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JPS54151922A |
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JPS5439350B1 |
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JPS54145618A |
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JPS54145619A |
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JPS5429426B2 |
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JPS5422431B2 |
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JPS5414087B1 |
A process for converting an alpha olefin to an organic carboxylic acid having one less carbon than the olefin which involves subjecting the alpha olefin to metathesis conditions to obtain an internal olefin having two less than twice the...
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JPS5439026A |
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JPS5439027A |
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JPS5417389A |
A process and a catalyst composition to effect hydrocarbon transformations comprising contacting a hydrocarbon charge with a catalyst comprising a fluorinated graphite having a fluorine to carbon atomic ratio of from about 0.1 to 1 and h...
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JPS53137893A |
A process for the redispersal or dispersal of a platinum group metal in a catalyst comprising an oxidized platinum group metal component and a refactory inorganic support comprises the steps of treating the oxidized catalyst with a strea...
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JPS5341657B2 |
Mixtures of C8 aromatic hydrocarbons are contacted in liquid phase with acid zeolite ZSM-5, zeolite ZSM-12 or ZSM-21. The xylene content is thereby isomerized and the ethyl benzene content of the charge is converted in a manner which fac...
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JPS53116353A |
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JPS5335041B1 |
1,125,529. Olefin metathesis reactions. GOODYEAR TIRE & RUBBER CO. 4 April, 1967 [11 May, 1966; 18 Jan., 1967], No. 15395/67. Heading C5E. Olefin metathesis reactions are carried out by contact with a catalyst which is either (I) a mixtu...
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JPS5395923A |
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JPS5328882B2 |
Isopentene is produced in a high yield by a method wherein disproportionation of a hydrocarbon mixture containing n-butene and isobutene is carried out by bringing, at 200 DEG to 350 DEG C, the hydrocarbon mixture into contact with a com...
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JPS5328890B2 |
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JPS5328401B1 |
Olefins are disproportionated in the presence of a novel catalyst composition comprising (a) a conventional olefin disproportionation catalyst, (b) a Group IIIa metal, Group IIIa metal compound or mixtures thereof and (c) a carrier of at...
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JPS5327242B1 |
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JPS5384924A |
PURPOSE: To disproportionate alkyl aromatic hydrocarbons conveniently on an industrial scale by contacting with trifluoromethane sulfonic acid sued as a disproportionation catalyst.
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JPS5323805B2 |
Isopentene is produced in a high yield by the method wherein a hydrocarbon mixture containing isobutene and n-butene is brought into contact with a catalyst which has been prepared by depositing a molybdenum compound and at least one add...
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JPS5323801B2 |
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JPS5320015B2 |
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JPS5358984A |
A method of manufacture providing a catalytic composite of improved activity is disclosed. A zeolite of the mordenite crystal structure, with a sodium content of less than about 5 wt. % as Na2O, is subjected to an aqueous ammoniacal trea...
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JPS5350084A |
Process for manufacturing a catalyst for hydrocarbon conversion consisting of a mordenite containing less than 0.5% by weight of sodium, having a molar ratio SiO2/Al2O3 from 10 to 100 and further containing at least one metal selected fr...
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JPS5312483B1 |
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JPS5310041B2 |
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JPS5310042B2 |
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JPS5310043B2 |
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JPS538678B1 |
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JPS535293B2 |
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JPS531253B2 |
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JPS5250781B2 |
Process for producing cyclic polyenes having the general formula ( CH2-CH=CH-CH2-CH2 )n WHEREIN N IS AT LEAST 2 BY CONTACTING CYCLOPENTENE WITH A COMPLEX CATALYST OF (I) TRIALKYL ALUMINUM, (II) WOLFRAM HEXAHALIDES AND (III) ALLYL HALIDES...
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JPS5241242B2 |
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JPS5239804B2 |
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JPS52118435A |
Process for alkylating or alkylating-transalkylating a charge containing toluene, methanol and, optionally, polymethylbenzenes, in one or two steps, conducted at a temperature from 100 DEG to 600 DEG C under a pressure from 1 to 150 bars...
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JPS52113926A |
A fractionation scheme applicable to a transalkylation process in which an admixture of toluene and C9 alkylbenzene is converted to benzene and C8 alkylbenzene is disclosed. Transalkylation zone effluent containing C6 to C10+ alkylbenzen...
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JPS5229282B2 |
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JPS5229283B1 |
1346347 Disproportionation catalyst SNAM PROGETTI SpA 12 July 1971 [29 July 1970] 32642/71 Heading B1E [Also in Division C5] A disproportionation catalyst comprises oxides of (a) tungsten and (b) copper or a Gp VIII metal in an atomic ra...
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JPS5227124B1 |
1354339 Disproportionating olefins PHILLIPS PETROLEUM CO 23 Dec 1971 [28 Dec 1970] 60127/71 Heading C5E In the catalytic disproportionation of olefins, the olefin feed is contacted at below 150 F. with MgO which has been activated by t...
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JPS5278838A |
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JPS5265229A |
A catalytic process is provided for the selective production of para-xylene by contacting, under conversion conditions, a charge stock containing, as a major reactant, at least one hydrocarbon selected from the group consisting of toluen...
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JPS5218164B1 |
A process for disproportionating olefins is disclosed which employs a catalyst which includes tungsten and bismuth in the form of oxides or other forms.
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JPS5257092A |
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JPS5231004A |
PURPOSE: Acetylene and butadiene are simultaneously prepared by the reaction of propylene at comparatively low temperature in the presence of the catalyst obtained by the heat-treatment of Y-type zeolite replaced its component with ions ...
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JPS5212108A |
7,8-Epoxy-2-methyloctadecane is economically prepared by a metathesis reaction of 7-methyl-1-octene and 1-dodecene to form 2-methyl-7-octadecene which is then epoxidized to give the desired product.
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JPS52230A |
PURPOSE: Benzene and xylenes are prepared by heating toluene in the presence of comparatively active alumina-alkali metal as catalysts.
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JPS52228A |
PURPOSE: Benzene and xylenes are prepared by heating toluene in the presence of a particular catalyst.
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JPS52229A |
PURPOSE: Benzene and xylenes are prepared by heating toluene in the presence of comparatively active graphite-sodium metal as catalysts.
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JPS51149205A |
High octane alkylates are prepared by selectively alkylating paraffinic hydrocarbons with other paraffinic hydrocarbons at alkylation conditions in the presence of hydrogen and of a catalyst comprising a metal pentafluoride selected from...
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