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    • 2. 发明授权
    • Production of podophyllotoxins using podophyllum
    • 使用鬼臼鱼生产鬼臼毒素
    • US5336605A
    • 1994-08-09
    • US11671
    • 1993-02-01
    • Ko SakataEitaroh MoritaTetsuya Takezono
    • Ko SakataEitaroh MoritaTetsuya Takezono
    • A01H4/00C12N5/00C12N5/04C12P17/18C12N5/02
    • C12N5/04A01H4/00C12N5/0025C12P17/181
    • A process for the preparation of an adventive embryo of a plant belonging to the genus Podophyllum, comprising the steps of preparing cells of a plant belonging to the genus Podophyllum, incubating the cells in a sugar free medium or a medium containing up to 2% by weight sugar, and then incubating the cells in a medium containing more than 2% by weight of sugar to generate an adventive embryo; a process for the production of a podophyllotoxin compound comprising the steps of preparing an adventive embryo of a plant belonging to the genus Podophyllum, culturing the adventive embryo to generate an adventitious organ, culturing the adventitious organ to produce a podophyllotoxin compound, and recovering the podophyllotoxin compound; and a process for the production of a podophyllotoxin compound, comprising the steps of preparing de-differentiated cells or tissue of a plant belonging to the genus Podophyllum culturing the de-differentiated cells or tissue in a liquid medium to generate a differentiated organ, culturing the differentiated organ on a solid medium to produce a podophyllotoxin compound, and recovering the podophyllotoxin compound.
    • 一种制备属于Podophyllum属的植物的外来胚胎的方法,包括以下步骤:制备属于Podophyllum属植物的细胞,将无细胞培养基中的细胞或含有高达2%的培养基 重量糖,然后将细胞在含有超过2重量%糖的培养基中培养以产生外来胚胎; 一种生产鬼臼毒素化合物的方法,包括以下步骤:制备属于Podophyllum属植物的外来胚胎,培养外来胚胎以产生外来器官,培养外来器官以产生鬼臼毒素化合物,并回收鬼臼毒素 复合; 以及生产鬼臼毒素化合物的方法,包括以下步骤:在液体培养基中培养属于茯苓属的植物的去分化细胞或组织培养分化的细胞或组织以产生分化的器官,培养 分离的器官在固体培养基上产生鬼臼毒素化合物,并回收鬼臼毒素化合物。
    • 6. 发明授权
    • Process for preparing derivatives of naphthazarin
    • 制备萘氮芥衍生物的方法
    • US4650885A
    • 1987-03-17
    • US857357
    • 1986-04-30
    • Yoshihiro KoboriTetsuya Takezono
    • Yoshihiro KoboriTetsuya Takezono
    • C07D307/12
    • C07D307/12
    • A process is provided for preparing a derivative of naphthazarin represented by the general formula (I) of: ##STR1## wherein X.sub.1, X.sub.2 and X.sub.3 each stands for an atom or a group consisting of hydrogen, a hydroxyl group, organic residues and halogens; and R.sub.1 to R.sub.6 each stands for an atom or a group selected from the group consisting of hydrogen and hydrocarbon groups. The derivative of naphthazarin is prepared by the step of reacting, in the presence of an acid catalyst, the following compounds represented by the general formulae (II) and (III): ##STR2## wherein R is an atom or a group selected from the group consisting of hydroxyl, oxyhydrocarbon, siloxy and acyloxy groups and halogen atoms.
    • 提供了制备由以下通式(I)表示的萘甲素衍生物的方法:其中X1,X2和X3各自表示原子或由氢,羟基,有机残基组成的组 和卤素; R1〜R6各自表示选自氢和烃基的原子或基团。 通过在酸催化剂存在下使通式(II)和(III)表示的下列化合物反应的方法制备萘氮杂衍生物:其中R 是选自羟基,羟基烃,甲硅烷氧基和酰氧基和卤素原子的原子或基团。
    • 7. 发明授权
    • Process for preparing methyl tertiary-butyl ether
    • 制备甲基叔丁基醚的方法
    • US4404409A
    • 1983-09-13
    • US125655
    • 1980-02-28
    • Yasuo FujiwaraTetsuya Takezono
    • Yasuo FujiwaraTetsuya Takezono
    • C07C43/04B01J31/00C07B61/00C07C41/06C07C41/00
    • C07C41/06
    • A process for continuously preparing methyl tertiary-butyl ether with high yield involves reacting an isobutylene-containing/hydrocarbon and methanol by continuously passing the isobutylene and methanol, in a molar ratio of isobutylene to methanol of 1 to 0.6-1.4 at a temperature of 60.degree.-100.degree. C. at a liquid space velocity of 0.1-50 l/hour and at a pressure of 1-50 atmospheres, through a first reactor filled with strong acid type cation exchange resin particles having an average particle diameter of 0.2-10 mm; dividing the mixture of the reaction products in two streams, the flow rate of the first stream being 3-15 times the flow rate of the second stream; recycling the first stream to the first reactor; passing the second stream, at a temperature of 20.degree.-55.degree. C. at a liquid space velocity of 0.1-50 l/hour and at a pressure of 1-50 atmospheres, through a second reactor filled with strong acid type cation exchange resin particles having an average particle diameter of 0.2-10 mm; passing the stream from the second reactor through a fixed bed filled with a water-insoluble solid particulate acid neutralizing agent having an average particle diameter of 0.1-10 mm at a temperature of about 0.degree.-55.degree. C.; passing the resulting reaction mixture into a flashing tower whereby the unreacted hydrocarbon is removed; and recovering a mixture containing MTBE from the bottom of the flashing tower.
    • 以高产率连续制备甲基叔丁基醚的方法包括使异丁烯/烃和甲醇通过连续使异丁烯和甲醇以异丁烯与甲醇的摩尔比在1至0.6-1.4的温度下反应,温度为60℃ 以0.1-50升/小时的液体空间速度和1-50大气压的压力,通过填充有强酸型阳离子交换树脂颗粒的平均粒径为0.2-10的第一反应器 毫米 将反应产物的混合物分成两股,第一流的流量为第二料流的流量的3-15倍; 将第一流回收到第一反应器; 在20〜-5℃的温度下以0.1-50升/小时的液体空间速度和1-50大气压的压力,通过填充有强酸型阳离子交换树脂的第二反应器 平均粒径为0.2-10mm的颗粒; 使来自第二反应器的物流在约0-55℃的温度下通过填充有平均粒径为0.1-10mm的水不溶性固体颗粒酸中和剂的固定床; 将所得反应混合物通入闪蒸塔,除去未反应的烃; 并从闪光塔的底部回收含有MTBE的混合物。
    • 8. 发明授权
    • Process for isolating and recovering butene-1 of high purity
    • 用于分离和回收高纯度丁烯-1的方法
    • US4356339A
    • 1982-10-26
    • US328317
    • 1981-12-07
    • Masao ImaizumiTetsuya TakezonoTakaaki AmariYutaka Oguchi
    • Masao ImaizumiTetsuya TakezonoTakaaki AmariYutaka Oguchi
    • C07C7/177C07C11/08C07C7/12
    • C07C11/08C07C7/177Y02P20/582
    • A process for isolating and recovering butene-1 of high purity at a high yield is provided. The process comprises the steps of continuously passing a butane-butene fraction containing 0.1 to 15 wt % of isobutylene and 10 to 50 wt % of butene-1 through a first reactor packed with a strongly acidic cation exchange resin having an average particle size of from 0.2 to 10 mm at a temperature of from 30.degree. to 100.degree. C. and at a space velocity of liquid of from 0.1 to 50 hr.sup.-1 under a pressure of from 1 to 50 atm., dividing the output mixture flowing out of said first reactor into two flows at a division ratio in flow rate of 1.about.15:1, recirculating the first flow having the flow rate of 1.about.15 into said first reactor packed with said cation exchange resin, passing the second flow having the flow rate of 1 through a second reactor packed with a strongly acidic cation exchange resin under the conditions similar to those of the first reactor, distilling the output flow from said second reactor to separate the same into a heavy hydrocarbon fraction containing oligomers of isobutylene and a light hydrocarbon fraction containing butane and butene, and rectifying said light hydrocarbon fraction to isolate butene-1 from other C.sub.4 -hydrocarbons.
    • 提供了以高产率分离和回收高纯度的丁烯-1的方法。 该方法包括以下步骤:将含有0.1至15重量%的异丁烯和10至50重量%的丁烯-1的丁​​烷 - 丁烯馏分连续通过填充有平均粒度为 在30〜100℃的温度下,在1〜50个大气压的压力为0.1〜50小时-1的液体空间速度下0.2〜10mm,将输出混合物从所述 将第一反应器分成两个流量,流速为1分钟的分流比为15:1,将具有1分歧15的流速的第一流再循环到装有阳离子交换树脂的第一反应器中,使具有流速的第二流 在与第一反应器类似的条件下通过填充有强酸性阳离子交换树脂的第二反应器蒸馏来自第二反应器的输出流,将其分离成含有低聚物的重质烃馏分 rs的异丁烯和含有丁烷和丁烯的轻烃馏分,并精馏所述轻烃馏分以将丁烯-1与其它C 4烃分离。