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JPS6042228A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6040194A |
A method for modifying the catalytic activity of a crystalline zeolite having a constraint index of 1 to 12 and a silica-to-alumina ratio of 30 to no greater than 300, comprises contacting said zeolite with gaseous boron trifluoride unde...
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JPS6016812A |
The present invention relates to crystalline gallosilicates having a mordenite type structure, to methods of preparing the same, and the use thereof as catalysts in hydrocarbon conversion reactions. The gallosilicates have different acid...
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JPS607943A |
The present invention relates to a new method for preparing a composition comprised of a crystalline zeolite having deposited thereon a coating of silica which extensively covers and resides substantially exclusively on the external surf...
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JPS59199524A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS5945652B2 |
1473936 p-Diethylbenzene UOP Inc 9 Aug 1974 [10 Aug 1973] 35160/74 Heading C5E p-Diethylbenzene is separated from a mixed feed comprising benzene, ethylbenzene, diethylbenzenes and polyethylbenzenes by a process comprising : (a) separati...
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JPS59176219A |
PURPOSE: To carry out the catalyst dewaxing, etc. of a light oil fraction, or lubricant fraction, easily and economically, by using a crystalline aluminosilicate having a specific crystal structure, high molecular-shape selectivity and c...
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JPS59163328A |
PURPOSE: To convert trimethylbenzene to an aromatic compound having high added value, by using a catalyst comprising a smectite clay interlaminar compound having a specific interlaminar spacing and containing the oxide of a metal of the ...
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JPS5936606B2 |
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JPS59137425A |
A process for converting an alcohol and/or other to olefinic product employs a zeolite catalyst modified by meta inclusion using a liquid non-aqueous solvent to incorporate the metal into the zeolite.
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JPS59136138A |
A process is provided for reactivating a catalyst composition comprising a crystalline zeolite material having a silicon/aluminum atomic ratio of at least about 2, said catalyst composition having been deactivated by contact with steam. ...
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JPS59136137A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS59102814A |
The alkali metal content of zeolite ZSM-11 in its as-synthesized form is reduced by crystallizing the zeolite from a solution containing a source of benzyltrimethyl ammonium ions.
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JPS5915695B2 |
A method of stabilizing a catalyst for the conversion of aromatic hydrocarbons in the presence of hydrogen such as the isomerization of C8 aromatic hydrocarbons to increase the content of p-xylene, is carried out by contacting a catalyst...
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JPS5946138A |
PURPOSE: To obtain the titled catalyst capable of holding an acid point stronger than that of hydrogen-exchanged mordenite and keeping its activity stably for a long time, by bonding a fluorine atom to the Al atom of aluminosilicate zeol...
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JPS5910257B2 |
A process for the conversion of aromatic hydrocarbons, e.g., reacting an alkylating agent, preferably an olefin, with an aromatic hydrocarbon. The process uses a novel catalyst prepared by subjecting alumina to an anhydrous tetravalent t...
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JPS596248B2 |
The invention relates to a method for preparing a crystalline aluminosilicate having a high silica to alumina molar ratio and an X-ray diffraction pattern substantially the same as that of ZSM-5 zeolite which method comprises mixing a so...
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JPS5910346A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS591430A |
PURPOSE: To obtain a mixture containing propylene and butene in good conversion ratio and selectivity ratio, by heating an ethylene-containing gas in the presence of H2 at a specific temperature using a tungsten oxide catalyst supported ...
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JPS58180235A |
PURPOSE: To obtain a catalyst high in activity and long in life and capable of catalyzing alkylation, by allowing an inorganic compd. having hydroxyl groups on the surface to carry aluminum halide, and then, heating it to a temp. for vap...
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JPS58170544A |
A method is provided for treating modified ZSM-5 type zeolite catalysts with a vapor phase organophosphorus reagent such as trimethylphosphite or dimethylmethylphosphonate in order to improve the para-selective properties of such catalys...
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JPS5843373B2 |
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JPS58159430A |
PURPOSE: To obtain a 1,4-dialkylbenzene compound in high selectivity, by alkylating, transalkylating or disproportionating an aromatic compound in the presence of a crystalline zeolite modified with a rare earth compound or tellurium com...
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JPS5838410B2 |
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JPS58126818A |
The present invention relates to a process for the disproportionation of n-olefins comprising contacting the olefin feed with a catalyst composition comprising molybdenum oxide or tungsten oxide supported on silica. The catalyst composit...
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JPS58118523A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS5830293B2 |
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JPS5829312B2 |
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JPS58104994A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS5812260B2 |
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JPS5836636A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS588896B2 |
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JPS588378B2 |
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JPS587616B2 |
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JPS5813694A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS582207B1 |
1357632 Disproportionating olefins SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 6 March 1972 [22 Feb 1971] 5107/71 Heading C5E Process for the manufacture of a mixture of normal mono-olefins having a number of carbon atoms per molecule ...
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JPS586244A |
A process is provided for modifying ZSM-5 type zeolite catalysts with carbon dioxide treating agent in order to enhance the para-selective properties of such catalysts for the conversion of aromatic materials to dialkyl-substituted benze...
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JPS581045B2 |
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JPS57203019A |
PURPOSE: To obtain xylene in high conversion with improved catalytic activity at a relatively low temperature and a long catalytic life in bringing toluene in the vapor phase into contact with a transmethylating agent, by using a catalys...
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JPS57187037A |
Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a catalyst composite comprising a silica polymorph consisting of crystalline silica, said silica polymorph after calcination in air at 600 DEG C. for...
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JPS5745726B2 |
1488571 Styrene MONSANTO CO 2 Jan 1975 [2 Jan 1974] 50/75 Heading C5E Styrene is prepared by (a) dehydrocoupling toluene in the vapour phase in the presence of a solid metal oxide at 500-650 C., (b) separating the dehydrocoupling efflu...
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JPS57128640A |
PURPOSE: To prepare the titled compound in a short time, by carrying out the continuous transalkylation reaction of biphenyl with an ethylbenzene compound at a specific molar ratio in the presence of a Friedel-Crafts catalyst, using a re...
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JPS57123817A |
New zeolite materials designated Nu-6(1) and Nu-6(2), having molar compositions expressed by the formula: 0.5 to 1.5 R2O:Y2O3:at least 10 XO2:0 to 2000 H2O wherein R is a monovalent cation or 1/n of a cation of valency n, X is silicon, a...
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JPS5734816B2 |
A process for preparing esters and halides is disclosed comprising the step of reacting a cyclic olefin having the formula I (I) wherein R1 and R4 are the same or different from each other and each represents hydrogen, methyl, or ethyl; ...
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JPS5734808B2 |
A C8 aromatic hydrocarbon mixture which typically may consist essentially of xylenes and ethylbenzene, the latter being present in an amount of not more than 40 weight percent, is converted to a product containing an increased proportion...
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JPS5731458B2 |
A method of making a catalytic composition of improved activity, which comprises subjecting a zeolite to the crystal structure of the mordenite, and containing less than about 5% by weight of sodium as na2o, to an aqueous ammoniacal trea...
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JPS5728419B2 |
There is disclosed a new process for ring-opening polymerization of cycloolefins by the use of a catalyst comprising (A) tungsten or molybdenum halides, (B) alkyl aluminum halides and (C) an alcohol which may optionally contain a halogen...
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JPS5794346A |
PURPOSE: To obtain a hydrophobic catalyst of high activity by mixing polytetrafluoroethylene and polycarbomonofluoride in an aqueous dispersion state then granulating, stretching and baking the mixture and depositing catalyst components ...
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JPS5726631B2 |
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JPS5725564B2 |
There is disclosed a new process for ring-opening polymerization of cycloolefins by the use of a catalyst comprising (A) tungsten or molybdenum halides, (B) alkyl aluminum halides and (C) an alcohol which has a nitrile substituent. Also ...
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