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JP3766170B2 |
To obtain an α-olefin oligomer in high yield and selectivity by oligomerizing of an α-olefin in the presence of a specific chromium-based catalyst prepared by a specific method. First, a chromium-based catalyst is prepared by bringing ...
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JP3743062B2 |
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JP2005538842A |
A material especially useful for the selective oxidation of hydrocarbons and other organic compounds includes a non-crystalline, porous inorganic oxide having at least 97 volume percent mesopores based on micropores and mesopores, and at...
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JP2005344118A |
To form a gasoline fraction having an octane number improved than the octane number of a starting fraction and a gasoline fraction having a high cetane number at least equal to 35 from the gasoline fraction having 4-15 carbon atoms.The m...
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JP2005523319A |
A process for upgrading a Fischer-Tropsch feedstock which comprises (a) recovering from a Fischer-Tropsch reactor a Fischer-Tropsch wax fraction and a Fischer-Tropsch condensate fraction, wherein the Fischer-Tropsch condensate fraction c...
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JP2005520885A5 |
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JP2005518930A |
The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene. The catalyst...
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JP2005518928A |
The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene. The catalyst...
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JP2005518929A |
The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene. The catalyst...
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JP3665393B2 |
To obtain a highly active catalyst excellent in dimer selectivity, useful esp. for propylene dimerization, by mutual contact between a specific nickel compound, a specific organophosphorus compound, an organoaluminum compound and a speci...
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JP2005517080A |
A process for increasing the yield of C10 plus hydrocarbon products from a Fischer-Tropsch plant which comprises the steps of (a) separating a Fischer-Tropsch product into a wax fraction and a condensate fraction; (b) dewaxing the wax fr...
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JP3656763B2 |
PURPOSE: To provide a method for polymerizing a lower hydrocarbon, whereby a 5C or higher liquid hydrocarbon can be produced in good yields by polymerizing olefins by bringing a feedstock gas containing lower olefins (especially ethylene...
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JP2005510345A |
A catalytic material includes a microporous zeolite supported on a mesoporous inorganic oxide support. The microporous zeolite can include zeolite beta, zeolite Y or ZSM-5. The mesoporous inorganic oxide can be, e.g., silica or alumina, ...
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JP2005087984A |
To solve the problem that a catalyst with high catalytic activity is not specified in the conventional technique, to select a metallic element of a directly modified catalyst showing high catalytic activity, and to provide a production m...
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JP2004532328A |
The present invention relates to poly alpha -olefins (PAO's) which exhibit superior Noack volatility at low pour points. Mixtures of 1-decene and 1-dodecene are polymerized using an alcohol pronoted BF3 in conjunction with a combination ...
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JP3544980B2 |
PCT No. PCT/EP94/03838 Sec. 371 Date May 16, 1996 Sec. 102(e) Date May 16, 1996 PCT Filed Nov. 21, 1994 PCT Pub. No. WO95/14647 PCT Pub. Date Jun. 1, 1995Straight-chain C2-C6-olefins are oligomerized to their dimers, trimers and tetramer...
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JP2004521170A |
Lube base stock compositions, and methods for preparing the compositions, are disclosed. The methods involve subjecting a predominantly C5-11 olefin-containing feedstock to dimerization conditions, preferably using nickel ZSM-5 as the di...
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JP3540828B2 |
PURPOSE: To obtain a process for the production of an α-olefin oligomer such as 1-hexene in high yield and selectivity on an industrial scale at a low cost and especially improved to facilitate the separation of by-product polymers. CON...
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JP3540827B2 |
PURPOSE: To obtain a process for the production of 1-hexene on an industrial scale at a low cost by the oligomerization of ethylene followed by the separation of 1-hexene from the reaction solvent by distillation and the recycling of the...
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JP2004516917A |
The invention relates to an acid catalyst containing a substantial quantity of supported or mass sulfated zirconia and at least one hydrogenating transition metal. This catalyst is characterized by the fact that the sulfated zirconia is ...
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JP3533835B2 |
To store a chromium catalyst for α-olefin oligomeration stably without causing deactivation by storing it in an organic solvent containing an unsaturated hydrocarbon. In order to store an α-oligomeration catalyst prepared by reacting a...
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JP3516708B2 |
PURPOSE: To obtain a process for the production of an α-olefin oligomer on an industrial scale at a low cost and improved especially to enable the easy separation of by-product polymers. CONSTITUTION: An a-olefin is oligomerized in the ...
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JP3505210B2 |
PURPOSE: To obtain a process for the production of an α-olefin oligomer such as 1-hexene in high yield and selectivity on an industrial scale at a low cost in improved utilization efficiency of catalyst. CONSTITUTION: An α-olefin oligo...
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JP3505211B2 |
PURPOSE: To obtain a process for the production of an α-olefin oligomer such as 1-hexene in high yield and selectivity on an industrial scale at a low cost without necessitating complicate operations. CONSTITUTION: An α-olefin is oligo...
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JP2004500474A |
An integrated process for producing high value products, including for example distillate fuel, from syngas is disclosed. The integrated process of the present invention produces high value products from a Fischer Tropsch with minimal pr...
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JP3482756B2 |
To provide a production process, whereby a low α-olefin polymer (e.g. a low 1-hexene polymer) can be produced in a high yield with a high selectivity and industrially advantageously without complicated operations. In the process for pro...
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JP3473192B2 |
PURPOSE: To industrially and advantageously obtain the subject low polymer in high yield and selectivity using a long-lived catalyst by bringing an α-olefin into contact with a Cr-based catalyst comprising plural kinds of compounds cont...
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JP2003531254A |
A process for the production of gasoline stocks wherein lower molecular weight olefins (line 102) are first oligomerized and the oligomers (line 105) hydrogenated is disclosed. In the first instance the oligomerization is carried out in ...
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JP2003524682A |
The invention provides a high temperature metathesis process for the metathesis of Fischer-Tropsch olefins in the C5 to C15 range, said metathesis process including the step of subjecting a Fischer-Tropsch olefin feedstock in the C5 to C...
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JP3421405B2 |
PURPOSE: To provide the new composition selectively promoting a straight α-olefin formation reaction, when used for oligo-merization reaction of ethene comprising the specified two components and cooligomerization reaction of ethene wit...
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JP2003519671A |
A process is provided for the production of a gasoline blending fraction rich in isooctane by the dimerization of isobutylene using tertiary butyl alcohol modifier and lower alkane diluent; advantageously the isobutylene is derived from ...
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JP2003516922A |
The present invention relates to new crystalline zeolite SSZ-50 prepared using a quaternary ammonium cation templating agent having the structurewhere X- is an anion which is not detrimental to the formation of the SSZ-50. SSZ-50 is usef...
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JP3395137B2 |
A method for producing substantially linear hydrocarbons by oligomerizing a lower olefin at elevated temperature and pressure which comprises contacting the lower olefin under oligomerization/polymerization conditions with constrained in...
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JP3388828B2 |
PURPOSE: To obtain a polymer having different mol.wt. depending on a reaction solvent in a high conversion rate and in high yield by using a catalyst system comprising a mixture of a Pd cation source and a specified acid to polymerize et...
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JP3388975B2 |
PURPOSE: To provide a process for producing an α-olefin oligomer by using a chromium catalyst, particularly a process improved so that a by-product polymer may be efficiently separated by a compacted process and therefore being industri...
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JP3385653B2 |
PURPOSE: To provide low polymerization method capable of selectively obtaining a product mainly consisting of trimer, especially 1-hexene in a high yield and suppressing the production of polymer having high molecular weight in a low pol...
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JP3383071B2 |
PURPOSE: To obtain a catalyst showing excellent catalytic performance in the conversion of hydrocarbons by composing the catalyst from a crystalline aluminosilicate type zeolite, making Mg or the like as a component out of zeolite crysta...
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JP3383315B2 |
There is provided a method for preparing an acidic solid comprising a Group IVB metal oxide modified with an oxyanion of a Group VIB metal. An example of this acidic solid is zirconia, modified with tungstate. This modified solid oxide m...
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JP3376615B2 |
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JP3373639B2 |
PURPOSE: To industrially advantageously obtain an oligomer of an α-olefin, such as 1-hexene, in high yield and at high selectivity without any complicated procedure. CONSTITUTION: A process for producing an a-olefin oligomer by using a ...
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JP3350067B2 |
Process for the preparation of crystalline zeolite-analogous gallosilicates and their use for the preparation of catalysts and adsorbents. In the known processes for preparing zeolite-analogous gallosilicates, the latter are prepared...
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JP3347706B2 |
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JP3327554B2 |
A catalyst composition comprising a first component which is a substituted bis(cyclopentadienyl)titanium, zirconium or hafnium compound, also containing a substituent which is attached to the metal and which is capable of reacting with a...
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JP3315206B2 |
PURPOSE: To make it possible to give a pure oligomer chain by carrying out a chain growth reaction to an α-olefin an alkyl aluminum with a catalyst system containing an actinide metallocene. CONSTITUTION: An α-olefin on alkylaluminum i...
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JP3312929B2 |
PURPOSE: To efficiently obtain a co-oligomer which has reduced by-products and excellent selectivity and is useful for detergents, etc., by reacting ethylene with a specified alpha-olefin in the presence of a specified catalyst under oli...
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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...
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JP2002161080A |
To provide a method comprising catalytically oxidizing a hydrocarbon- based feed, particularly a lower alkane into the corresponding oxyester intermediate product in high conversion and selectivity and also at a practical reaction rate, ...
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JP3279586B2 |
PURPOSE: To briefly obtain a silica enriched crystalline aluminosilicate having good stability by heating a mixture of a specific nucleation gel and a growth gel to crystallize, calcining, subjecting the calcined matter to a hydrothermal...
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JP2002512582A |
The present invention relates to new crystalline zeolite SSZ-48 prepared using a decahydroquinolinium cation templating agent.
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JP2002512581A |
The present invention relates to new crystalline zeolite SSZ-45 prepared using an N-substituted DABCO cation templating agent.
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