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7399727 Zeolite catalyst and method  
A catalyst is formed from a phosphorus-containing ZSM-5-type zeolite. The ZSM-5-type zeolite has a silica/alumina molar ratio of at least 200. The phosphorus-containing ZSM-5-type zeolite also has...
7368410 Zeolite catalyst and method of preparing and use of zeolite catalyst  
A zeolite catalyst is prepared by treating a zeolite with a phosphorus compound to form a phosphorus-treated zeolite. The phosphorus-treated zeolite is heated to a temperature of about 300° C. or...
EP1867388A1 A CATALYST AND A HYDROCARBON OIL CRACKING METHOD  
The invention discloses a catalyst and a method for cracking hydrocarbons. The catalyst comprises, calculated by dry basis, 10~65wt% ZSM-5 zeolite, 0~60wt% clay, 15~60wt% inorganic oxide binder,...
7304194 Hydrothermal treatment of phosphorus-modified zeolite catalysts  
A method of treating a ZSM-5-type zeolite catalyst is carried out by treating a ZSM-5 zeolite catalyst having a silica/alumina mole ratio of at least about 200 with a phosphorus compound. The...
7301065 Molecular-sieve catalyst composition, its making and use in conversion processes  
The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst...
7297829 Aromatics alkylation  
The present invention provides a process for producing an alkylaromatic compound comprising the step of contacting an alkylatable aromatic compound with an alkylating agent under alkylation...
7285511 Method of modifying zeolite catalyst  
A method of modifying a zeolite catalyst to increase para-xylene selectivity of the zeolite catalyst in toluene methylation reactions is provided. The method includes forming a slurry of a...
7279608 Toluene methylation process with increased methanol selectivity  
A method of converting methanol to a xylene product is achieved by providing a reactor containing a non-steamed, phosphorus-treated ZSM-5-type zeolite catalyst. The catalyst is contacted with a...
7273827 Molecular sieve catalyst composition, its production and use in conversion processes  
The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst...
7271123 Molecular sieve catalyst composition, its making and use in conversion process  
The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst...
7244869 Method of aromatic alkylation  
A catalyst for use in aromatic alkylation, such as toluene alkylation with methanol, is comprised of a zeolite with pore size from about 5.0 to about 7.0 Å containing a hydrogenating metal. The...
7241713 Molecular sieve catalyst composition, its making and use in conversion processes  
This invention provides methods of making molecular sieve catalyst particles, molecular sieve slurries that can be used in such methods, molecular sieve catalyst compositions and their use in...
7214844 Molecular sieve catalyst compositions, its making and use in conversion processes  
The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst...
7196237 Method of preparing an alkyl aromatic product  
A method of modifying a zeolite catalyst to increase selectivity of the catalyst is achieved by dissolving alumina in a phosphorus-containing acid solution, and treating the zeolite catalyst with...
7160831 Molecular sieve catalyst composition, its making and use in conversion processes  
The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst...
7105713 Preparation of alkyl-aromatic products  
A method of modifying a ZSM-5-type zeolite catalyst to increase selectivity of the catalyst for para-isomers in aromatic alkylation reactions is provided. The method includes contacting a...
7084318 Toluene methylation process  
A method of preparing a xylene product is carried out in a reactor containing a phosphorus-treated ZSM-5-type zeolite catalyst. The method includes initiating a unique start-up of a toluene...
7060864 Toluene methylation process  
A method of preparing a xylene product is carried out by providing a reactor containing a non-steamed, phosphorus-treated ZSM-5-type zeolite catalyst. The catalyst is contacted with a...
7060644 Aromatic alkylation catalyst and method  
A catalyst for use in aromatic alkylation, such as toluene alkylation with methanol, is comprised of a zeolite with pore size from about 5.0 to about 7.0 Å containing a hydrogenating metal. The...
7038100 Aromatics alkylation  
The present invention provides a process for producing an alkylaromatic compound comprising the step of contacting an alkylatable aromatic compound with an alkylating agent under alkylation...
7026267 Molecular sieve catalyst composition, its production and use in conversion processes  
The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst...
6943131 Selective zeolite catalyst modification  
A method of modifying a zeolite catalyst to increase selectivity of the catalyst is achieved by dissolving alumina in a phosphorus-containing acid solution, and treating the zeolite catalyst with...
6872680 Molecular sieve catalyst composition, its making and use in conversion processes  
The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst...
6787501 Molecular sieve catalyst composition, its making and use in conversion processes  
The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst...
EP0823936B1 CATALYTIC CONVERSION WITH MCM-58  
Abstract not available for EP0823936 Abstract of corresponding document: WO9634930 A process is provided for converting feedstock hydrocarbon compounds to product hydrocarbon compounds having a...
EP1242566B1 CATALYST COMPOSITION WITH HIGH EFFICIENCY FOR THE PRODUCTION OF LIGHT OLEFINS  
Abstract not available for EP1242566
6566293 Catalyst composition with high efficiency for the production of light olefins  
The present invention is directed to a catalyst composition for FCC which has high efficiency in the production of light olefins while maintaining the bottoms conversion. The catalyst composition...
6538167 Process for producing light olefins  
There is provided a process for converting methanol and/or dimethyl ether to a product containing C 2 to C 4 olefins which comprises the step of contacting a feed which contains methanol and/or...
6506954 Process for producing chemicals from oxygenate  
There is provided a process for converting methanol and/or dimethyl ether to a product containing olefin, e.g., C 2 to C 4 olefins, C 9+ aromatics and non-C 9+ aromatics which comprises: 1)...
EP1062039B1 ZEOLITE CATALYST ACTIVITY ENHANCEMENT BY ALUMINUM PHOSPHATE AND PHOSPHORUS  
Abstract not available for EP1062039 Abstract of corresponding document: US6080303 The present invention provides a process for improving the catalytic activity of small and medium pore acidic...
EP0741608B1 IMPROVED MCM-22 CATALYST COMPOSITION  
Abstract not available for EP0741608 Abstract of corresponding document: WO9521021 This invention relates to the catalyst composition resulting from the addition of phosphorus, and optionally, a...
EP0855369B1 CON-type phosphorous-containing zeolite and its use in catalytic cracking  
EP1116775A1 Catalyst composition with high efficiency for the production of light olefins  
The present invention is directed to a catalyst composition for FCC which has high efficiency in the production of light olefins while maintaining the bottoms conversion. Said catalyst composition...
EP1089815A1 Title is not available  
6187982 Process for converting dienes and oxygenates to para-xylene and light olefins  
A process useful in steam cracking is disclosed for selectively converting a feed comprising C 4 + dienes and oxygenate to a product comprising increased C 2 + monoolefins and para-xylene levels...
EP0687202B1 PRODUCTION OF ATTRITION-RESISTANT CATALYST BINDERS THROUGH USE OF DELAMINATED CLAY  
Abstract not available for EP0687202 Abstract of corresponding document: WO9420211 Attrition-resistant binders can be prepared by a process wherein a slurry of delaminated and calcined clay...
6080303 Zeolite catalyst activity enhancement by aluminum phosphate and phosphorus  
The present invention provides a process for improving the catalytic activity of small and medium pore acidic zeolite catalyst which comprises the steps of treating a zeolite with a phosphorus...
5994550 Pyridine/picoline production process  
A process is provided for producing pyridine and/or alkylpyridine compounds comprising reacting a feedstream of ammonia and at least one C 1 -5 carbonyl reactant under conversion conditions and in...
5972204 Phosphorous-containing zeolite with structural type CON, its preparation and its use for catalytic cracking  
A phosphorous-containing zeolite with structural type CON in its aluminosilicate or borosilicate form contains at most 10% by weight of phosphorous. A process for its preparation is described,...
5925586 Phosphorus modified small pore molecular sieve catalysts, and their use in the production of light olefins  
A process for the modification of a small pore molecular sieve catalyst to increase its selectivity to ethylene in the production of light olefins from oxygenated compounds, particularly methanol....
5888378 Catalytic cracking process  
A process for catalytic cracking of a hydrocarbon feedstock feeds to produce an enhanced yield of C 3 to C 5 olefins comprises contacting the feedstock with a catalyst composition comprising a...
EP0855369A1 CON-type phosphorous-containing zeolite and its use in catalytic cracking  
New phosphated zeolites of structural type CON, containing no more than 10% P and with a characteristic diffraction pattern, after calcination, as shown in the table are new, where tf = very weak...
5689024 Use of crystalline SUZ-9  
This invention relates to use of a new and improved form of crystalline material identified as having the structure of SUZ-9 as a sorbent or a catalyst for organic compound, e.g., hydrocarbon...
5670037 Process for producing light olefins by catalytic conversion of hydrocarbons  
A process for producing light olefins, especially ethylene, propylene, isobutylene and isoamylene, together with high octane gasoline as by-product, comprises that petroleum hydrocarbons are...
EP0643621B1 METHOD FOR PRODUCING ATTRITION-RESISTANT CATALYST BINDERS  
Abstract not available for EP0643621 Abstract of corresponding document: US5190902 Attrition-resistant binders can be prepared by a process wherein a slurry of clay particles is brought to either...
5601699 Method for cracking hydrocarbons  
Methods for preparing phosphorus containing catalysts comprising a large-pore zeolite, e.g., zeolite Beta, zeolite ZSM-12, or zeolite ZSM-20, and a matrix which have improved attrition resistance....
5472922 Manufacture of improved catalyst  
Methods for preparing phosphorus containing catalysts comprising a large-pore zeolite, e.g., zeolite Beta, zeolite ZSM-12, or zeolite ZSM-20, and a matrix which have improved attrition resistance....
5470810 Catalyst and method of manufacture  
This invention relates to the catalyst composition resulting from the addition of phosphorus, and optionally, a matrix material, to a porous crystalline material having the structure of MCM-22,...
5457078 Manufacture of improved zeolite Beta catalyst  
A catalyst composition which comprises a crystalline metallosilicate having the structure of zeolite Beta, phosphorus, and a matrix that is substantially free of crystalline aluminum phosphate...
5380690 Cracking catalyst for the production of light olefins  
A cracking catalyst for the production of light olefins comprises 0-70% (based on the weight of the catalyst) of clay, 5-99% of inorganic oxides, and 1-50% of zeolite. The zeolite in the catalyst...
Matches 1 - 50 out of 54 1 2 >