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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...
7393805 Catalyst treatment useful for aromatics conversion process  
A process for preparing a transalkylation catalyst, the catalyst itself, and a transalkylation process for using the catalyst are herein disclosed. The catalyst comprises rhenium metal on a...
7393804 Exhaust gas purifying catalyst and process for purification of exhaust gas  
An exhaust gas purifying catalyst has a catalytic component including copper, ZSM-5, and β zeolite. This exhaust gas purifying catalyst reduces nitrogen oxides even from low temperature range and...
7387978 Selective para-xylene production via methylation of toluene with methanol in the presence of modified HZSM-5 catalyst  
We disclose a method for converting toluene to xylenes, comprising contacting toluene with methanol in the presence of a silica-bound HZSM-5 catalyst. As an example, in one embodiment the method...
7381678 Hydrocarbon cracking catalyst using chemical liquid deposition and method for preparing the same  
The present invention relates to a hydrocarbon cracking catalyst and a method for preparing the same. The invention provides a hydrocarbon cracking catalyst in which a metal or a metal oxide is...
7381677 Ethylbenzene conversion and xylene isomerization processes and catalysts therefor  
Catalysts comprise a combination of molecular sieve having a pore diameter of from about 4 to 8 angstroms and a catalytically-effective amount of molybdenum hydrogenation component and a sufficient...
7381676 Catalyst composition and its use thereof in aromatics alkylation  
This disclosure relates to a catalyst composition comprising (a) a crystalline MCM-49 molecular sieve; and (b) a binder comprising at least 1 wt. % of a titanium compound. In one aspect of this...
7375048 ZSM-5 additive  
A catalyst composition suitable for reacting hydrocarbons such as in fluidized catalytic cracking (FCC) comprises an attrition-resistant particulate having at least 30% of an intermediate pore...
7375047 Ethylbenzene conversion and xylene isomerization processes and catalysts therefor  
Catalysts comprising a combination of molecular sieve having a pore diameter of from about 4 to 8 angstroms and a catalytically-effective amount of molybdenum hydrogenation component in an...
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...
7332454 Oxidation catalyst on a substrate utilized for the purification of exhaust gases  
An oxidation catalyst deposited on a filter substrate for the removal of CO, hydrocarbons, and particulate matter, such as soot, from an exhaust stream wherein the oxidation catalyst is formed from...
7332148 Hydrothermally stable metal promoted zeolite beta for NOx reduction  
A stabilized metal promoted aluminosilicate zeolite, useful in the selective catalytic reduction of nitrogen oxides with ammonia, having a silica to alumina mole ratio of at least 8 and less than...
7323430 Selective para-xylene production via methylation of toluene with methanol in the presence of modified HZSM-5 catalyst  
We disclose a method for preparing a catalyst for converting toluene to xylenes. As an example, in one embodiment the method can include: (i) binding HZSM-5 to silica, to form silica-bound HZSM-5;...
7307034 Alumina guard bed for aromatics transalkylation process  
A transalkylation process for reacting carbon number nine aromatics with toluene to form carbon number eight aromatics such as para-xylene is herein disclosed. The process is based on the discovery...
7304011 Compositions and processes for reducing NOx emissions during fluid catalytic cracking  
Compositions for reduction of NO x generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic...
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...
7273828 Catalyst treatment useful for aromatics conversion process  
A process for preparing a transalkylation catalyst, the catalyst itself, and a transalkylation process for using the catalyst are herein disclosed. The catalyst comprises rhenium metal on a...
7271117 Epoxidation catalyst  
Noble metal-containing titanium or vanadium zeolite catalysts are prepared by adding a noble metal source to a titanium or vanadium zeolite that contains templating agent used in the preparation of...
7265073 Exhaust gas purifying catalyst and process for purifying exhaust gas  
An exhaust gas purifying catalyst formed by having a first rhodium-containing catalyst layer, a second zeolite-containing catalyst layer, and a third palladium-containing catalyst layer superposed...
7259121 Method of reducing the N2O content of gases and selected catalysts  
A method of reducing the N 2 O content in gases is described. A selected zeolite catalyst is used in the method. This catalyst is present in the H form and/or contains exchanged iron and is...
7253130 Method for making transparent continuous zeolite film and structure of the zeolite film  
A method for making transparent continuous zeolite film is provided. First a transparent precursor sol is prepared, and the precursor sol is processed to a specific concentration. The precursor...
7244409 Process for producing synthetic zeolites with MFI structure  
A process is described for producing synthetic zeolites useful as catalysts with a MFI structure, a Si/Al atomic ratio from about 8 to 45 to 1 and very small primary crystallites. A Si source, an...
7235507 Catalyst for purifying diesel engine exhaust emissions  
A diesel oxidation catalyst comprising a honeycomb substrate washcoated with a mixture of clay, a refractory oxide and a zeolite is disclosed. The washcoated substrate is subsequently deposited...
7229941 Catalysts based on crystalline aluminosilicate  
A catalyst is described based on crystalline aluminosilicates of the pentasil type, characterized in that it is constructed from primary crystallites with an average diameter of at least 0.01 μm...
7220885 Catalyst treatment useful for aromatics conversion process  
A process for preparing a transalkylation catalyst, the catalyst itself, and a transalkylation process for using the catalyst are herein disclosed. The catalyst comprises rhenium metal on a...
7220692 Catalyst for selective NOx reduction using hydrocarbons  
A two phase catalyst is disclosed with one or more transition metals such as Cu, Co, Fe, Ag and Mo supported on a molecular sieve having a pore size not greater than 8 Å along with a stabilizing...
7214637 Process for the preparation of MFI-type zeolitic catalysts  
The present invention relates to a process for the preparation of zeolitic catalysts of the MFI type in spheroidal form. The process consists in emulsifying and consolidating in paraffinic...
7202189 Shaped catalysts for transalkylation of aromatics for enhanced xylenes production  
A catalyst, a process for using the catalyst whereby the catalyst effectively transalkylates C 7 , C 9 , and C 10 aromatics to C 8 aromatics are disclosed. The catalyst comprises a support such...
7199070 Conversion catalyst for ethylbenzene containing xylenes and process for converting ethylbenzene containing xylenes by using catalyst  
A catalyst in which X-ray diffraction intensity ratio of the crystal lattice plane spacing d-value of 0.196±0.002 nm to the crystal lattice plane spacing d-value of 0.386±0.008 nm is in a range...
7196029 Process and catalysts for upgrading of hydrocarbons boiling in the naphtha range  
The present invention relates to the use of a catalytic system comprising a metal of group VIII, a metal of group VI, a metal oxide as carrier and suitable quantities of a component selected from a...
7141526 Exhaust gas purifying catalyst and process for purifying exhaust gas by use of the catalyst  
An exhaust gas purifying catalyst characterized by having zeolite subjected to ion exchange with cerium and deposited on cerium oxide as well and containing platinum and/or palladium, and a process...
7141232 Preparation of molecular sieves involving spray drying  
Molecular sieves are prepared by forming a reaction mixture slurry, spray drying the reaction mixture slurry to form particles, and heating the spray dried reaction mixture at a temperature and...
7125818 Catalyst for wax isomerate yield enhancement by oxygenate pretreatment  
A dewaxing catalyst is selectively activated by treatment with an oxygenate. Selective activation is accomplished by treated the dewaxing catalyst with a carrier feed containing oxygenate. The...
7122496 Para-xylene selective adsorbent compositions and methods  
Adsorbent compositions for vapor-phase adsorption processes, which are selective for para-xylene. Such compositions can be used in gas-phase adsorption processes for the separation of para-xylene...
7122494 Combined cracking and selective hydrogen combustion for catalytic cracking  
A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one...
7119245 Synthesis of an un-supported, high-flow ZSM-22 zeolite membrane  
Novel methods for synthesizing wholly un-supported, high-flow catalytic membranes consisting of 100% crystalline ZSM-22 crystals with no binder phase, having sufficient porosity to allow high...
7115538 Ethylbenzene conversion catalyst and process  
An ethylbenzene conversion catalyst is described which comprises a molecular sieve and a hydrogenation metal, wherein the catalyst exhibits a benzene hydrogenation activity at 100° C. of less than...
7109140 Mixed matrix membranes  
Mixed matrix membranes are prepared from zeolites and polymers, such as polyimides, in a void free fashion where either no voids or voids of less than several Angstroms are present at the interface...
7098353 Metal ion exchanged solid materials as catalysts for the skeletal isomerization of fatty acids and alkyl esters thereof  
The present invention generally relates to a process for the skeletal isomerization of unsaturated linear fatty acids and/or alkyl esters thereof to their branched counterparts. Said skeletal...
7094722 NOx catalyst and method of suppressing sulfate formation in an exhaust purification system  
The activity and durability of a zeolite lean-bum NOx catalyst can be increased by loading metal cations on the outer surface of the zeolite. However, the metal loadings can also oxidize sulfur...
7078364 Ship-in-a-bottle catalysts  
In accordance with the present invention there is provided a novel catalyst system in which the catalytic structure is tailormade at the nanometer scale using the invention's novel ship-in-a-bottle...
7074739 Multi-component molecular sieve catalyst compositions and their use in aromatics reactions  
The invention relates to a process for producing alkylated aromatic hydrocarbons, preferably with an oxygen or sulfur containing alkylating agent, in the presence of a multi-component molecular...
7067448 Method for production of n-alkanes from mineral oil fractions and catalyst for carrying out said method  
The invention relates to a method for the production of n-alkanes from mineral oil fractions and fractions from thermal or catalytic conversion plants, containing cyclic alkanes, alkenes, cyclic...
7060645 Method for manufacturing zeolite and method for manufacturing ε-caprolactam  
The present invention provides a method for manufacturing a zeolite comprising following steps of: (1): calcining crystals obtained by hydrothermal synthesis reaction of a silicon compound; (2):...
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...
7049260 Selective para-xylene production via methylation of toluene with methanol in the presence of modified HZSM-5 catalyst  
We disclose a method for converting toluene to xylenes, comprising contacting toluene with methanol in the presence of a silica-bound HZSM-5 catalyst. As an example, in one embodiment the method...
7045671 Process for catalytic dehydrogenation and catalyst therefor  
A process for catalytic dehydrogenation of a dehydrogenatable hydrocarbon process stream to the corresponding olefin or olefins, the process comprising contacting the dehydrogenatable hydrocarbon...
7041774 Functionalized zeolite compositions and methods for their preparation and use  
Disclosed herein are zeolite compositions comprising structural units of the formulae: wherein “B” and “C” are spacer groups comprising C 2 to C 20 hydrocarbyl groups; and R 1 and R...
7041616 Enhanced selectivity of zeolites by controlled carbon deposition  
A method for carbonizing a zeolite comprises depositing a carbon coating on the zeolite pores by flowing an inert carrier gas stream containing isoprene through a regenerated zeolite at elevated...
7033968 Processes for the manufacture of supported materials  
A process is described for the manufacture of a crystalline molecular sieve layer on a support, which process comprises impregnation of the support with an impregnating material prior to deposition...
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