| Document |
Document Title |
|
JP2002226406A |
To produce 1,3,5-trimethylbenzene from a mixture of trimethylbenzene isomers containing ethyltoluene.1,3,5-Trimethylbenzene is produced from a mixture of trimethylbenzene isomers containing ethyltoluene in high efficiency by a step to pe...
|
|
JP2002522404A |
A continuous method and a heat pump device for enrichment of low-concentrated reaction mixtures resulting from the production of cycloalkanedienes by means of catalytic metathesis of cyclic aliphatic alkenes and cyclooligomers in organic...
|
|
JP2002521467A |
A process for producing terephthalic acid and/or dimethyl terephthalate includes contacting a toluene-containing reaction stream with a first catalyst under toluene disproportionation conditions to produce an intermediate product stream ...
|
|
JP2002519281A |
The present invention relates to new crystalline, molecular sieve CIT-6 that has the topology of zeolite beta. CIT-6 can be in an all-silica form, in a form wherein zinc is in the crystal framework, or a form containing silicon oxide and...
|
|
JP2002143682A |
To produce a catalyst for metathesis which facilitates separation and refining of the catalyst or its reuse, has high activity, suppresses the side reaction such as isomerization of olefins or polymerization of olefins, and shows high se...
|
|
JP2002512582A |
The present invention relates to new crystalline zeolite SSZ-48 prepared using a decahydroquinolinium cation templating agent.
|
|
JP2002512581A |
The present invention relates to new crystalline zeolite SSZ-45 prepared using an N-substituted DABCO cation templating agent.
|
|
JP2002511436A |
Ethylbenzene is produced from benzene and ethylene in an alkylation reactor wherein the feedstocks also contain propylbenzenes and/or components that produce propylbenzene. Polyethylbenzenes are also produced in the process. The ethylben...
|
|
JP3272420B2 |
PURPOSE: To produce an odorless aromatic solvent having high boiling point in high efficiency in a state to enable easy separation of the reaction product from the catalyst, causing little problem of the corrosion of the reaction apparat...
|
|
JP3272734B2 |
There is provided a process for producing alkylaromatics, especially ethylbenzene and cumene, wherein a feedstock is first fed to a transalkylation zone and the entire effluent from the transalkylation zone is then cascaded directly into...
|
|
JP2002504487A |
A composition and method for the catalytic conversion of a racemic mixture of dienes to a cyclic olefin by a ring-closing metathesis (RCM) reaction are disclosed. The composition, a transition metal complex with an M=C reaction site, con...
|
|
JP3246932B2 |
PURPOSE: To easily produce metal-contg. crystalline aluminosilicate by removing Al from crystalline aluminosilicate without destroying the crystal structure and stably carrying a transition metal having hydrogenating-dehydrogenating abil...
|
|
JP3246933B2 |
PURPOSE: To easily produce metal-contg. crystalline aluminosilicate by removing Al from crystalline aluminosilicate without destroying the crystal structure and stably carrying a metal having hydrogenating-dehydrogenating ability in a hi...
|
|
JP2001525330A |
The present invention describes the use of cationic vinylidene, allenylidene and higher cumulenylidene complexes of ruthenium or osmium as catalysts or catalyst precursors for olefin metathesis reactions of all types, as well as to new c...
|
|
JP3225296B2 |
PURPOSE: To obtain a catalyst effective for the selective production of para- dialkyl substituted benzene at lower temp. and higher selectivity by constituting the catalyst of a zeolite which is produced from a reaction mixture having no...
|
|
JP3224288B2 |
PURPOSE: To provide a start-up procedure capable of simultaneously ensuring desirably high selectivity to benzene product and low selectivity to undesirable non-arom. compd. by-product. CONSTITUTION: The start-up procedure is used in the...
|
|
JP2001519406A |
The present invention relates to a process of preparing dialkylnaphthylenes and polyalkylenenaphthyleneates dialkylnaphthalenes and polyalkylenenaphthalates.
|
|
JP2001510857A |
A hydrocarbon conversion process comprises: (1) contacting a hydrocarbon feed such as, for example, gasoline, with a catalyst under a sufficient condition to effect the conversion of the hydrocarbon to a product stream comprising aromati...
|
|
JP3193353B2 |
To obtain the subject new organosiloxane compound under use of readily available starting substances by a simple method. This compound has a unit represented by formula I [R is a 1-8C monovalent hydrocarbon not containing an aliphatic ca...
|
|
JP3181885B2 |
To obtain a new organic derivative of rhenium oxide. This compound is represented by the general formula: R1aRebOc [(a) is 1-6; (b) is 1-4; (c) is 1-14 and total of (a), (b) and (c) just concides with pentavalent to hexavalent atomic val...
|
|
JP2001172207A |
To provide a method for selective synthesis of 2-alkylnaphthalene without formation of the by-product, 1-alkylnaphhalene, by the transalkylation of naphthalene.When naphthalene and a polyalkylbenzene or a polyalkylnaphthalene are allowed...
|
|
JP2001506669A |
A process for preparing cyclopentene oligomer mixtures of the formula Icomprises reacting in a homogeneously or heterogeneously catalyzed metathesis reaction a hydrocarbon mixture which contains cyclopentene and acyclic monoolefins and w...
|
|
JP3152242B2 |
The conversion of n-olefins, particularly n-butene, by skeletal isomerization, or by dimerization optionally with cracking, may be selectively carried out using as a catalyst a molecular sieve, such as a zeolite or silica/alumina phospha...
|
|
JP2001504084A |
A process is provided for the production of paraxylene by the methylation of toluene in the presence of a zeolite bound zeolite catalyst. The catalyst comprises first zeolite crystals which are bound together by second zeolite crystals. ...
|
|
JP2001072612A |
To provide a method for producing 5C- and/or 6C-olefins from 4C- olefins. This method for producing 5C- and/or 6C-olefins from a 4C- olefinic starting substance flow comprises the following processes: (a) a metathesis reaction process wh...
|
|
JP2001072611A |
To produce ethylbenzene by alkylating benzene over a molecular sieve catalyst for aromatic alkylation, followed by the liquid-phase alkylation of the polyalkylated aromatic components. The feedstock including benzene and ethylene is fed ...
|
|
JP2001038214A |
To provide a new regeneration method of an exhausted zeolite type catalyst. A regeneration method of an at least partially exhausted zeolite type alkylation or transalkylation catalyst includes the heat treatment of the exhausted catalys...
|
|
JP2001029789A |
To obtain a catalyst active at the lowest temp. by supporting a heteropolya inon of 12-phosphorus tungstate or 12-molybdenum tungstate on a carrier creating a large specific surface area and a large pore vol. A carrier of this catalyst i...
|
|
JP2001501588A |
A dehydrocyclo-oligomerization process is provided for converting aliphatic hydrocarbons to aromatics by contacting the feedstock under conversion conditions which a zeolite bound zeolite catalyst. The zeolite bound zeolite catalyst comp...
|
|
JP2001029794A |
To safely and easily provide a ruthenium metathesis catalyst in a mass production usable as a catalyst for a carbon-carbon bond formation reaction by a metathesis reaction. This ruthenium metathesis catalyst comprises a compound having f...
|
|
JP2001026555A |
To provide a process for the transalkylation of a polyalkylated aromatic compound improved in stability with the passage of time.This process for the transalkylation of a polyalkylated aromatic compound comprises using a high porosity ze...
|
|
JP3126801B2 |
|
|
JP2000516248A |
A process of preparing an alkylated benzene or mixture of alkylated benzenes involving contacting a benzene feedstock with a solid acid, such as an acidic clay or acid zeolite, in a pretreatment zone at a temperature greater than about 1...
|
|
JP3110043B2 |
A process for oligomerizing an alkene-containing feedstock comprises contacting the feedstock with a catalyst comprising an inorganic, porous, non-layered crystalline phase material exhibiting, after calcination, an X-ray diffraction pat...
|
|
JP3110531B2 |
PURPOSE: To profitably obtain 4,4'-diethylbiphenyl useful as a raw material for heat-resistant high molecular materials from biphenyl and an industrially indexpensive polyethyltoluene mixture in a high selectivity and in a high productio...
|
|
JP2000309597A |
To obtain a new compound useful as a catalyst exhibiting high activity in the metathesis reaction of olefins. This new compound is represented by formula I (M is a ruthenium or the liked; X1 and X2 are each e.g. a 3-20C hydrocarbon havin...
|
|
JP2000297049A |
To produce an alkylbenzene while increasing the selectivity of a monoalkylated product, inhibiting the formation of a dialkylated product and decreasing by-products by using a specific catalyst when alkylating benzene with an alkylation ...
|
|
JP2000297063A |
To obtain a difunctionalized 6C-hydrocarbon by an economically excellent reaction path by subjecting one or more two kinds of specific olefins to self double decomposition or cross double decomposition in the presence of a homogeneous ca...
|
|
JP2000513271A |
The invention relates to a supported catalyst used in the production of cycloalkadienes in a metathesis reaction containing a) gamma -Al2O3 as supporting material; b) 2-20 wt.% Re2O7; c) 0.5-5 wt.% B2O3; d) 0-20 wt.% SnR4 or SnO2, or a m...
|
|
JP2000256223A |
To provide a method for preventing formation of a diphenylalkane as a by-product to produce a monoalkyl aromatic hydrocarbon in higher yield by using a feed aromatic hydrocarbon, olefin and diluent composed of an alkyl derivative for the...
|
|
JP2000256218A |
To produce a cyclic and/or polymerized compound by the metathesis of a starting substance containing at least two functional groups in the form of an alkene or alkyne unit which is substituted or not substituted. This method for a cyclic...
|
|
JP2000226395A |
To obtain a new compound useful as a catalyst capable of manifesting a high activity for initiating a metathetic reaction of an olefin. This compound is represented by formula I, II or III {X1 and X2 are each a 3-20C hydrocarbon or the l...
|
|
JP2000212192A |
To obtain a new compound useful as a catalyst in producing an olefin from a specific olefin through olefin metathesis. This new compound is a compound of formula I {X is an anionic ligand; Z is a metal-contg. unidentate or tridentate lig...
|
|
JP3042366B2 |
PURPOSE: To continuously produce m-diisopropylbenzene useful as a raw material for producing resrcinol in such a state that the ortho-isomer is hardly formed as a by-product by alkylating benzene with propylene as raw materials in the pr...
|
|
JP3021496B2 |
The invention relates to the use of compounds of the general formula R<1>aRebOc in which a is 1 to 6, b is 1 to 4 and c is 1 to 14, and the total of a, b and c is appropriate for the 5- to 7-valency of rhenium, with the proviso that c is...
|
|
JP2000042418A |
To produce an isomerization catalyst and to provide a method for isomerization capable of obtaining p-xylene and converting ethylbenzene to hydrocarbons at high efficiency with little xylene loss attributed to side reactions and low in h...
|
|
JP2000500700A |
A ruthenium-containing metathesis catalyst system which contains a ruthenium compound (A), a phosphorus compound (B), and a compound (C) containing a carbon-to-carbon triple bond. The mole ratio of compounds A:B:C is typically in the ran...
|
|
JPH11322637A |
To provide a process for the production of an olefin as a set of products by a 4C stream of a steam cracker or a refining apparatus. This olefin production process comprises (A) a step to perform extractive distillation of butadiene from...
|
|
JP2977335B2 |
|
|
JPH11512394A |
(57) [Summary] At least some of the ring compounds present in the supply stream have at least one substituent C.5C containing at least one ring and further having the substituent5A method for selectively ring-opening a naphthenic ring of...
|
