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JPH07509687A |
A method for synthesizing a zeolite bonded to a substrate utilizes a reaction mixture having a H2O/YO2 molar ratio of at least 25 and Y is a tetravalent element, particularly silicon. A structure made according to this method includes a ...
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JPH07252170A |
PURPOSE: To produce ethylbenzene or p-xylene which are extremely useful as chemicals in one step at a low cost by thermally reacting benzene using a zeolite as a catalyst. CONSTITUTION: Ethylbenzene or p-xylene can be produced by using b...
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JPH0788322B2 |
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JPH0788315B2 |
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JPH0788319B2 |
A method for producing m-benzyltoluene with a high yield and excellent selectivity without producing undesirable heavier by-products. The method is characterized in that toluene and diphenylmethane are allowed to react at a reaction temp...
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JPH0788316B2 |
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JPH0788320B2 |
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JPH0788321B2 |
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JPH07508455A |
A supported catalyst comprising a carbon fibril aggregate and a catalytically effective amount of a catalyst supported therein, a process for performing a catalytic reaction in fluid phase using the supported catalyst and a process for m...
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JPH07232076A |
PURPOSE: To obtain a catalyst exhibiting catalytic activity for olefin disproportionation by comprising a W compd. or an Mo compd. dissolved partially in a non-aq. medium which is formed by contact of an Al halide, a quaternary ammonium ...
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JPH0776184B2 |
The invention relates to the use of compounds of general formula (I): R<1>aRebOc, where a is 1 to 6, b is 1 to 4, and c is 1 to 14 and the sum of a, b and c is compatible with the penta- or heptavalency of the rhenium and provided that c...
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JPH0773675B2 |
Process for manufacturing a rhenium-containing catalyst comprising three steps of: dry impregnation of an alumina-containing porous carrier, at a temperature lower than 80 DEG C., for at least 10 hours, first thermal treatment at 85 DEG ...
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JPH07196543A |
PURPOSE: To obtain the subject compound by a simple operation and a simple process in high yield, in high selectivity and economically by reacting a biphenyl compound with an alkylating agent in the presence of a specific treated zeolite...
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JPH0768045B2 |
The present invention relates to a zeolite of MFI structure, based on silicon oxide and titanium oxide and to the process for the manufacture of this compound. …The zeolite of the invention has the formula:… (Si96-xTix)O192… in...
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JPH0768046B2 |
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JPH0764764B2 |
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JPH07173086A |
PURPOSE: To provide an industrially suitable method for producing a dialkylbiphenyl compound, substantially not deteriorating the activity of a catalyst, not wasting a large volume of water and enabling a continuous reaction. CONSTITUTIO...
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JPH0757738B2 |
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JPH07504901A |
Processes for converting a wide variety of aromatic hydrocarbons, such as polyalkylaromatics, into commercially useful para-substituted aromatics such as para-xylene are disclosed. The aromatic hydrocarbon feed stream is first partially ...
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JPH07504611A |
Processes for converting a wide variety of aromatic hydrocarbons, such as polyalkylaromatics, into commercially useful para-substituted aromatics such as para-xylene are disclosed. The aromatic hydrocarbon feed stream is first partially ...
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JPH07126194A |
PURPOSE: To obtain 2,6-or 2,7-dialkylnaphthalene useful as an intermediate for monomer for a functional polymeric material in high efficiency and selectivity by reacting a naphthalene compound with an alkylation agent in the presence of ...
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JPH07503227A |
A method for synthesizing molecular sieves is disclosed. The method comprises preparing an aqueous mixture comprising: a) a source zeolite, wherein said source zeolite contains sodalite substructures and has a tetrahedra atom density of ...
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JPH0729945B2 |
Propane is converted to a mixture of normal butane and isobutane by contact with a Cl 1-12 zeolite, e.g., ZSM-5 in the absence of added hydrogen.
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JPH0717541B2 |
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JPH0715102B2 |
A process for reforming a full boiling range naptha feed to enhance benzene yield is disclosed which first separates the feed into a C6 fraction containing at least 10% by volume of C7+ hydrocarbons and a C7+ fraction, then subjecting th...
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JPH07501088A |
The 350 DEG -650 DEG F. (177 DEG -343 DEG C.) portion of the product from the oligomerization of light olefin with surface deactivated shape selective medium pore zeolite catalyst particles comprises olefinic hydrocarbons having unique a...
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JPH07501042A |
A crystalline zeolite SSZ-37 is prepared using a N,N-dimethyl-4-azoniatricyclo [5.2.2.0(2,6)] undec-8-ene cation as a template wherein said zeolite is used in hydrocarbon conversion processes.
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JPH06104675B2 |
Improved process of metathesis of olefins by contact of one or more olefins with a catalyst comprising a tungsten complex with two phenoxy groups, carrying substituents and four other ligands, the complex carrying as coordination groups ...
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JPH06340558A |
PURPOSE: To provide a metathesis reaction for olefin conversion and a catalyst to be applied therein. CONSTITUTION: Silicaco-gel in which silica is gellated together with magnesium oxide or titanium oxide before addition of tungsten is u...
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JPH06316625A |
PURPOSE: To provide a new epoxy resin, having a specific chemical structure and a low melt viscosity and useful as an electric laminate, etc., excellent in low water absorptivity. CONSTITUTION: The resin is expressed by formula I [Gly is...
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JPH0688918B2 |
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JPH06298676A |
PURPOSE: To produce a 2,6-dialkylnaphthalene in high yield by a transalkylation technology using a solid acid catalyst and keeping stable catalytic activity over a long period. CONSTITUTION: Naphthalene or naphthalene and monoethylnaphth...
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JPH06509021A |
A composition useful for catalyzing alkylation and transalkylation reactions comprises a molecular sieve having alkylation and/or transalkylation activity, an inorganic refractory oxide component and greater than 3.5 weight percent water...
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JPH06287152A |
PURPOSE: To industrially obtain 2,6-dimethylnaphthalene (2,6-DMN) from a hydrocarbon oil containing at least one kind selected from naphthalene (Np), monomethylnaphthalenes (MMN) and dimethylnaphthalenes (DMN). CONSTITUTION: The producti...
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JPH06508817A |
A process of alkylating benzene or substituted benzene with an alkylating agent having from two to eighteen carbon atoms in the presence of a catalyst comprising an acidic mordenite zeolite having a silica/alumina molar ratio of higher t...
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JPH06279326A |
PURPOSE: To industrially obtain 2,6-dimethylnaphthalene (DMN) in a high efficiency by suppressing the formation of isomers hard to isomerize to the other groups in trans-alkylation process. CONSTITUTION: Naphthalene (NF) and/or monomethy...
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JPH06279325A |
PURPOSE: To provide a method for producing a β,β'-dialkylnaphthalene so designed that said compound can be obtained continuously in a high yield and in high selectivity without requiring particular after-treatment for the reaction alon...
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JPH0674222B2 |
This invention relates to a method of making ethylbiphenyls by the reaction of biphenyl with polyethylbenzenes or with ethylene and polyethylbenzenes in the presence of a solid acid catalyst and offers advantages of industrial significan...
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JPH06239771A |
PURPOSE: To prepare an alkylated product with a low impurity content by reacting benzene or a substituted benzene with an alkylating agent in the pres ence of a specific catalyst. CONSTITUTION: The alkylated product is obtained by reacti...
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JPH0662481B2 |
The present invention relates to a process for producing an E,Z-9-alkenyl-1-aldehyde component which comprises: a) disproportionating cyclooctene and an alpha -olefin in the presence of a suitable disproportionation catalyst under dispro...
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JPH0662451B2 |
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JPH0662291B2 |
A crystalline zeolite SSZ-26 is prepared using a hexamethyl [4.3.3.0] propellane-8,11-diammonium cation as a template. Also disclosed is a process for converting hydrocarbons with crystalline zeolite SSZ-26.
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JPH0659406B2 |
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JPH06166641A |
PURPOSE: To efficiently produce 4,4'-diethylbiphenyl in high selectivity of alkylation at the 4-position in trans-alkylation reaction of biphenyl and polyethyltoluene in the presence of a Friedel-Crafts catalyst. CONSTITUTION: Biphenyl i...
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JPH06166642A |
PURPOSE: To efficiently produce a 4,4'-dialkylbiphenyl in high selectivity of alkylation at the 4-position in trans-alkylation reaction of a 4-alkylbiphenyl and polyethyltoluene in the presence of a Friedel-Crafts catalyst. CONSTITUTION:...
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JPH06504979A |
There is provided a method for preparing a pillared, layered crystalline oxide, said method comprising the steps of: (i) forming a zeolite reaction mixture and effecting crystallization of the mixture; (ii) intercepting the crystalline p...
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JPH0643349B2 |
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JPH0639433B2 |
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JPH0639425B2 |
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JPH0639424B2 |
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