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    • 35. 发明授权
    • Process for the preparation of 2-halogeno-5-cyano pyridines
    • 2-卤代-5-氰基吡啶的制备方法
    • US5459273A
    • 1995-10-17
    • US207734
    • 1994-03-08
    • Helmut KrausHans-Joachim Traenckner
    • Helmut KrausHans-Joachim Traenckner
    • C07D213/85C07D413/04C07D213/09C07D213/84
    • C07D213/85
    • The title compounds of the formula ##STR1## can be prepared by reacting methylene-glutaconic acid dinitriles of the formulaR.sup.1 --CH.dbd.C(CN)--CH'CH--CN (II)with hydrogen halide of the formulaHX (III)In these formulae,X denotes fluorine, chlorine, bromine or iodine andR.sup.1 denotes --OR.sup.2 or --N(R.sup.2, R.sup.3),in which R.sup.2 and R.sup.3, independently of one another, represent straight-chain or branched C.sub.1 -C.sub.8 -alkyl, C.sub.3 -C.sub.8 -alkenyl, C.sub.2 -C.sub.8 -alkoxyalkyl, C.sub.4 -C.sub.8 -alkoxyalkenyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.6 -C.sub.12 -aryl, C.sub.7 -C.sub.10 -aralkyl or a 5- to 8-membered saturated or unsaturated heterocyclic ring containing 1 or 2 heteroatoms from the group comprising N, O and S, where R.sup.2 and R.sup.3, with the N atom on which they are substituents, may also form a 5- to 8-membered ring which may contain a further heteroatom from the group comprising N, O and S.
    • 式(I)的标题化合物可以通过使式R 1 -CH = C(CN)-CH'CH-CN(II)的亚甲基 - 戊二酸二腈与式HX的卤化氢 III)在这些式中,X表示氟,氯,溴或碘,R1表示-OR2或-N(R2,R3),其中R2和R3彼此独立地表示直链或支链C1-C8- 烷基,C 3 -C 8 - 烯基,C 2 -C 8 - 烷氧基烷基,C 4 -C 8 - 烷氧基烯基,C 3 -C 8 - 环烷基,C 6 -C 12 - 芳基,C 7 -C 10 - 芳烷基或5-至8-元饱和或不饱和杂环 含有1或2个来自N,O和S的杂原子,其中R2和R3与它们是取代基的N原子也可以形成5-8元环,其可以含有来自基团的另外的杂原子 包括N,O和S.
    • 37. 发明授权
    • Liquid jet recorder
    • 液体喷射记录仪
    • US3975740A
    • 1976-08-17
    • US511032
    • 1974-09-30
    • Walter DistlerHelmut KrausChristian SchwarzOskar Schmidt
    • Walter DistlerHelmut KrausChristian SchwarzOskar Schmidt
    • B41J2/145G01D15/18B41J3/04
    • B41J2/145
    • A liquid jet recorder having a jet ejecting arrangement, and which is connected to a pressure medium conduit for the jet-like ejection of an electrically-conductive recording liquid against a spot on a recording carrier. The liquid ejecting arrangement consists of a plurality of jet nozzles wich are jointly supplied from a common pump, which are so directed that the liquid jets ejected therefrom impinge directly adjacent each other against the recording carrier, and the liquid jets from all nozzles penetrate through a common control electrode. The number of jet nozzles in the inventive liquid jet recorder is coordinated with the desired image results and with the desired recording velocity.
    • 一种具有喷射喷射装置的液体喷射记录器,其连接到压力介质导管,用于喷射状喷射导电记录液体抵靠记录载体上的一个点。 液体喷射装置由多个喷嘴组成,这些喷嘴由共同的泵共同提供,它们被引导为使得喷射的液体射流直接相邻地抵接在记录载体上,并且来自所有喷嘴的液体射流穿过一个 通用控制电极。 本发明的液体喷射记录器中的喷嘴的数量与期望的图像结果和期望的记录速度协调。
    • 38. 发明授权
    • Liquid jet recorder
    • 液体喷射记录仪
    • US3945021A
    • 1976-03-16
    • US511030
    • 1974-09-30
    • Helmut KrausSiegfried Wiesmuller
    • Helmut KrausSiegfried Wiesmuller
    • B41J2/175B41J2/20G01D15/18B41J3/04
    • B41J2/20B41J2/175
    • A liquid jet recorder having at least one jet nozzle which is connected to a pressure means conduit for the ejection of an electrically-conductive recording liquid onto a recording carrier; having at least one control electrode encompassing the liquid jet which is disintegrating into drops, which is formed of porous material which communicates with a suction conduit for the recording liquid; and a signal source adapted to be switched between the control electrode and the liquid jet for charging of the drops so that the latter mutually repel each other and disintegrate into a vapor cloud adapted to be aspirated into the control electrode. The recorder includes a suction pump, including circuitry which will activate the suction pump prior to the commencement of a recording. In the liquid jet recorder, any possible residues of the recording liquid adhering to the control electrode are aspirated prior to commencement of a recording. Thus, any dirtying of the recording carrier by means of such residues is no longer possible. Delay means may be provided in the novel circuitry whereby, after completion of a recording sequence, the residues of the recording liquid on the control electrode are collected so as to prevent the dirtying of the recording carrier.
    • 一种具有至少一个喷嘴的液体喷射记录器,其连接到用于将导电记录液体喷射到记录载体上的压力装置导管; 具有至少一个控制电极,其包围分解成液滴的液体射流,该液滴由与用于记录液体的吸入管道连通的多孔材料形成; 以及适于在控制电极和液体射流之间切换的信号源,用于对液滴充电,使得后者相互排斥并分解成适于吸入控制电极的蒸气云。 记录器包括抽吸泵,其包括将在记录开始之前激活抽吸泵的电路。 在液体喷射记录器中,在开始记录之前,吸附粘附到控制电极的记录液体的任何可能的残留物。 因此,通过这种残留物对记录载体的任何污染都不再可能。 可以在新颖的电路中提供延迟装置,由此在完成记录顺序之后,收集控制电极上的记录液体的残留物,以防止记录载体的脏污。