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JP2001009296 |
To obtain a catalyst composition with which a lower isoparaffin can be produced from a synthetic gas while keeping the activity of the catalyst high, and to provide a method for the production of a lower isoparaffin by using this catalys...
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JP2001010984 |
To provide a method for producing acetylene and synthesis gas, capable of obtaining the products with comparatively low consumption of energy.This method for producing acetylene and synthesis gas comprises thermally treating a starting m...
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JP2000319289 |
To obtain the subject compound useful for efficient vitamin D analog synthesis by chlorinating a specific cyclohexane compound with triphosgene in the presence of an organic base followed by reacting the thus produced compound with a dip...
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JP2000191825 |
To recover a high purity styrene monomer by preventing the re- polymerization of the styrene monomer produced by thermal decomposition and removing foreign polymers or the like contained in styrene resin waste. A method for recovering a ...
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JP2000167408 |
To provide a catalyst which is suitable to allow aromatic hydrocarbons having >9 carbon atoms to react and to convert into toluene and aromatic hydrocarbons having 8 carbon atoms move useful as a gasoline base, and which has high activit...
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JP3072010 |
PURPOSE: To facilitate a fitting work of a detector for detecting that a moving body provided with a massage roller reaches the terminal position in a mattress type massaging apparatus. CONSTITUTION: A transferring screw 62 is formed on ...
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JP2000103755 |
To provide a method for recovering a compound existing in a mixture of heavy residual materials.In this method for recovering a compound contained in a mixture of heavy residual materials, including performing reaction/distillation opera...
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JP3047143 |
PURPOSE: To obtain a washing liquid for intestinal canals having effects and easy drinkability comparable to those of a magnesium citrate isotonic aqueous solution without causing the fluctuation in electrolytic balance of patients. CONS...
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JP3041216 |
PURPOSE: To obtain a substrate for a pressure-sensitive adhesive tape which can eliminate the need to use a solvent, and also can easily cope with any of low, medium and high peel strengths. CONSTITUTION: This substrate for a pressure-se...
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JP3036399 |
PURPOSE: To provide the method for producing the subject compound by thermally decomposing dicyclopentadiene in a liquid phase and subsequently subjecting the produced cyclopentadiene to a Diels Alder reaction with butadiene, capable of ...
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JP3022373 |
To enhance energy converting efficiency and to make it possible to achieve the compact configuration at a low-frequency band by setting a driving part and a generating part in two partitioned regions in parallel with the main surface of ...
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JP11286459 |
To obtain the subject compound in high yield by subjecting butenes to the mutual reaction over a metathesis catalyst including a metal compound in the transition group in the element periodic table. In the presence of a metathesis cataly...
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JP11263982 |
To provide an operation controlling device capable of reducing load of an operator in a start up/shut down operation performed in the case that a single reactor is removed from or placed into the system when there are plural reactors in ...
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JP11255674 |
To obtain lower oelfins such as ethylene, propylene and the like in high selectivity at lower temperatures with industrial advantage by catalytically cracking hydrocarbon feedstock over a catalyst mainly containing specific silicon dioxi...
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JP11253807 |
To suppress production of by-products by depositing rare earth elements in a specified range of the atomic ratio to aluminum in an aluminosilicate and controlling the specific retention volume of ethylene in a unit surface area of the al...
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JP11246446 |
To stabilize a catalyst toward steam and gaseous carbon dioxide, suppress the production of a by-product such as heavy substances and produce the subject compound advantageously to energy cost by catalytically cracking a specific hydroca...
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JP11246445 |
To provide a process for producing propylene that uses olefins of relatively low value in the oil refineries or petrochemical plants as the feedstock for catalytic conversion of olefins to lighter olefins particularly to propylene. In th...
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JP11193250 |
To optimize the reaction conditions and the constitution of products, increase the ethylene yield and attain the cost reduction by applying a new process using a plurality of hydrocarbons as feedstocks. A plurality of hydrocarbons differ...
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JP11180902 |
To suppress the formation of a by-product at an industrially advantageous low temperature and efficiently produce the objective compound in high selectivity by using a catalyst containing a specific amount of a rare earth element support...
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JP11158086 |
To provide a method for controlling the viscosity of a quenching oil. This method for controlling the viscosity of a quenching oil comprises a step for introducing a vapor stream into the bottom of a pyrolytic rectifying column, a step f...
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JP11139998 |
To provide a method for producing a dialkylnaphthalene from a petroleum-based raw material existing in a large amount. This method for producing a dialkylnaphthalene comprises (1) a process for catalytically hydrogenating and dealkylatin...
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JP11130904 |
To facilitate the storage or transport of used formed polystyrene resin aticles occurring at electric home appliance stores or supermarkets, to enable the production of recycled polystyrene resin articles, and to enable the effective the...
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JP11070334 |
To provide a catalyst for converting efficiently aromatic hydrocarbon in an aromatic hydrocarbon containing raw material and also provide an aromatic conversion process using the catalyst. The secondary particle diameter of zeolite in a ...
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JP11057481 |
To exhibit excellent catalytic function to conversion reaction of an arom. hydrocarbon by incorporating a specified crystalline aluminosilicate zeolite, metal bismuth or its oxide supported on a specified zeolite, a specified metal or it...
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JP11049704 |
To efficiently obtain the subject gas that is useful for increasing the calorie of town gas through a simple one-step process by bringing saturated hydrocarbons into contact with a specific metal catalyst supported on a carrier in the pr...
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JP11049703 |
To efficiently obtain the subject gas that is useful for increasing the calorie of town gas through a simple one-step process by bringing saturated lower hydrocarbons into contact with an Ni catalyst supported on a carrier in the presenc...
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JP11049705 |
To obtain a lower olefin that is useful as a basic raw material for a variety of chemicals by catalytically decomposing a hydrocarbon raw material using a catalyst of a rare earth element oxide in the presence of oxygen as the formation ...
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JP11035947 |
To reduce production costs substantially and enhance international competitiveness by specifying the number of flow of gas fluid at the inlet of a super heat zone of a thermal cracking furnace, making the number of flow at the outlet sma...
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JP11029776 |
To improve the coking resistance and carburization resistance of a reaction pipe in a pyrolysis oven for preparation of ethylene. This reaction pipe comprises a high Ni-Cr-base heat-resistant alloy comprising 1.5 to 4 wt.% Si and/or 1 to...
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JP11029775 |
To provide a reaction pipe in a pyrolysis oven for preparation of ethylene which has enhanced caking resistance and carburization resistance and in addition has reduced decoking frequency and improved service life. This reaction pipe 2 i...
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JP10298345 |
To provide a method for treating waste expanded polystyrene, designed to transform such a waste into styrene monomer at a low cost using a small amount of solvent without the need of solvent separation by dissolving the waste expanded po...
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JP10279507 |
To provide a method for enabling decoking of an apparatus and thermal cracking of a prepared hydrocarbon raw material without stopping the apparatus. Ethane, water and decoking steam are maintained at 900°C in a steam cracking reactor 3...
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JP2838195 |
To obtain a butane hydrocracking catalyst having high activity and good selectivity by depositing platinum on a synthetic smectite having a specified chemical composition and property. A synthetic smectite expressed by a general formula,...
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JP10251170 |
To provide a method of suppressing the formation of coke on a heat transfer surface to be used for cooling or heating a petroleum feedstock under the coke formation conditions. In order to inhibit the formation of coke on a heat transfer...
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JP10236819 |
To provide a zeolite IM-5 having good thermal stability which is useful as a catalyst for a hydrocarbon conversion method by removing aluminum from a zeolite IM-5 which is contains silicon and at least one element selected from aluminum,...
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JP10151351 |
To reduce the rate of formation of coke during the conversion of nonarom. hydrocarbon into arom. hydrocarbon and olefin by using a catalytic compsn. contg. acid-leached zeolite treated with a silylating agent. When nonarom. hydrocarbon i...
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JP10147543 |
To provide a method for aromatization of hydrocarbons while reducing the rate of formation of cork that deposits on catalyst surfaces by adding a silylating agent of a specific concentration into a fed-material flow of hydrocarbons in th...
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JP10139695 |
To obtain the subject compound useful as an intermediate for various chemicals in high yield and selectivity by reacting diphenylethane with hydrogen and water in the presence of a metallic catalyst or a metal oxide catalyst. The objecti...
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JP10071334 |
To provide a catalyst which effectively dealkylates ethyl toluene contained in 9C alkyl aromatic hydrocarbon into toluene and obtains xylene at a high yield by transalkylation including disproportionation of toluene or trimethyl benzene ...
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JP10060571 |
To produce a nickel base alloy with increasing strength upon use. This alloy has the compsn. contg., as essential components about 0.06 to 0.14% carbon, 35 to 46% nickel, 22.5 to 26.5% chromium, 0 to 1.5% manganese, 0.5 to 2% silicon, 0....
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JP09291046 |
To obtain the subject two compounds in extremely high yield and high selectivity while suppressing unnecessary consecutive reaction or decomposition reaction, etc., by thermally decomposing a polystyrene under a specific condition. Therm...
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JP09267038 |
To obtain a butane hydrocracking catalyst having high activity and good selectivity by depositing platinum on a synthetic smectite having a specified chemical composition and property. A synthetic smectite expressed by a general formula,...
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JP09225312 |
To provide a catalyst of a new kind converting a 9 or more C heavy aromatic compd. to a light aromatic compd. and still more increased in activity forming BTX and stability. This catalyst is constituted of a carrier consisting of 30-70wt...
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JP09220473 |
To obtain a catalyst for hydrocracking of polycyclic arom. hydrocarbon as a catalyst having high activity to hydro-desulfurization of thiophene and to provide methods for hydrocracking polycyclic arom. hydrocarbon and hydro-desulfurizing...
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JP09217068 |
To provide a thermal cracking pipe for hydrocarbons, high in yield of an olefin, hardly having deposition of coke into the pipe, long in period capable of continuously operating and capable of improving operation rate of the whole therma...
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JP2644697 |
PURPOSE: To obtain isobutylene useful as a raw material for a butyl rubber, etc., from an unused fraction, etc., as raw materials from a petroleum refining plant under mild conditions in high selectivity, by treating a paraffin in the pr...
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JP09087211 |
To provide a new method for producing β-methylnaphthalene in high yield from readily available, inexpensive feedstock oil in order to provide large quantities of inexpensive, high-purity β-methylnaphthalene usable as an industrial feed...
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JP09048982 |
To efficiently and economically remove nitrogenous compounds from a decomposed oil of waste plastics to prepare a refined oil by treating the decomposed oil with sulfuric acid. A cracked oil that is a decomposition product of waste plast...
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JP09048983 |
To efficiently and economically decompose/remove nitrogenous compounds and/or chlorinated compounds from a decomposed oil of waste plastics to prepare a refined oil by hydrogenating the decomposed oil in the presence of a catalyst. A dec...
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JP09048981 |
To efficiently and economically decompose/remove nitrogenous compounds and/or chlorinated compounds from a decomposed oil of waste plastics to prepare a refined oil by treating the decomposed oil with steam in the presence of a catalyst....
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