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| Number | Title | Issue Date |
| 8148590 | Process for producing aromatic hydrocarbon and hydrogen A process for producing aromatic hydrocarbons and hydrogen, in which a lower hydrocarbons-containing feedstock gas is reformed by being supplied to and being brought into contact with a catalyst under high temperature conditions thereby forming aromatic hydrocarbons... | 04/03/2012 |
| 7977519 | Production of aromatic hydrocarbons from methane In a process for converting methane to higher hydrocarbons including aromatic hydrocarbons, a feed containing methane is contacted with a dehydrocyclization catalyst in a reaction zone under conditions effective to convert said methane to aromatic hydrocarbons. A fi... | 07/12/2011 |
| 7728186 | Production of aromatics from methane In a process for converting methane to aromatic hydrocarbons, a feed containing methane is contacted with a dehydrocyclization catalyst in a reaction zone under conditions including a first maximum temperature effective to convert the methane to aromatic hydrocarbon... | 06/01/2010 |
| 7683227 | Production of aromatic hydrocarbons from methane In a process for converting methane to higher hydrocarbons including aromatic hydrocarbons, a feed containing methane is contacted with a dehydrocyclization catalyst in a reaction zone under conditions effective to convert said methane to aromatic hydrocarbons. A fi... | 03/23/2010 |
| 7589246 | Production of aromatics from methane In a process for converting methane to aromatic hydrocarbons, a feed containing methane and a particulate catalytic material are supplied to a reaction zone operating under reaction conditions effective to convert at least a portion of the methane to aromatic hydroc... | 09/15/2009 |
| 7357836 | Crystalline membranes In certain aspects, the invention features methods for forming crystalline membranes (e.g., a membrane of a framework material, such as a zeolite) by inducing secondary growth in a layer of oriented seed crystals. The rate of growth of the seed crystals in the plane... | 04/15/2008 |
| 7335295 | Coated zeolite catalysts and use for hydrocarbon conversion There is provided a coated zeolite catalyst in which the accessibility of the acid sites on the external surfaces of the zeolite is controlled and a process for converting hydrocarbons utilizing the coated zeolite catalyst. The zeolite catalyst comprises core crysta... | 02/26/2008 |
| 7304011 | Compositions and processes for reducing NOemissions during fluid catalytic cracking Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeoli... | 12/04/2007 |
| 7276637 | Synthesis of cyclohexanone derivatives A novel process for preparing cyclohexanone derivatives of formula (I) is described. The products are useful as gamma secretase inhibitors, or as intermediates in the synthesis of other gamma secretase inhibitors... | 10/02/2007 |
| 7230151 | Two catalyst process for making olefin This invention is to a process of making olefin, particularly ethylene and propylene, from an oxygenate feed. The invention uses two or more zeolite catalysts. Examples of zeolite catalysts include a first catalyst containing of ZSM-5, and a second catalyst containi... | 06/12/2007 |
| 7195746 | Interior surface modifications of molecular sieves with organometallic reagents and the use thereof for the conversion of oxygenates to olefins A method for making an organometallic treated molecular sieve is described in which a molecular sieve having at least one hydroxyl group and at least [AlO2] and [PO2] tetrahedral units and having an average pore dimension less than or equal to ... | 03/27/2007 |
| 7166756 | Method for hydrocarbon isomerization The present invention is directed at a process to isomerize C10+ hydrocarbon feedstreams by contacting a C10+ hydrocarbon feedstream with a steamed catalyst. ... | 01/23/2007 |
| 7153801 | Aromatization catalyst and methods of making and using same A method of making a catalyst composition, comprising impregnating a large pore zeolite support with a platinum precursor and at least one organic ammonium halide precursor. In an embodiment, the ammonium halide precursor is represented by the formula N(R)4 | 12/26/2006 |
| 7119242 | Interior surface modifications of molecular sieves with organometallic reagents and the use thereof for the conversion of oxygenates to olefins A method for the post synthesis modification of molecular sieves with organometallic reagents. The method may be used for large pore molecular sieves and small pore molecular sieves, such as SAPO-34. SAPO-34 is a useful catalyst for the conversion of oxygenates, suc... | 10/10/2006 |
| 7115198 | Hydrocarbon conversion using molecular sieve SSZ-51 A novel crystalline aluminophosphate and metalloaluminophosphate of the molecular sieve type, denominated SSZ-51, is prepared by hydrothermal synthesis from reactive sources of aluminum and phosphorus, fluorine and an organic templating agent, 4-dimethylaminopyridin... | 10/03/2006 |
| 7102043 | Process for synthesizing diisopropylbenzene This invention relates to a process for synthesizing para-diisopropylbenzene utilizing only cumene and propylene as raw materials. This synthesis technique offers the advantage of eliminating benzene as a raw material used in the process. The elimination of benzene ... | 09/05/2006 |
| 7083714 | Hydrocarbon conversion using molecular sieve SSZ-65 The present invention relates to new crystalline molecular sieve SSZ-65 prepared using 1-[1-(4-chlorophenyl)-cyclopropylmethyl]-1-ethyl-pyrrolidinium or 1-ethyl-1-(1-phenyl-cyclopropylmethyl)-pyrrolidinium cation as a structure-directing agent, methods for synthesiz... | 08/01/2006 |
| 7067708 | Process for the preparation of p-xylene The present invention relates to a process for the preparation of para-xylene from trimethylpentane. ... | 06/27/2006 |
| 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 can include: (i) first silylating HZSM-5, to form silylated HZSM-5; (ii... | 05/23/2006 |
| 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 conditions in the presence of a alkylation catalyst comprising phosphorus an... | 05/02/2006 |
| 7026268 | Solid acid catalyst containing platinum group metal component and method for preparation thereof The present invention provides a concentration distribution for a platinum group metal component in a catalyst with which catalyst activity can be increased, and to provide a method for supporting a platinum group metal with which this concentration distribution can... | 04/11/2006 |
| 7019184 | Non-oxidative conversion of gas to liquids The present invention provides a process for natural gas in the form, e.g., of stranded gas or associated gas to transportable liquids. More particularly, the present invention provides a process in which the gas is non-oxidatively converted to aromatic liquid, pref... | 03/28/2006 |
| 7012038 | Paraffin dehydrogenation catalyst One aspect of the invention relates to a dehydrogenation catalyst composite containing alumina, chromium oxide, lithium oxide, and sodium oxide. The invention also relates to methods of making the dehydrogenation catalyst composite. Another aspect of the invention r... | 03/14/2006 |
| 6936566 | Modified metalloaluminophosphate molecular sieves The invention is directed to a method for modifying a microporous metalloaluminophosphate molecular sieve, the method comprising the steps of a) introducing a compound containing at least one M-X group within the cages of said microporous molecular sieve; and b) rea... | 08/30/2005 |
| 6909026 | Process for liquid phase aromatics alkylation comprising in-situ catalyst reactivation with polar compounds The catalyst becomes at least partially deactivated by sorbing catalyst poisons present in the feed during a process for alkylating aromatics by contacting a feed containing benzene, toluene, xylenes, alkylbenzenes, naphthalene or substituted naphthalenes under liqu... | 06/21/2005 |
| 6906233 | Modified metalloaluminophosphate molecular sieves The invention is directed to a method for modifying a microporous metalloaluminophosphate molecular sieve, the method comprising the steps of a) introducing a compound containing at least one M-X group within the cages of said microporous molecular sieve; and b) rea... | 06/14/2005 |
| 6881323 | Hydrocarbon conversion using zeolite SSZ-54 The present invention relates to new crystalline zeolite SSZ-54 prepared using a templating agent comprising N-isopropyl ethylenediamine, or a mixture of 1-N-isopropyl diethylenetriamine and isobutylamine, and processes employing SSZ-54 in a catalyst. ... | 04/19/2005 |
| 6858129 | Tailored zeolite bound zeolite catalysts and its use for hydrocarbon conversion There is provided a zeolite bound zeolite catalyst which does not contain significant amount of non-zeolitic binder and can be tailored to optimize its performance and a process for converting hydrocarbons utilizing the zeolite bound zeolite catalyst. The zeolite bo... | 02/22/2005 |
| 6841063 | Hydrocarbon conversion using zeolite SSZ-53 The present invention relates to a new crystalline zeolite SSZ-53 prepared by using phenylcycloalkylmethyl ammonium cations as structure directing agents. ... | 01/11/2005 |
| 6827843 | Hydrocarbon conversion using molecular sieve SSZ-63 The present invention relates to new crystalline molecular sieve SSZ-63 prepared using N-cyclodecyl-N-methyl-pyrrolidinium cation as a structure-directing agent, methods for synthesizing SSZ-63 and processes employing SSZ-63 in a catalyst. ... | 12/07/2004 |
| 6808620 | Hydrocarbon conversion using zeolite SSZ-64 The present invention relates to new crystalline molecular sieve SSZ-64 prepared using a N-cyclobutylmethyl-N-ethylhexamethyleneiminium cation or N-cyclobutylmethyl-N-ethylheptamethyleneiminium cation structure directing agent, and processes employing SSZ-64 in a ca... | 10/26/2004 |
| 6784333 | Catalyst for aromatization of alkanes, process of making and using thereof A catalyst, a process for making the catalyst and a process for using the catalyst in aromatization of alkanes to aromatics, specifically, aromatization of alkanes having two to six carbon atoms per molecule, such as propane, to aromatics, such as benzene, toluene a... | 08/31/2004 |
| 6784332 | Processes employing hydrocarbon conversion catalyst A hydrocarbon conversion process comprising contacting a hydrocarbon stream such as, for example, gasoline, with a catalyst composition to effect the conversion of the hydrocarbon to olefins and C6 to C8 aromatic hydrocarbons such as toluene an... | 08/31/2004 |
| 6700030 | Method for converting hydrocarbons in a three-phase reactor A process for converting hydrocarbons in the presence of a catalyst is described that is carried out in a three-phase reactor in which the liquid Peclet number is in the range 0 (excluded) to about 10, with a superficial gas velocity Ug that is... | 03/02/2004 |
| 6660812 | Production of olefin derivatives Disclosed is a system of making an olefin derivative from a dilute olefin feed. Dilute olefin is sent to an olefin reaction unit to form an olefin derivative product. The olefin derivative product is recovered from the reaction unit while a vent stream is... | 12/09/2003 |
| 6657096 | Dehydrocyclodimerization process with catalyst reactivation This invention relates to a process for reactivating a dehydrocyclodimerization catalyst. Dehydrocyclodimerization catalysts which contain an aluminum phosphate binder can be deactivated when they are exposed to hydrogen at temperatures above 500° C. The... | 12/02/2003 |
| 6645370 | Preparation of high silica zeolites bound by zeolite and use thereof This invention relates to a process for producing zeolite-bound high silica zeolites and the use of the zeolite-bound high silica zeolite produced by the process for hydrocarbon conversion. The process is carried out by forming an extrudable paste compris... | 11/11/2003 |
| 6616830 | Hydrocarbon conversion using zeolite SSZ-57 The present invention relates to a new crystalline zeolite SSZ-57 and processes employing SSZ-57 in a catalyst.... | 09/09/2003 |
| 6613949 | Oxygen enrichment process for air based gas phase oxidations which use metal oxide redox catalysts This invention is directed towards an improved process for the selective gas phase oxidation of a organic reactant using a metal oxide redox catalyst, wherein the organic reactant and air feeds are at a substantially continuous level, the improvement comp... | 09/02/2003 |
| 6600081 | Process for the preparation of p-xylene The present invention relates to a process for the preparation of para-xylene from trimethylpentane.... | 07/29/2003 |
