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JPS62501911A |
A process for the production of isobutylbenzenes in particular, isobutylbenzene itself, is provided. The process is in two stages and comprises (1) reacting a vinylcyclohexene with an isoolefin of formula (R)(R1)C=C(CH3)2 in the presence...
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JPS62160141A |
An improved process for converting hydrocarbons using a catalyst which is periodically regenerated to remove carbonaceous deposits, the catalyst being comprised of a mixture containing, as a major component, solid particles capable of pr...
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JPS62148431A |
Optionally substituted 2-benzyl-toluenes can be prepared by reaction of optionally substituted 2-benzyl-tert.-alkyl-toluenes with an optionally substituted aromatic hydrocarbon in the presence of anhydrous iron-(III) halide. The reaction...
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JPS6229417B2 |
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JPS62140652A |
A catalyst composition comprises a catalytic metal and a support, the support being prepared by depositing a metal alkoxide salt on a core support, and then calcining the support.
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JPS6228768B2 |
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JPS6218529B2 |
Described is a process for producing bicyclic compounds having the generic structure: wherein R1 is one of the moieties: and wherein R2, R3 and R4 are the same or different and each represents hydrogen, methyl or ethyl comprising the ste...
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JPS6217568B2 |
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JPS6215489B2 |
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JPS6215488B2 |
{PG,1 As synthesized by conventional technique, zeolite ZSM-11 is crystallized in the presence of substantial amount of at least one of the quaternary cations of a Group VA element of the Periodic Table of Elements. When synthesized in t...
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JPS6261639A |
(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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JPS6251631A |
The invention concerns an improved process for dismutation and transalkylation of alkylaromatic hydrocarbons in the presence of a catalyst consisting essentially of acid mordenite having a total SiO2/Al2O3 molar ratio from 9 to 80 and a ...
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JPS624327B2 |
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JPS62888B2 |
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JPS621458A |
A method for activating a preformed, porous crystalline aluminum phosphate involves contacting the aluminum phosphate with steam in the absence of a metal oxide under conditions sufficient to increase the catalytic activity of the material.
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JPS6157812B2 |
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JPS6157811B2 |
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JPS61267530A |
(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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JPS6144805B2 |
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JPS61187935A |
(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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JPS6136729B2 |
Alkylation of an aromatic is provided in a reactor having a central alkylation zone, and a surrounding transalkylation zone. The reaction mixture flows cocurrently through the alkylation zone and then into the surrounding transalkylation...
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JPS6127374B2 |
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JPS61136911A |
(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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JPS6121985B2 |
1402981 Hydrocarbon conversion MOBIL OIL CORP 18 Jan 1974 [9 Feb 1973] 02372/74 Heading C5E Hydrocarbon conversions are carried out using a catalyst comprising a ZSMÀ5 type zeolite defined by X-ray diffraction pattern having an ultimate...
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JPS6120528B2 |
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JPS6185336A |
A method is provided for removing trace amounts of organic chlorides from feedstocks by contacting the feedstock with a guard bed catalyst comprising shaped particles formed by extruding a mixture of magnesium oxide and a binder inert to...
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JPS6183621A |
There is provided a boron-containing aluminosilicate zeolite corresponding to the substantially aluminum and boron free silicate zeolite described in the Hinnenkamp et al. U.S. Pat. No. 4,376,757. Also provided are methods for making thi...
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JPS6183137A |
PURPOSE: To obtain the titled substance, in high selectivity, with little production of by-products having high boiling point, by the trans-alkylation reaction of a naphthalene compound with a polyalkylbenzene in the presence of an AlCl3...
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JPS6163523A |
(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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JPS616805B2 |
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JPS6136234A |
PURPOSE: To obtain the titled compound from the bottom of a column, by adding an extracting medium to a reaction product consisting of dichlorotoluene and t-butyltoluene obtained by a reaction between di-t-butyldichlorotoluene and toluen...
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JPS6114116A |
This invention relates to a new and improved form of crystalline silicate identified as zeolite ZSM-12, to a new and useful improvement in synthesizing said crystalline silicate and to use of said crystalline silicate prepared in accorda...
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JPS6114115A |
This invention relates to a new and improved form of crystalline silicate identified as zeolite ZSM-12, to a new and useful improvement in synthesizing said crystalline silicate and to use of said crystalline silicate prepared in accorda...
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JPS611048B2 |
A crystalline zeolite, designated ZSM-34, having the composition as synthesized and in anhydrous form, expressed as mole ratios of oxides as follows:
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JPS60260420A |
Crystalline molecular sieves having three-dimensional microporous framework structures of TiO2, AlO2, SiO2 and PO2 tetrahedral units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis expre...
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JPS6058729B2 |
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JPS6058164B2 |
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JPS6052084B2 |
Aluminosilicate zeolites are prepared containing an outer aluminum-free shell. The outer shell is essentially SiO2 that has crystallized on the zeolite surface in the ZSM-5 type configuration, leading to a more selective catalyst.
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JPS60231414A |
Crystalline molecular sieves having three-dimentional microporous framework structures of ZnO2, AlO2, SiO2 and PO2 tetrahedral units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis expre...
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JPS60231412A |
Crystalline molecular sieves having a three-dimensional microporous framework structures of Mg02, AlO2, Si02 and P02 tetrahedral units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis exp...
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JPS60231415A |
An novel class of iron-aluminium-phosphorus-silicon-oxide molecular sieves is disclosed which contain as frame-work constituents FeO2<-> and/or FeO2<-><2>, AlO2<-> PO2<+> and SiO2 tetrahedral oxide units. These compositions are prepared ...
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JPS60197235A |
Olefins are converted into other olefins having different numbers of carbon atoms by contact with a catalyst comprising a silica support containing tungsten oxide and a promoting amount of a least one titaniferous agent and activated und...
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JPS60158122A |
(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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JPS6025190B2 |
A process and catalyst for the isomerization of normal alkanes is disclosed. The catalyst is a supported solid perfluorinated polymer containing pendent sulfonic acid groups.
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JPS60109529A |
A process is provided for enhancing the para-isomer content in the products resulting from the conversion of alkylbenzene compounds to dialkylbenzene compound mixtures. Examples of such conversions include the ethylation and disproportio...
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JPS6097921A |
(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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JPS6021571B2 |
This invention relates to a process for the production of alkylbenzenes, which comprises reacting benzene with at least one aromatic hydrocarbon substituted by alkyl groups and containing 9 or more carbon atoms, in the presence of an aci...
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JPS6061034A |
(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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JPS6012325B2 |
Alkyl aromatic hydrocarbons useful as chemical raw material, solvents and the like are provided in high purity by hydrocracking of a fraction rich in alkyl aromatics and lean in aliphatic hydrocarbons over a particular zeolite catalyst a...
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JPS6051129A |
The co-metathesis reaction of triglycerides having fatty acid esters containing isolated carbon-carbon double bonds and ethylene produces modified triglycerides and alpha-olefins. The reaction occurs at an ethylene partial pressure of ab...
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