoneoxime
    • 环己酮氧化酶的制备
    • JPS59101456A
    • 1984-06-12
    • JP20866882
    • 1982-11-30
    • Ube Ind Ltd
    • UCHIUMI SHINICHIROUATAKA KIKUOISHICHI KOUJI
    • C07C251/44C07C249/04
    • PURPOSE: To prepare the titled compound useful as an intermediate of nylon raw material and a raw material of pharmaceuticals, etc., in one step, in high yield, without using a particular corrosion-resistant material, by the catalytic contact reaction of a cycloalkane with a nitrous acid ester under heating.
      CONSTITUTION: A cycloalkane having 5W12C atoms and free from alkyl substituent group (e.g. cyclopentane, cyclohexane, etc.) is made to contact with a nitrous acid ester which is an ester of a 1W8C aliphatic monohydric alcohol (e.g. methanol, ethanol, etc.) and nitrous acid in vapor state at 150W400°C, preferably 250W350°C to obtain the objective compound. The concentration of the nitrous acid ester in the gas is preferably somewhat lower than that of cycloalkane, and the concentration of cycloalkane is preferably ≥5%.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:通过环烷烃的催化接触反应,在一步中以高产率制备可用作尼龙原料中间体和药物原料的标题化合物,而不使用特定的耐腐蚀材料 加入亚硝酸酯。 构成:使具有5-12C原子且不含烷基取代基(例如环戊烷,环己烷等)的环烷烃与作为1-8C脂族一元醇(例如甲醇,乙醇)的酯的亚硝酸酯接触 等)和在150-400℃,优选250-350℃的蒸汽状态的亚硝酸,得到目标化合物。 气体中亚硝酸酯的浓度优选略低于环烷烃的浓度,并且环烷烃的浓度优选> = 5%。
    • 2. 发明专利
    • Manufacture of magnetic powder
    • 磁粉制造
    • JPS59198702A
    • 1984-11-10
    • JP7206183
    • 1983-04-26
    • Ube Ind Ltd
    • OODAN KIYOUJIMIURA HIROSHIISHICHI KOUJI
    • G11B5/712B22F1/00B22F9/22C01G49/02C09D5/23C09D7/12G11B5/706H01F1/032
    • G11B5/70689
    • PURPOSE:To check effectively getting out of shape of parent material powder and sintering between particles according to heat treatment, and to obtain uniformly needle-like magnetic powder having favorable dispersibility by a method wherein phosphate in gaseous condition is made to come in contact with the parent material powder. CONSTITUTION:When needle-like magnetic powder is to be manufactured using needle-like oxy iron hydroxide powder or needle-like iron oxide powder as a parent material, the parent material is made to come in contact previously with phosphate in gaseous condition, and needle-like oxy iron hydroxide (goethite) powder is filled up in a quartz tube provided with a glass filter at the bottom. Then air is circulated at the room temperature in trimethyl phosphate, air containing 1vol% of trimethyl phosphate is flowed in the quartz tube using air as a carrier, and the trimethyl phosphate is made to come in contact with the goethite powder at the room temperature for 10min fluidizing the goethite powder. Then after the powder thereof is heated to be dehydrated for 1hr at 600 deg.C in an air atmosphere, it is reduced in a hydrogen atmosphere for 1hr at 320 deg.C, and then oxidized for 1hr at 250 deg.C in an air atmosphere to obtain needle-like magnetic powder of magnesite.
    • 目的:为了有效地检查母材粉末的形状和根据热处理的颗粒之间的烧结,并且通过使气态磷酸盐与其接触的方法获得均匀的具有良好分散性的针状磁性粉末 母料粉。 构成:使用针状氧化铁氢氧化物粉末或针状氧化铁粉末作为母体制造针状磁性粉末时,使母体与气态条件下的磷酸盐接触,并且针 将氧化氢氧化铁(针铁矿)粉末填充在底部设有玻璃过滤器的石英管中。 然后将空气在室温下在磷酸三甲酯中循环,使用空气作为载体,将含有1体积%磷酸三甲酯的空气在石英管中流动,并使磷酸三甲酯与室温下与针铁矿粉接触 10min流出针铁矿粉。 然后将其粉末在空气气氛中在600℃加热脱水1小时后,在氢气气氛中在320℃下还原1小时,然后在空气中在250℃下氧化1小时 气氛中获得菱镁矿针状磁粉。
    • 3. 发明专利
    • Pretreatment of acicular iron oxide powder
    • 预处理氧化铁粉
    • JPS59213626A
    • 1984-12-03
    • JP8498283
    • 1983-05-17
    • Ube Ind Ltd
    • OODAN KIYOUJIMIURA HIROSHIISHICHI KOUJI
    • G11B5/62B22F9/22C01G49/02C09D5/23C09D7/12H01F1/06H01F1/11
    • PURPOSE: To prevent deformation of shape and sintering of particles and to obtain superior magnetic characteristics of magnetic powder by allowing acicular iron oxide powder to contact with gaseous Si compd. before its heat treatment.
      CONSTITUTION: Acicular iron oxide powder such as FeO, α-Fe
      2 O
      3 , γ-Fe
      2 O
      3 , Fe
      3 O
      4 , etc. is allowed to contact with gaseous Si compd. such as silicic acid ester, silicon halide, etc., and Si compd. is deposited or adsorbed uniformly to the surface of the iron oxide particles. The acicular iron oxide powder pretreated in this way is heat-treated. By this method, deformation of the acicular shape or sintering of particles is prevented and magnetic powder having superior magnetic characteristics is obtd.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:通过使针状氧化铁粉末与气态Si化合物接触,防止形状变形和颗粒烧结,获得优异的磁粉特性。 在其热处理之前。 构成:使FeO,α-Fe2O3,γ-Fe2O3,Fe3O4等针状氧化铁粉末与气态Si化合物接触。 例如硅酸酯,卤化硅等,以及Si化合物。 沉积或吸附到氧化铁颗粒的表面。 以这种方式预处理的针状氧化铁粉末进行热处理。 通过该方法,可以防止针状或针状烧结,可以获得具有优异磁特性的磁性粉末。
    • 4. 发明专利
    • Production of magnetic powder
    • 生产磁粉
    • JPS59207843A
    • 1984-11-26
    • JP8016383
    • 1983-05-10
    • Ube Ind Ltd
    • OODAN KIYOUJIMIURA HIROSHIISHICHI KOUJI
    • B22F9/22C01G49/02G11B5/62H01F1/06H01F1/11
    • PURPOSE: To obtain magnetic powder, effectively preventing the collapse and sintering the particles caused by the heat-treatment, by contacting acicular iron oxyhydroxide powder with vapor of a silicon compound prior to the heat-treatment.
      CONSTITUTION: In the preparation of acicular magnetic powder by the heat- treatment of acicular iron oxyhydroxide, the iron oxyhydroxide powder is brought into contact with the vapor of a silicon compound prior to the heat- treatment. The acicular iron oxyhydroxide is e.g. the powder of α-FeOOH, β- FeOOH, γ-FeOOH, etc., above all α-FeOOH because any kinds of magnetic powder such as magnetite, maghemite, metallic iron, etc. can be produced therefrom. The silicon compound is preferably an easily hydrolyzable compound capable of giving SiO
      2 easily by the above contacting process.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:为了获得磁粉,有效防止热处理引起的颗粒塌陷和烧结,在热处理前,将针状羟基氧化铁粉与硅化合物的蒸气接触。 构成:通过热处理针状羟基氧化铁制备针状磁粉,在热处理前,使羟基氧化铁粉与硅化合物的蒸气接触。 针状羟基氧化铁是例如。 高于所有α-FeO​​OH的α-FeO​​OH,β-FeOOH,γ-FeOOH等的粉末,因为可以由其制备任何种类的磁粉,如磁铁矿,磁赤铁矿,金属铁等。 硅化合物优选是能够通过上述接触方法容易地提供SiO 2的容易水解的化合物。
    • 5. 发明专利
    • Preparation of 1,12-dodecanediamine
    • 1,12-十二烷基胺的制备
    • JPS5770842A
    • 1982-05-01
    • JP14633580
    • 1980-10-21
    • Ube Ind Ltd
    • FURUSAKI SHINICHIYAMASHINA HISAOISHICHI KOUJI
    • C07B61/00B01J23/00B01J23/74C07C67/00C07C209/00C07C209/48C07C211/09
    • Y02P20/52
    • PURPOSE: To prepare the titled compound useful as a raw material of polyamides, by hydrogenating dodecanedinitrile using a granular catalyst having long-lasting catalytic activity, resistant to pulverization, and containing an active component composed essentially of element iron.
      CONSTITUTION: 1,12-Dodecanediamine is prepared by hydrogenating dodecanedinitrile. The hydrogenation is carried out at a relatively low temperature (but high enough to keep the sufficiently high catalytic activity), e.g. at 80W150°C, in liquid phase, under pressure (pref. 150W300kg/cm
      2 G), in the presence of ammonia and hydrogen, and a granular catalyst having a diameter of 5W20mm and obtained by calcining or melting a mixture of iron oxide and 1W10wt%, based on the iron oxide, of aluminum oxide at≥1,400°C, cooling, crushing, and reducing in hydrogen.
      EFFECT: The use of the catalyst enables the continuous operation for a long period.
      COPYRIGHT: (C)1982,JPO&Japio
    • 目的:制备可用作聚酰胺原料的标题化合物,通过使用具有持久催化活性,耐粉碎性,含有基本上由元素铁组成的活性组分的粒状催化剂氢化十二烷基腈。 构成:通过氢化十二烷基二腈制备1,12-十二烷二胺。 氢化在相对较低的温度(但足够高以保持足够高的催化活性)下进行,例如, 在80-150℃,液相中,在压力(优选150-300kg / cm2G)下,在氨和氢的存在下,和直径为5-20mm的颗粒催化剂。 通过煅烧或熔融氧化铝与氧化铝的重量比在> = 1400℃下煅烧或熔化氧化铝1-10重量%的混合物,在氢气中冷却,破碎和还原。 效果:使用催化剂可长时间连续运行。