Method for the adsorptive purification of alkyl methacrylates
    2.
    发明授权
    Method for the adsorptive purification of alkyl methacrylates 有权
    甲基丙烯酸烷基酯吸附纯化方法

    公开(公告)号:US08324424B2

    公开(公告)日:2012-12-04

    申请号:US12517199

    申请日:2007-08-31

    CPC classification number: C07C67/20 C07C67/56 C07C69/54

    Abstract: The invention relates in general terms to a process for preparing to a process for purifying an alkyl methacrylate, comprising the steps of: A. providing an alkyl methacrylate with an impurity: B. adsorbing at least some of the impurity onto a purifying solid to obtain an ultrapure alkyl methacrylate, to a process for preparing an ultrapure alkyl methacrylate, to an apparatus for preparing alkyl methacrylates, to a process for preparing a polymer based at least partly on alkyl methacrylates, to the use of an alkyl methacrylate obtained according to the invention in chemical products, and to chemical products comprising an alkyl methacrylate obtained according to the invention.

    Abstract translation: 本发明一般涉及一种制备甲基丙烯酸烷基酯纯化方法的方法,包括以下步骤:A.提​​供具有杂质的甲基丙烯酸烷基酯:将至少一些杂质吸附到纯化固体上以获得 超临界甲基丙烯酸烷基酯,用于制备超纯甲基丙烯酸烷基酯的方法,用于制备甲基丙烯酸烷基酯的装置,至少部分地基于甲基丙烯酸烷基酯制备聚合物的方法,使用根据本发明获得的甲基丙烯酸烷基酯 化学产品,以及包含根据本发明获得的甲基丙烯酸烷基酯的化学产品。

    Hydrogen cyanide synthesis process

    公开(公告)号:US06979432B2

    公开(公告)日:2005-12-27

    申请号:US10733274

    申请日:2003-12-12

    CPC classification number: C01C3/0212

    Abstract: A process for the production of hydrogen cyanide is provided, wherein hydrogen cyanide is synthesized by reacting methane or methane-containing natural gas, ammonia and oxygen-enriched air or oxygen in the presence of a catalyst comprising platinum or a platinum alloy; wherein the reactants are present in the following molar ratios [ O 2 ] [ O 2 + N 2 ] = 0.25 ⁢ ⁢ to ⁢ ⁢ 1.0 ; [ CH 4 ] [ NH 3 ] = 0.95 ⁢ ⁢ to ⁢ ⁢ 1.05 ; and where a molar ratio of ammonia to the sum of oxygen and nitrogen obeys the following relationship: Y=m·X−a, wherein Y = [ NH 3 ] [ O 2 + N 2 ] X = [ O 2 ] [ O 2 + N 2 ] m=1.25 to 1.40; and a=0.05 to 0.14.

    Optical element mounting technique
    5.
    发明申请
    Optical element mounting technique 审中-公开
    光学元件安装技术

    公开(公告)号:US20050030649A1

    公开(公告)日:2005-02-10

    申请号:US10940654

    申请日:2004-09-15

    CPC classification number: G02B7/008 G02B7/00

    Abstract: A technique for attaching an optical element to a structural element is disclosed. In one particular exemplary embodiment, the technique may be realized as an apparatus for attaching an optical element to a structural element. Such an apparatus may comprise an optical element formed of a material having a first coefficient of thermal expansion value, a structural element formed of a material having a second coefficient of thermal expansion value, and an intermediate element formed of a material having a third coefficient of thermal expansion value that is between the first coefficient of thermal expansion value and the second coefficient of thermal expansion value. The intermediate element is disposed between the optical element and the structural element such that thermal stress between the optical element and the structural element are transferred to the intermediate element.

    Abstract translation: 公开了一种用于将光学元件附接到结构元件的技术。 在一个特定的示例性实施例中,该技术可以被实现为用于将光学元件附接到结构元件的装置。 这样的装置可以包括由具有第一热膨胀系数值的材料形成的光学元件,由具有第二热膨胀系数的材料形成的结构元件,以及由具有第三系数的材料形成的中间元件 第一热膨胀系数与第二热膨胀系数之间的热膨胀值。 中间元件设置在光学元件和结构元件之间,使得光学元件和结构元件之间的热应力传递到中间元件。

    Hydrogen cyanide synthesis process
    6.
    发明授权
    Hydrogen cyanide synthesis process 失效
    氰化氢合成工艺

    公开(公告)号:US06596251B2

    公开(公告)日:2003-07-22

    申请号:US09903776

    申请日:2001-07-13

    CPC classification number: C01C3/0212

    Abstract: A process for the synthesis of hydrogen cyanide by the Andrussow process by reaction of methane or methane-containing natural gas, ammonia and oxygen or oxygen-enriched air on a catalyst at an elevated temperature, wherein O 2 O 2 + N 2 = 0.25 - 1.0 ⁢   ⁢ ( vol / vol ) .

    Abstract translation: 一种通过在高温下通过甲烷或含甲烷的天然气,氨和氧气或富氧空气在催化剂上反应来通过Andrussow方法合成氰化氢的方法,其中

    Method for producing methacrylic alkyl esters by way of azeotropic distillation
    9.
    发明授权
    Method for producing methacrylic alkyl esters by way of azeotropic distillation 有权
    通过共沸蒸馏生产甲基丙烯酸烷基酯的方法

    公开(公告)号:US08586779B2

    公开(公告)日:2013-11-19

    申请号:US12516629

    申请日:2007-08-31

    Abstract: The present invention relates in general terms to a process for preparing alkyl methacrylates, comprising as steps: providing an acetone cyanohydrin by a process according to one of the preceding claims; contacting the acetone cyanohydrin with an inorganic acid to obtain a methacrylamide; contacting the methacrylamide with an alcohol in the presence of an inorganic acid in a reactor to obtain an alkyl methacrylate; continuously discharging at least a portion of the alkyl methacrylate from the reactor into a distillation column as a vapor stream; the discharge being effected by feeding a discharge stream comprising steam into the reactor, to an apparatus for preparing alkyl methacrylates, to a process for preparing polymers based at least partly on alkyl methacrylates, to the use of the alkyl methacrylates obtainable by the process according to the invention in chemical products, and to chemical products based on alkyl methacrylates obtainable by the process according to the invention.

    Abstract translation: 本发明一般涉及制备甲基丙烯酸烷基酯的方法,其包括如下步骤:通过根据前述权利要求之一的方法提供丙酮氰醇; 使丙酮氰醇与无机酸接触,得到甲基丙烯酰胺; 使甲基丙烯酰胺与醇在无机酸存在下在反应器中接触,得到甲基丙烯酸烷基酯; 将至少一部分甲基丙烯酸烷基酯从反应器连续排出到作为蒸气流的蒸馏塔中; 排放是通过将包含蒸汽的排出物流进入反应器,到制备甲基丙烯酸烷基酯的装置,至少部分地基于甲基丙烯酸烷基酯制备聚合物的方法,使用可通过根据 化学产品中的发明,以及基于通过本发明的方法获得的基于甲基丙烯酸烷基酯的化学产品。

    Planting Device
    10.
    发明申请
    Planting Device 审中-公开
    种植装置

    公开(公告)号:US20130031836A1

    公开(公告)日:2013-02-07

    申请号:US13136530

    申请日:2011-08-03

    Inventor: Thomas Schaefer

    CPC classification number: A01G9/02 A01G9/045

    Abstract: The present invention is a planting device design for multiple plant containers. Said planting device incorporates a reservoir and a wick for each plant container. When placing the plant container through the lid, a flap is opened. Said flap positions the plant container so that the wick is in contact with the water, but the container containing the soil is not in contact with the water. This reduces the possibility of rot. Said flap also closes when the plant container is removed thereby preventing pollutants (e.g. insects, leaves) along with pets or light from communicating with the water.

    Abstract translation: 本发明是用于多个植物容器的种植装置设计。 所述种植装置包括用于每个植物容器的储存器和芯。 当将植物容器放置通过盖子时,打开瓣片。 所述翼片将植物容器定位,使得芯与水接触,但容纳土壤的容器不与水接触。 这样可以减少腐烂的可能性。 当植物容器被去除时,所述皮瓣也关闭,从而防止污染物(例如昆虫,叶子)以及宠物或光与水连通。

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