Method for the production of propylene oxide
    71.
    发明授权
    Method for the production of propylene oxide 有权
    生产环氧丙烷的方法

    公开(公告)号:US06756503B2

    公开(公告)日:2004-06-29

    申请号:US10312862

    申请日:2003-01-02

    IPC分类号: C07D30112

    CPC分类号: C07D301/12 Y02P20/582

    摘要: A process for the preparation of propylene oxide in which (i) propene is reacted with hydrogen peroxide in the presence of methanol to give propylene oxide, giving a mixture (Gi) comprising propylene oxide, methanol, water and unreacted hydrogen peroxide, (ii) a mixture (Gii) comprising methanol, water and hydrogen peroxide is separated off from the mixture (Gi), giving a mixture (Ga) comprising propylene oxide, and (iii) water is separated off from the mixture (Gii), giving a mixture (Giii) comprising methanol and methyl formate.

    摘要翻译: 一种制备环氧丙烷的方法,其中(i)丙烯在甲醇存在下与过氧化氢反应得到环氧丙烷,得到包含环氧丙烷,甲醇,水和未反应的过氧化氢的混合物(Gi),(ii) 从混合物(Gi)中分离出包含甲醇,水和过氧化氢的混合物(Gii),得到包含环氧丙烷的混合物(Ga),和(iii)从混合物(Gii)中分离出水,得到混合物 (Giii),其包含甲醇和甲酸甲酯。

    Process for the production of heparin-containing particulate products
    77.
    发明授权
    Process for the production of heparin-containing particulate products 失效
    生产含肝素颗粒产品的方法

    公开(公告)号:US4518771A

    公开(公告)日:1985-05-21

    申请号:US219853

    申请日:1980-12-23

    IPC分类号: C08B37/10

    CPC分类号: A61K31/715 C08B37/0075

    摘要: A heparin-enriched material capable of long-term storage and particularly adapted for use as a raw material in processes for the extraction of heparin is produced by storing the animal organ material for a period of 0.5 to 15 hours (preferably 4 to 6 hours) at a temperature of 10.degree. to 50.degree. C. (preferably 30.degree. to 50.degree. C.), then injecting steam to effect a heat treatment at a temperature between 75.degree. and 100.degree. C. The heat treatment precipitates heparin-containing aggregate which is filtered from the aqueous phase and dried to a dry substance content of 90 to 95%.

    摘要翻译: 通过将动物器官材料储存0.5至15小时(优选4至6小时)来制备能够长期储存并特别适合用作肝素提取方法中的原料的富含肝素的材料, 在10〜50℃(优选30〜50℃)下,注入蒸汽,在75〜100℃的温度下进行热处理。热处理使含有肝素的骨料沉淀, 从水相中过滤并干燥至干物质含量为90至95%。

    Manufacture of acicular cobalt-containing magnetic iron oxide
    80.
    发明授权
    Manufacture of acicular cobalt-containing magnetic iron oxide 失效
    针状钴磁性氧化铁的制造

    公开(公告)号:US4296149A

    公开(公告)日:1981-10-20

    申请号:US116552

    申请日:1980-01-29

    IPC分类号: G11B5/706 C01G49/06

    CPC分类号: G11B5/70657

    摘要: A process for the manufacture of acicular magnetic iron oxide consisting of a core of gamma-iron(III) oxide and a ferrite shell which contains, based on the total amount of magnetic material, from 0.2 to 12 percent by weight of cobalt(II) ions and from 0.1 to 15 percent by weight of iron(II) ions, wherein a solution containing cobalt(II) hydroxide and iron(II) hydroxide is applied to acicular gamma-iron(III) oxide particles and the latter are heated at 100.degree.-220.degree. C.

    摘要翻译: 制造由氧化铁(III)和核铁素体壳构成的针状磁性氧化铁的方法,该磁铁氧化铁基于磁性材料的总量含有0.2至12重量%的钴(II) 离子和0.1至15重量%的铁(II)离子,其中将含有氢氧化钴(II)和氢氧化铁(II)的溶液施加到针状γ-铁(III)氧化物颗粒上,并将其加热至100℃ DEG -220℃