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JPH023774B2 |
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JPH026417A |
PURPOSE: To industrially advantageously produce the subject compound by alkylating a naphthalene compound with an olefin in the presence of a solid ultrastrong acid catalyst in a liquid state, further adding the naphthalene compound to t...
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JPH0157041B2 |
A novel family of crystalline, microporous aluminophosphate compositions is synthesized by hydrothermal crystallization at elevated temperatures of aluminophosphate gels containing a molecular structure-forming template. The family compr...
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JPH01299237A |
PURPOSE: To obtain the title substance useful as an intermediate for naphthalene-2,6-dicarboxylic acid in high selectivity without tar formation, by reacting 2-methylnaphthalene with an alkyl aromatic compound in the presence of a solid ...
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JPH0156117B2 |
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JPH0153259B2 |
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JPH0151448B2 |
Strengthened zeolite molecular sieve agglomerates are prepared by treating the agglomerates with an aqueous solution of a water soluble silicon compound and subsequently with an aqueous solution of a mineral acid of sufficient strength t...
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JPH0150211B2 |
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JPH01261336A |
PURPOSE: To readily provide the subject compound, by subjecting diphenylethane and polyethylbenzenes by-produced in a process for producing ethylbenzene from benzene and ethylene to a transalkylation reaction in the presence of a Friedel...
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JPH0147224B2 |
A method is provided for increasing the catalytic activity of acid zeolite catalysts characterized by a silica to alumina mole ratio of at least 12 and a constraint index within the approximate range of 1 to 12, comprising contacting sai...
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JPH0144378B2 |
A process for the conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dialkylbenzene isomer. The reaction is carried out in the presence of a particular type of zeolite catalyst having a silica to alumina mole ra...
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JPH0141610B2 |
A process for the conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dialkylbenzene isomer. The reaction is carried out in the presence of a particular type of zeolite catalyst having a silica to alumina mole ra...
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JPH0141382B2 |
A process for the conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dialkylbenzene isomer. The reaction is carried out in the presence of a particular type of zeolite catalyst having a silica to alumina mole ra...
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JPH0140657B2 |
A process for the conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dialkylbenzene isomer. The reaction is carried out in the presence of a particular type of zeolite catalyst having a silica to alumina mole ra...
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JPH0140656B2 |
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JPH0138535B2 |
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JPH0138534B2 |
A method for prolonging the useful life of para-selective modified zeolite catalysts, said zeolites having a silica to alumina mole ratio of at least about 12, a constraint index of about 1-12 and having been modified by the addition the...
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JPH01199920A |
PURPOSE: To obtain the subject compound with high selectivity by bringing a mixture of monoalkylbenzene, olefin and/or paraffin into contact with a specified catalyst comprising a crystalline aluminosilicate zeolite. CONSTITUTION: A para...
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JPH01199917A |
PURPOSE:To obtain the title compound useful as an intermediate for dyes, medicines, etc., in high selectivity, by subjecting 1-methylnaphthalene to isomerization reaction using a zeolite catalyst prepared by a specific method. CONSTITUTI...
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JPH01135729A |
PURPOSE: To greatly improve the performance of a disproportionation catalyst consisting of deposited rhenium pentaoxide and to advantageously obtain compds. from non-cyclic diolefin and ethylene by making combination use of a specified p...
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JPH01135728A |
PURPOSE: To continuously and efficiently obtain the above compound for a long period in good yield, by using an iron-containing zeolite catalyst in producing the aimed compound useful for a raw material for chemicals by reacting a dialky...
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JPH01110240A |
PURPOSE:To enable higher efficiency and smaller size and lighter weight of a measuring device as a whole with a higher safety margin, by generating ethylene by a chemical reaction to eliminate fear of explosion of a gas or the like with ...
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JPH0121816B2 |
A process for the conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dialkylbenzene isomer. The reaction is carried out in the presence of a particular type of zeolite catalyst having a silica to alumina mole ra...
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JPS6490138A |
PURPOSE: To execute disproportionation at a high conversion rate and high selection rate and to simultaneously execute a disproportionation reaction and the sepn. of a product by bringing an alkene into contact with a catalyst contg. an ...
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JPH0118013B2 |
Crystalline silicates having: a) a certain specific X-ray powder diffraction pattern; b) a composition expressed in moles of the oxides: p(0.9 +/- 0.3)M2/n0 . p(a X2O3) . SiO2, wherein M = H and alkali metal and/or alkaline earth metal, ...
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JPS6468329A |
PURPOSE: To produce a monoalkyl arom, compd. in good selectivity by allowing a polyalkyl arom. hydrocarbon to react with benzene in the presence of a catalyst composite containing a zeolite having a specified silica/alumina ratio, an αv...
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JPS6451492A |
PURPOSE: To obtain useful hydrocarbons such as butane and pentane with high yield, high reaction rate and to control unfavorable by-products such as methane and ethane by adding the controlled monoolefin to propane and by contacting to a...
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JPS649968B2 |
A process for the conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dialkylbenzene isomer. The reaction is carried out in the presence of a particular type of zeolite catalyst having a silica to alumina mole ra...
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JPS644818B2 |
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JPS6366773B2 |
A novel crystalline aluminosilicate zeolite characterized by having (a) a silica/alumina mole ratio in the range of from 10 to 100, (b) X-ray lattice distances d shown in Table A in the specification, and (c) a (cyclohexane/n-hexane) ads...
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JPS63296843A |
PURPOSE: To enhance metathesis reaction activity, by forming a catalyst by synthesizing activated carbon represented by a general formula containing alkylidene on the surface of fundamental oxide consisting of molybdenum oxide, tungsten ...
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JPS63283756A |
Improved catalytic systems of long active duration, comprising initially (a) a tungsten compound, (b) an organometallic compound and (c) a partially or totally fluorinated organic compound. Process of stabilization of these catalytic sys...
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JPS63246340A |
A process for olefin metathesis by oligomerizing lower olefins over medium pore zeolite catalyst to higher olefins then adding an alpha-olefin in the presence of a metathesis catalyst having a low acidity to provide a mixture of alpha-ol...
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JPS6348851B2 |
A process for the conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dialkylbenzene isomer. The reaction is carried out in the presence of a particular type of zeolite catalyst having a silica to alumina mole ra...
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JPS63230644A |
An isobutenylcyclohexene (IBCH) is produced by reacting under disproportionation conditions an isoolefin with a vinylcyclohexene (VCH), or by reacting an isoolefin and a compound derivable from a VCH by homodisproportionation involving t...
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JPS63196528A |
(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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JPS63194733A |
PURPOSE: To improve the catalytic activity and selectivity of a catalyst for metathesis, by synthesizing active sites contg. alkylidene groups by forming alkyl groups on molybdenum oxide thin film formed on a base body, prepg. thus the c...
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JPS6339523B2 |
A new crystalline aluminosilicate zeolite product is provided having a structure intermediate that of ZSM-5 and ZSM-11, having a characterizing X-ray diffraction pattern and having a unit cell parameter of at least about 40 Angstroms. Th...
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JPS6339289B2 |
A process for forming non-polymeric disproportionation products of non-conjugated olefins using catalysts comprising (1) at least one of certain neutral carbene complexes, and (2) at least one of certain compounds of Groups IVa, IVb, Vb,...
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JPS6327289B2 |
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JPS6320514B2 |
The present invention relates to a glycopeptide antibiotic arbitrarily designated as A/16686 antibiotic, and to its physiologically-acceptable acid addition salts. Antibiotic A/16686 free base, and its acid addition salts are antibacteri...
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JPS6317814B2 |
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JPS6315017B2 |
A composition comprising an ion exchange resin, a metal selected from the transition group of elements bound to said resin and an organic linking compound which has at least one moiety which is ionically bonded to said resin and which fu...
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JPS6315018B2 |
The invention relates to a complex composition comprising:(a) an ion exchange resin;(b) a transition metal, and(c) an organic linking compound which has at least one moiety which is ionically bound to said ion exchange resin and further ...
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JPS6364914A |
PURPOSE: To obtain an aluminosilicate having improved filterability and high content of carried iron, by stepwise adjusting the pH of an aqueous solution slurry containing a crystalline aluminosilicate and iron salt. CONSTITUTION: An iro...
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JPS6257573B2 |
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JPS6251274B2 |
The present invention relates to a glycopeptide antibiotic arbitrarily designated as A/16686 antibiotic, and to its physiologically-acceptable acid addition salts. Antibiotic A/16686 free base, and its acid addition salts are antibacteri...
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JPS62242634A |
A process for producing technically pure, chlorine-free cyclohexadecadiene by purifying the product mixture obtained preferably from the metathesis of cyclooctene by first removing by distillation the low boiling C6 hydrocarbons and any ...
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JPS6247854B2 |
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JPS6245849B2 |
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