Process for soil remediation
    22.
    发明授权
    Process for soil remediation 失效
    土壤修复过程

    公开(公告)号:US5725470A

    公开(公告)日:1998-03-10

    申请号:US858411

    申请日:1997-05-19

    Abstract: A process for the remediation of soil containing volatile organic compounds which comprises the steps of: (1) forming an emulsifier comprising: (a) from about 70 to about 99% by weight of a sugar surfactant selected from the group consisting of an alkyl polyglycoside, a glucamide, and mixtures thereof; and (b) from about 1 to about 30% by weight of a nonionic surfactant, other than said sugar surfactant which, when combined with said sugar surfactant, provides a hydrophilic-lipophilic balance of from about 8.0 to about 13.0; (2) mixing said emulsifier with said unwanted contaminants to form a stable emulsion; and (3) removing said stable emulsion from said soil.

    Abstract translation: 一种用于补充含有挥发性有机化合物的土壤的方法,其包括以下步骤:(1)形成乳化剂,其包含:(a)约70至约99重量%的选自以下的糖表面活性剂:烷基多糖苷 ,葡糖酰胺及其混合物; 和(b)约1至约30重量%的除所述糖表面活性剂之外的非离子表面活性剂,当与所述糖表面活性剂组合时,其提供约8.0至约13.0的亲水亲油平衡; (2)将所述乳化剂与所述不需要的污染物混合以形成稳定的乳液; 和(3)从所述土壤中除去所述稳定的乳液。

    Stable polyamide resin microdispersions
    24.
    发明授权
    Stable polyamide resin microdispersions 失效
    稳定的聚酰胺树脂微分散体

    公开(公告)号:US5407985A

    公开(公告)日:1995-04-18

    申请号:US674846

    申请日:1991-03-25

    Inventor: George A. Smith

    CPC classification number: C08J3/03 C08J2377/00

    Abstract: Stable aqueous microdispersions of finely divided polyamide resin particles and methods for the manufacture thereof are provided. The properties of these microdispersions are achieved by the addition thereto of an effective amount of a co-surfactant such as a lower alkyl alcohol. The provided microdispersions can be drawn into films which will form clear, continuous films at ambient or near-ambient temperatures regardless of the softening point of the polyamide resin. Dispersions according to this invention find use in hot melt adhesives, coatings, inks, and the like.

    Abstract translation: 提供细分散的聚酰胺树脂颗粒的稳定的水分微分散体及其制造方法。 这些微分散体的性质通过加入有效量的助表面活性剂如低级烷基醇来实现。 提供的微分散体可以被吸收到膜中,其将在环境温度或接近环境温度下形成透明连续的膜,而与聚酰胺树脂的软化点无关。 根据本发明的分散体可用于热熔粘合剂,涂料,油墨等。

    Five gear isolating mechanism for bypass isolation switches
    25.
    发明授权
    Five gear isolating mechanism for bypass isolation switches 失效
    用于旁路隔离开关的五齿隔离机构

    公开(公告)号:US5200586A

    公开(公告)日:1993-04-06

    申请号:US738713

    申请日:1991-07-31

    Abstract: A mechanism for bypass isolation switches of the type comprised of at least three circuit interruption devices each having a handle has at least three switch gears, one positioned over each circuit interruption device and having either a drive gear or a spacer gear therebetween. A cam having a mouth which engages the handle of the circuit interruption device is eccentrically mounted on each switch gear. A stop is provided on at least one gear to permit the gears to rotate only 180.degree.. Since the drive, spacer and switch gears are interconnected, the cams must move or not move simultaneously. As a result, the at least three circuit interruption devices are operated simultaneously.

    Abstract translation: 一种由至少三个电路中断装置构成的旁路隔离开关的机构,每个电路中断装置具有至少三个开关齿轮,一个位于每个电路中断装置上,并具有驱动齿轮或间隔齿轮。 具有接合电路中断装置的手柄的口的凸轮偏心地安装在每个开关装置上。 在至少一个齿轮上设置止动件,以允许齿轮仅旋转180度。 由于驱动器,间隔器和开关齿轮相互连接,凸轮必须同时移动或不移动。 结果,至少三个电路中断装置同时工作。

    Electric power system with maintenance bypass for uninterruptible power
supply using closed transition operation
    26.
    发明授权
    Electric power system with maintenance bypass for uninterruptible power supply using closed transition operation 失效
    具有维护旁路的电力系统,用于不间断电源,使用闭路转换操作

    公开(公告)号:US5081367A

    公开(公告)日:1992-01-14

    申请号:US549521

    申请日:1990-07-06

    CPC classification number: H02J9/062 H01H2300/018 Y10T307/615 Y10T307/724

    Abstract: An uninterruptible power source having a static transfer switch which switches rapidly between a commercial power source and an alternate power source is removed from service by a maintenance bypass switch having a first switch in series with the uninterruptible power source and a second switch which shunts the uninterruptible power source and the first switch. The first and second switches are circuit breakers having handles which toggle between open and closed positions. The maintenance bypass switch includes an operator which operates the two circuit breakers in opposition with a closed transition so that one switch is always closed. An interlock prevents operation of the maintenance bypass switch when the alternate power source of the uninterruptible power supply is selected by the static transfer switch. An isolation switch between the uninterruptible power source and the commercial power source and also shunted by the second switch of the maintenance bypass switch is open together with the first switch of the maintenance bypass switch when the uninterruptible power source is to be isolated for maintenance.

    Abstract translation: 具有在商用电源和备用电源之间迅速切换的静态转换开关的不间断电源通过具有与不间断电源串联的第一开关的维护旁路开关和从不间断电源分流的第二开关而被去除 电源和第一开关。 第一和第二开关是具有在打开和关闭位置之间切换的手柄的断路器。 维护旁路开关包括操作者,操作者以两个断路器相对操作,其中闭合转换使得一个开关总是闭合。 当通过静态转移开关选择不间断电源的备用电源时,互锁防止维护旁路开关的操作。 当不间断电源要隔离以进行维护时,不间断电源和商用电源之间的隔离开关,并且由维护旁路开关的第二开关分流,与维护旁路开关的第一开关一起打开。

    Polymerized fatty acid polyamide resin dispersions and method for the
manufacture thereof
    27.
    发明授权
    Polymerized fatty acid polyamide resin dispersions and method for the manufacture thereof 失效
    聚合脂肪酸聚酰胺树脂分散体及其制造方法

    公开(公告)号:US5025043A

    公开(公告)日:1991-06-18

    申请号:US464572

    申请日:1990-01-16

    Inventor: George A. Smith

    CPC classification number: C08J3/03 C08L77/08 C09D11/102 C09D177/08 C08J2377/08

    Abstract: A method is provided for the preparation of stable aqueous dispersions of non-solvated, un-neutralized, low amine, low acid number polymerized fatty acid polyamide resins. In the preferred method of this invention, a polymerized fatty acid polyamide resin which has been prepared so as to have a low acid and low amine number is liquified by heating the polyamide resin to a temperature where it is at or above its melting point. The liquified polymerized fatty acid polyamide resin is then blended with a predetermined amount of water which is heated to a temperature such that the resulting blend will have a temperature above the melting point of the polyamide resin. A surfactant which will promote the emulsification of the polyamide resin and water is included in the mixture. The resulting mixture is then subjected to sufficient comminuting forces to form an emulsion in which droplets of the polyamide resin have a volume average size distribution of about 20 microns or less in diameter and preferably 5 microns or less. The resulting emulsion is then cooled to a temperature below the melting point of the polyamide resin causing the emulsified droplets of the polyamide resin to solidify as finely divided particles which are dispersed uniformly through the aqueous phase. The resulting stable aqueous dispersions of the polymerized fatty acid polyamide resin which are obtained are especially useful for hot melted adhesive applications, and when utilized in coatings, inks, and the like.

    Abstract translation: 提供了一种制备非溶剂化,未中和,低胺,低酸值聚合脂肪酸聚酰胺树脂的稳定水分散体的方法。 在本发明的优选方法中,通过将聚酰胺树脂加热到等于或高于其熔点的温度,将已经制备成具有低酸度和低胺值的聚合脂肪酸聚酰胺树脂液化。 然后将液化的聚合脂肪酸聚酰胺树脂与预定量的水混合,加热到一定温度,使得所得共混物的温度高于聚酰胺树脂的熔点。 将促进聚酰胺树脂和水的乳化的表面活性剂包括在混合物中。 然后将所得混合物进行足够的粉碎力以形成乳液,其中聚酰胺树脂的液滴具有直径约20微米或更小,优选5微米或更小的体积平均尺寸分​​布。 然后将所得乳液冷却至低于聚酰胺树脂的熔点的温度,导致聚酰胺树脂的乳化液滴固化成均匀分散在水相中的细碎颗粒。 所获得的聚合脂肪酸聚酰胺树脂的稳定的水分散体特别适用于热熔粘合剂应用,并且当用于涂料,油墨等时。

Patent Agency Ranking