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    • 5. 发明授权
    • Sampler-injector for liquid chromatography
    • 液相色谱采样器
    • US3918913A
    • 1975-11-11
    • US52860774
    • 1974-12-02
    • LILLY CO ELI
    • STEVENSON CHARLES ECOFFEY HENRY F
    • G01N35/10G01N1/00G01N30/24G01N1/14
    • G01N35/1097G01N30/24Y10T436/11
    • An automatic sampler-injector for use in liquid chromatographic analytical procedures is described which comprises in combination, A: (1) a cylinder closed on one end, and (2) a stopper for said cylinder, said stopper having an outside diameter slightly greater than the inside diameter of said cylinder and adapted for insertion in the open end thereof; and B: (1) a means for positioning said cylinder with said stopper in place therein beneath the point of a hollow needle, (2) an annular collar disposed around said needle at a sufficient distance from the point thereof to permit said point to penetrate said stopper, said collar having an outside diameter less than the inside diameter of said cylinder, (3) means for reciprocally moving said needle down and up in a vertical plane, (4) a conduit leading from said needle to a multiple inlet port valving means having a core with passageways communicating with said ports, (5) a closed sampling loop connected to two ports of said valving means, (6) means adapted to automatically position said valving means so that said sampling loop can first receive a sample for injection into a liquid chromatographic column and second to discharge such a sample into said chromatograph, and (7) means to effect the discharge of the contents of said sampling loop into said liquid chromatographic column.
    • 描述了一种用于液相色谱分析程序的自动进样器 - 注射器,其组合包括:(1)一端闭合的气缸,和(2)用于所述气缸的止动器,所述止动件的外径略大于 所述气缸的内径适于在其开口端插入; 和B:(1)一种用于将所述气缸与所述止动器定位在中空针的点下方的装置,(2)围绕所述针头设置的环形套圈,距离其点足够的距离,以允许所述点穿透 所述止动件,所述轴环的外径小于所述气缸的内径,(3)用于使所述针在垂直平面中往复运动的装置,(4)从所述针导向多个入口阀门的导管 具有通道与所述端口连通的芯的装置,(5)连接到所述阀装置的两个端口的闭合采样回路,(6)适于自动定位所述阀装置的装置,使得所述采样回路可以首先接收用于注入的样品 进入液相色谱柱,其次将这样的样品排放到所述色谱仪中,和(7)意味着将所述取样环的内容物排放到所述液相色谱柱中。
    • 6. 发明授权
    • Substituted sulfanilyl sulfilimine compounds as herbicides
    • 取代的磺胺基亚硫酰亚胺化合物作为除草剂
    • US3909235A
    • 1975-09-30
    • US37903573
    • 1973-07-13
    • LILLY CO ELI
    • BECK JAMES R
    • C07D333/46A01N9/12
    • C07D333/46
    • The present invention is directed to novel compounds of the formula

      which compounds are useful as herbicides. In the above and succeeding formulae herein, R1 represents hydrogen or R2, and each R2 independently represents loweralkyl of C1-C4, loweralkenyl of C3-C4, loweralkynyl of C3-C4, or radical of the formula -CH2-CH2-CH2-nY wherein n represents 0 or 1, and Y represents methoxy, cyano, bromo, or chloro, subject to the limitation that the groups represented by R1 and R2 together contain from 2 to 8, both inclusive, carbon atoms; and each R3 is taken separately and independently represents loweralkyl of C1-C3 or phenyl, subject to the limitation that both R3 groups together, do not contain more than 8 carbon atoms, or both R3 groups are taken together, and represent a divalent radical selected from the group consisting of -CH2-2-0 -CH2-2 and -CH2-q wherein q represents 4, 5, or 6.
    • 本发明涉及式NO2 | R1R3 ANGLEN-SO2-N = S ANGLE R2R3 | NO2的新化合物,该化合物可用作除草剂。 在上述和后面的公式中,R 1表示氢或R 2,每个R 2独立地表示C 1 -C 4的低级烷基,C 3 -C 4的低级链烯基,C 3 -C 4的低级炔基或式-CH 2 -CH 2 -CH 2 -YY的基团 其中n表示0或1,Y表示甲氧基,氰基,溴或氯,但受限于由R1和R2表示的基团一起含有2至8个碳原子; 并且每个R 3独立地并且独立地代表C 1 -C 3或苯基的低级烷基,但受限于两个R 3基团一起不包含多于8个碳原子,或两个R 3基团一起并且表示选自二价基团 由-CH2-2-0 -CH2-2和-CH2-q组成的组,其中q表示4,5或6。