Abstract: A contaminated Group III metal hydrocarbon is purified by providing an adduct of Group III metal hydrocarbon with a Lewis base in a solvent having a boiling point which is up to 200° C., but at least 30° C. higher than the boiling point of the Group III metal hydrocarbon, separating the solvent from the adduct, and heating the adduct for thermal dissociation, thereby releasing the Group III metal hydrocarbon in high purity form.

Abstract: An image forming apparatus includes a toner forced discharge treatment for executing a toner discharge mode in which toner inside a developing device is forcedly consumed, and a toner discharge judgment treatment capable of judging necessity of execution of the toner discharge mode based on a decision as to whether or not a toner state inside the developing device is in a state of leading to an image quality defect. Further, the apparatus includes a toner forced supply treatment for executing a toner supply mode in which new toner is supplied from a toner replenishment device to the developing device in addition to execution of the toner discharge mode.

Abstract: A fuel injection valve protecting apparatus for an LPG injection type engine operates when an excessive current passes through the fuel injection valve, or when an abnormality of the fuel injection valve occurs. An electrical fuse is inserted in a driving current supply line of the fuel injection valve. An electronic control apparatus has an abnormality diagnostic unit to detect any abnormality of the fuel injection valve by monitoring a check signal sent back from a fuel injection valve driving circuit, to thereby close a fuel shutoff valve and shut off the liquefied petroleum gas. Relief valves are connected in parallel between a petroleum gas supply line and an intake manifold so as to directly discharge any petroleum gas in the petroleum gas supply line into the intake manifold when the pressure difference between the petroleum gas supply line and the intake manifold reaches a set differential pressure.

Abstract: High-purity trimethylaluminum has the following impurity contents: organosilicon components?0.5 ppm, chlorine components?20 ppm, hydrocarbon components?1,000 ppm, Ca?0.05 ppm, Fe?0.05 ppm, Mg?0.05 ppm, Na?0.05 ppm, Si (Si components other than the organosilicon components)?0.07 ppm, Zn?0.05 ppm, and S?0.05 ppm. The high-purity trimethylaluminum can be obtained by removing impurities from crude trimethylaluminum through distillation and evaporation.

Abstract: A method of purifying an organometallic compound comprising distilling the organometallic compound for purification while blowing an inert gas through a vapor of the organopolysiloxane, thereby removing from the organometallic compound an impurity having a higher vapor pressure than the organometallic compound.

Abstract: In an image forming device comprising an image forming part forming an image on a recording sheet, a sheet ejection part provided above the image forming part and stacking the recording sheet on which the image is formed by the image forming part, and an image reading part provided above the sheet ejection part and reading an image of an original document, the sheet ejection part is provided with a cover which is capable of being opened or closed to the sheet ejection part.

Abstract: Trialkylgallium is prepared by reacting a gallium halide or alkyl gallium with trialkylaluminum in a solvent having a boiling point which is at least 10° C. higher than the boiling point of the trialkylgallium, such as mesitylene or o-dichlorobenzene. High purity alkyl gallium is obtained in high yields.

Abstract: In the process for producing a cyclododecanone by isomerizing an epoxycyclododecane-containing starting material in the presence of an isomerization reaction catalyst containing lithium bromide and/or lithium iodide, in order to perform the reaction with high efficiency (high reaction rate) and high selectivity and stably produce a high-purity cyclododecanone in industry while maintaining a high-level reaction rate, the epoxycyclododecane-containing starting material is produced by contacting an epoxycyclododecadiene with hydrogen in the presence of a hydrogen-reduction catalyst and has a content of the hydroxyl group-containing cyclododecane compounds contained in the epoxycyclododecane-containing starting material controlled to 5 mol % or less.

Abstract: An alkyl nitrite is produced with high efficiency by bringing a nitrogen monoxide gas into contact with an aqueous solution of an alkyl alcohol and nitric acid in a reactor 2, which aqueous solution may be a liquid fraction generated in an alkyl nitrite-production process in which an alkyl alcohol is reacted with nitrogen monoxide and oxygen in a reaction column 1.

Abstract: An alkyl nitrite is produced with high efficiency by bringing a nitrogen monoxide gas into contact with an aqueous solution of an alkyl alcohol and nitric acid in a reactor 2, which aqueous solution may be a liquid fraction generated in an alkyl nitrite-production process in which an alkyl alcohol is reacted with nitrogen monoxide and oxygen in a reaction column 1.

Abstract: A contaminated Group III metal hydrocarbon is purified by providing an adduct of Group III metal hydrocarbon with a Lewis base in a solvent having a boiling point which is up to 200° C., but at least 30° C. higher than the boiling point of the Group III metal hydrocarbon, separating the solvent from the adduct, and heating the adduct for thermal dissociation, thereby releasing the Group III metal hydrocarbon in high purity form.

Abstract: An intermediate product carrying apparatus is provided for loading a carrier, which is carried between a plurality of process systems and stores a plurality of intermediate products, into the corresponding process system, and then transferring the plurality of intermediate products of the carrier to a single wafer carrying conveyer, which carries the intermediate products in a single wafer state to an intermediate product manufacturing apparatus provided in the process system. The intermediate product carrying apparatus comprising: an intermediate product transfer means provided in the process system, for loading the carrier, which is carried between process systems and which stores the plurality of intermediate products, into the corresponding process system, and transferring the intermediate products.

Abstract: A transferring apparatus is provided between a plurality of carrying apparatuses, each carrying apparatus comprising support means for supporting carried products Wf, guide means for controlling the moving direction of the support means, the guide means being provided along processing apparatuses for processing the carried products Wf, and moving means for moving the support means along the guide means. The transferring apparatus includes synchronization control means for synchronizing the moving means of the one carrying apparatus with the moving means of the other carrying apparatus; and at least one hand-over means for receiving the carried products Wf from the support means of the one carrying apparatus and handing over the carried products Wf to the support means of the other carrying apparatus.

Abstract: A fuel injection valve protecting apparatus in an LPG injection type engine is disclosed which operates when an excessive current passes through a fuel injection valve, or when an abnormality of the fuel injection valve occurs. Also disclosed is a fuel pressure increase preventing apparatus which can release an excessive pressure of petroleum gas so as to avoid a failure in parts of the engine and an engine malfunction. An electrical fuse is inserted in a driving current supply line of a fuel injection valve. An electronic control apparatus has an abnormality diagnostic means incorporated therein to detect an abnormality of the fuel injection valve by monitoring a check signal sent back from a fuel injection valve driving circuit, to thereby close a fuel shutoff valve and shut off the liquefied petroleum gas supplied to a vaporizer from a liquefied petroleum gas cylinder as appropriate.

Abstract: An intermediate product transferring apparatus is provided for transferring an intermediate product W between a single-wafer carrying line for carrying the intermediate product W in a single-wafer manner and a manufacturing apparatus for manufacturing the intermediate product W includes a transferring robot for transferring the intermediate product W between the single-wafer carrying line and the manufacturing apparatus; and a buffer for temporarily storing the intermediate product W which is transferred from the single-wafer carrying line by the transferring robot or the intermediate product W which is processed by the manufacturing apparatus.

Abstract: A wafer carrying apparatus 20 for carrying intermediate products comprises: a conveyer 40 for carrying the intermediate products in the carrying direction; and a plurality of platforms 41 arranged in the conveyer 40 along the carrying direction of the intermediate products on the conveyer 40, each platform 41 being capable of mounting at least one intermediate product at a position in a direction crossing the carrying direction of the intermediate products on the conveyer 40.

Abstract: A manufacturing apparatus is provided comprising: inter-process carrying means for carrying a container between the process modules in a container unit, the container being capable of storing a plurality of intermediate products therein; intra-process carrying means for removing the intermediate products from the container and carrying the intermediate products within each process module in a single product state; and a plurality of processing means for performing the plurality of processes, respectively, within each process module, wherein the plurality of processing means are arranged substantially in the carrying direction of the intermediate products in accordance with the order of processes to be performed on the intermediate products, without arranging a plurality of processing means for performing the same kinds of processes on the intermediate products in a group.

Abstract: The present invention is to provide a thin miniaturized reactor for chemical reaction with effective use of heat. The reactor has paired channels formed on a substrate such that the channels extend close to and along each other and are provided with a heat exchanger for efficient heat exchange between the channels. The reactor is produced by forming on substrates the paired channels and heat exchanger and then bonding the substrates together. This manufacturing method is simple and reduces steps.

Abstract: In the process for producing a cyclododecanone by isomerizing an epoxycyclododecane-containing starting material in the presence of an isomerization reaction catalyst containing lithium bromide and/or lithium iodide, in order to perform the reaction with high efficiency (high reaction rate) and high selectivity and stably produce a high-purity cyclododecanone in industry while maintaining a high-level reaction rate, the epoxycyclododecane-containing starting material is produced by contacting an epoxycyclododecadiene with hydrogen in the presence of a hydrogen-reduction catalyst and has a content of the hydroxyl group-containing cyclododecane compounds contained in the epoxycyclododecane-containing starting material controlled to 5 mol % or less.

Abstract: A developing device for feeding a developer stored therein to an image carrier of the present invention includes a sleeve facing the image carrier for causing the developer deposited thereon to contact a latent image formed on the image carrier. A regulating member faces the sleeve for regulating the thickness of the developer that forms a layer on the sleeve. A guide member has a guide surface for guiding the developer regulated by the regulating member toward the surface of the image carrier. The guide surface has a conductive surface facing the sleeve. The developing device protects the image carrier from defective images ascribable to impurities, which include deteriorated toner and paper dust, without resorting to a filter mechanism or a bias for collection.