| Patent Number |
Title Of Patent |
Date Issued |
| 7399727 |
Zeolite catalyst and method |
July 15, 2008 |
| 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 a phosphorus content of at least 8% by weight of zeolite and has multiple phosphorus specie |
| 7368410 |
Zeolite catalyst and method of preparing and use of zeolite catalyst |
May 6, 2008 |
| 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.degree. C. or higher and combined with an inorganic oxide binder material to form a zeolite-binder |
| 7361791 |
Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins |
April 22, 2008 |
| A catalyst for production of unsaturated aldehydes, such as methacrolein, by gas phase catalytic oxidation of olefins, such as isobutylene, contains oxides of molybdenum, bismuth, iron, cesium and, optionally, other metals. The catalyst has a certain relative amount ratio of cesium t |
| 7355088 |
Process for producing benzene, ethylene and synthesis gas |
April 8, 2008 |
| Process for producing benzene, ethylene and synthesis gas, comprising the steps of: i) introducing a starting gas flow comprising methane and carbon dioxide into a reactor; ii) oxidizing the methane in the reactor at certain reactor conditions optionally using a first catalytic material |
| 7345199 |
Catalyst composition for the selective conversion of alkanes to unsaturated carboxylic acids, me |
March 18, 2008 |
| A catalyst composition having the formula: Mo.sub.1V.sub.aSb.sub.bNb.sub.cM.sub.dO.sub.x wherein M is gallium, bismuth, silver or gold, a is 0.01 to 1, b is 0.01 to 1, c is 0.01 to 1, d is 0.01 to 1 and x is determined by the valence requirements of the other components. Other metal |
| 7304194 |
Hydrothermal treatment of phosphorus-modified zeolite catalysts |
December 4, 2007 |
| 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 phosphorus-treated ZSM-5 zeolite catalyst is calcined and steamed. Steaming of the catalyst |
| 7285511 |
Method of modifying zeolite catalyst |
October 23, 2007 |
| 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 ZSM-5-type zeolite and an aqueous solution of a phosphorus compound. Water is removed from the |
| 7279608 |
Toluene methylation process with increased methanol selectivity |
October 9, 2007 |
| 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 toluene/methanol feed under reactor conditions suitable for the methylation of toluene. Wa |
| 7273829 |
Catalyst for oxidation of saturated and unsaturated aldehydes to unsaturated carboxylic acid, me |
September 25, 2007 |
| The invention is a supported or bound heteropoly acid catalyst composition, a method of making the catalyst composition and a process for the oxidation of saturated and/or unsaturated aldehydes to unsaturated carboxylic acids using the catalyst composition. The catalyst composition h |
| 7268268 |
Dimerization of olefins |
September 11, 2007 |
| A process for the dimerization of at least one olefin with a carbon number between 2 and 10 by contacting the feed with a catalyst system comprising at least: (a) tectometallosilicate zeolite with having TON-type structure, (b) tectometallosilicate zeolite with having MTT-type struct |
| 7256319 |
Catalysts for production of olefins by oxidative dehydrogenation, and methods of making and usin |
August 14, 2007 |
| The present invention provides a catalyst composition for the production of olefins by oxidative dehydrogenation of hydrocarbons, and of using such catalyst compositions. The catalysts of the present invention include compositions of the formula: X.sub.xY.sub.yWO.sub.z wherein X is |
| 7253325 |
Process for the preparation of alkylene glycols |
August 7, 2007 |
| Disclosed is a process for the preparation of alkylene glycols from the corresponding alkylene oxide, such as ethylene glycol from ethylene oxide, in the presence of water, a catalyst and, optionally, carbon dioxide. The catalyst is a SALEN-type compound which contains an amino group |
| 7247593 |
Catalyst for aromatization of alkanes, process of making and using thereof |
July 24, 2007 |
| 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 and xylene. The cat |
| 7244869 |
Method of aromatic alkylation |
July 17, 2007 |
| 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 .ANG. containing a hydrogenating metal. The catalyst may be used in preparing an alkyl aromatic product by providing the catalyst |
| 7232788 |
Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins |
June 19, 2007 |
| A catalyst for production of unsaturated aldehydes, such as methacrolein, by gas phase catalytic oxidation of olefins, such as isobutylene, contains oxides of molybdenum, bismuth, iron, cesium and, optionally, other metals. The catalyst has a certain relative amount ratio of cesium t |
| 7229946 |
Catalyst composition for the selective conversion of alkanes to unsaturated carboxylic acids, me |
June 12, 2007 |
| A catalyst composition having the formula: Mo.sub.1V.sub.aSb.sub.bNb.sub.cM.sub.dO.sub.x wherein M is gallium, bismuth, silver or gold, a is 0.01 to 1, b is 0.01 to 1, c is 0.01 to 1, d is 0.01 to 1 and x is determined by the valence requirements of the other components. Other metals |
| 7196237 |
Method of preparing an alkyl aromatic product |
March 27, 2007 |
| 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 the dissolved alumina solution. A method of preparing an aromatic product, such as a xyl |
| 7196233 |
Process for the preparation of alkylene glycols |
March 27, 2007 |
| Disclosed is a process for the preparation of alkylene glycols from the corresponding alkylene oxide, such as ethylene glycol from ethylene oxide, in the presence of water, a catalyst and, optionally, carbon dioxide. The catalyst contains an amphoteric compound, such as such as (ethy |
| 7189674 |
Supported catalyst composition for polymerization of olefins, method for preparing the same and |
March 13, 2007 |
| Supported catalyst composition for polymerization of olefins comprising: (i) a titanium compound, a magnesium compound and at least one electron donor compound; (ii) an oxygen containing polymer support; and (iii) a cocatalyst comprising at least one aluminum compound. |
| 7186872 |
Catalyst for aromatization of alkanes, process of making and process of using thereof |
March 6, 2007 |
| A catalyst of a gallium zeolite on which platinum (Pt/Ga-ZSM-5) has been deposited may be used for aromatization of alkanes having two to six carbon atoms per molecule, such as ethane, propane, butane, etc., to aromatics, such as benzene, toluene and xylenes (BTX). The gallium zeolit |
| 7186871 |
Process for alkane aromatization using platinum-zeolite catalyst |
March 6, 2007 |
| Aromatization of alkanes having one to four carbon atoms per molecule to aromatics, such as benzene, toluene and xylenes (BTX), uses a catalyst of a crystalline zeolite on which platinum has been deposited, specifically a platinum-containing ZSM-5. A byproduct of the process is a light g |
| 7186670 |
Process for the ammoxidation of alkanes and olefins |
March 6, 2007 |
| A process for the vapor phase ammoxidation of alkanes and olefins with a catalyst of the general empirical formula: VSb.sub.aM.sub.bQ.sub.cO.sub.x wherein M is at least one element selected from magnesium, aluminum, zirconium, silicon, hafnium, titanium and niobium, Q is at least one |
| 7161046 |
Process for the preparation of alkylene glycols |
January 9, 2007 |
| Disclosed is a process for the preparation of alkylene glycols from the corresponding alkylene oxide, such as ethylene glycol from ethylene oxide, in the presence of water, a catalyst and, optionally, carbon dioxide. The catalyst is a SALEN-type compound which contains an amino group |
| 7105713 |
Preparation of alkyl-aromatic products |
September 12, 2006 |
| 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 ZSM-5-type zeolite catalyst with a fluoride-containing compound. The fluoride-containing zeolite |
| 7098367 |
Process for the preparation of alkylene glycols |
August 29, 2006 |
| Disclosed is a process for the preparation of alkylene glycols from the corresponding alkylene oxide, such as ethylene glycol from ethylene oxide, in the presence of water, a catalyst and, optionally, carbon dioxide. The catalyst contains amines which are weak bases, specifically hav |
| 7094942 |
Carbon dioxide promoted dehydrogenation process for olefins |
August 22, 2006 |
| A process for the dehydrogenation of alkane hydrocarbons is disclosed. The process comprises contacting the alkane with a chromium-based dehydrogenation catalyst in the presence of carbon dioxide at a temperature of from about 400.degree. C. to about 700.degree. C., a pressure of fro |
| 7091392 |
Dehydrogenation process for olefins |
August 15, 2006 |
| A process for the dehydrogenation of alkane hydrocarbons is disclosed. The process comprises contacting an alkane with a chromium-based dehydrogenation catalyst in the presence of molecular oxygen at a temperature of from about 400.degree. C. to about 700.degree. C., a pressure of fr |
| 7084318 |
Toluene methylation process |
August 1, 2006 |
| 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 methylation reaction by contacting the catalyst with a toluene/methanol feed and a cofeed of h |
| 7084216 |
Process for the polymerization of olefins |
August 1, 2006 |
| The present invention relates to a process for homopolymerization of ethylene or copolymerization of ethylene with alpha-olefins by contacting ethylene or ethylene and alpha-olefin with a catalyst composition comprising: (a) a solid catalyst precursor comprising at least one vanadium |
| 7067088 |
Stratified flow chemical reactor |
June 27, 2006 |
| A polymerization reactor for exothermic liquid phase reactions comprises a reaction zone which is divided into a plurality of channels by thermally conductive heat transfer fins which are conductively mounted on one or more heat pipes for the removal of heat of reaction from reactants an |
| 7060864 |
Toluene methylation process |
June 13, 2006 |
| 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 toluene/methanol feed and a cofeed of hydrogen under reactor conditions suitable for the methylation |
| 7060646 |
Supported catalyst composition for polymerization of olefins, method for preparing the same and |
June 13, 2006 |
| Supported catalyst composition for polymerization of olefins comprising: (i) a titanium compound, a magnesium compound and at least one electron donor compound; (ii) a chlorine containing polymer support; and (iii) a cocatalyst comprising at least one aluminum compound, wherein the m |
| 7060644 |
Aromatic alkylation catalyst and method |
June 13, 2006 |
| 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 .ANG. containing a hydrogenating metal. The catalyst may be used in preparing an alkyl aromatic product by providing the catalyst |
| 7029650 |
Process for making a germanium-zeolite |
April 18, 2006 |
| This invention relates to a process for making a germanium-zeolite. The zeolite is preferably a MFI-type structure, most preferably a ZSM-5 MFI zeolite. The germanium-zeolite is synthesized from an aqueous gel containing a silica source, a germanium source, an aluminum source and a s |
| 7018591 |
High heat transfer tubular reactor |
March 28, 2006 |
| A vapor-phase tubular reactor in a shell heat exchanger for removal of the heat of reaction at essentially isothermal conditions has porous wicking surface applied to the external surface of reactor tubes. The porous wicking surface on the reactor tubes draws liquid heat transfer fluid |
| 7009075 |
Process for the selective conversion of alkanes to unsaturated carboxylic acids |
March 7, 2006 |
| The invention disclosed is a process for the selective conversion of an alkane to an unsaturated carboxylic acid in a one-step process with a mixed metal oxide catalyst composition having the general formula: MoV.sub.aNb.sub.bTe.sub.cSb.sub.dM.sub.eO.sub.x wherein M is optional and |
| 7001862 |
Catalyst composition for polymerization of olefins and method for preparing the same |
February 21, 2006 |
| The present invention relates to a catalyst composition for polymerization of olefins comprising: (a) a solid catalyst pre cursor comprising at least one vanadium compound, at least one magnesium compound and a polymeric material or a solid catalyst precursor comprising at least one |
| 6992033 |
Process for preparation of catalyst composition for ethylene polymerization |
January 31, 2006 |
| Process for preparing a catalyst composition for ethylene polymerization or copolymerization, with the steps of: (a) treating at least one magnesium alkoxide compound with the effluent waste from a process for production of a polypropylene catalyst of the Ziegler-Natta type, the effl |
| 6989347 |
Catalysts for the oxidation of unsaturated aldehydes to produce carboxylic acids and methods of |
January 24, 2006 |
| A catalyst composition for the production of carboxylic acids by the oxidation of the corresponding unsaturated aldehydes, and methods for making and using the catalyst compositions. The catalysts include compositions of the formula: Mo.sub.aV.sub.bAl.sub.cX.sub.dY.sub.eO.sub.z where |
| 6977064 |
Apparatus for the controlled optimized addition of reactants in continuous flow reaction systems |
December 20, 2005 |
| An apparatus for performing continuous flow chemical reactions such as oxidation, oxidative dehydrogenation and partial oxidation processes involving a reactor design characterized by controlled/optimized addition of a reactant with the objective of: (i) avoiding the explosion regime of |
| 6946422 |
Preparation of mixed metal oxide catalysts for catalytic oxidation of olefins to unsaturated ald |
September 20, 2005 |
| A process for making a catalyst containing oxides of molybdenum, bismuth, iron, cesium and, optionally, other metals, such as tungsten, cobalt, nickel, antimony, magnesium, zinc, phosphorus, potassium, rubidium, thallium, manganese, barium, chromium, boron, sulfur, silicon, aluminum, |
| 6943131 |
Selective zeolite catalyst modification |
September 13, 2005 |
| 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 the dissolved alumina solution. A method of preparing an aromatic product, such as a xylene |
| 6919472 |
Catalyst compositions for the selective conversion of alkanes to unsaturated carboxylic acids, m |
July 19, 2005 |
| A catalyst composition for the selective conversion of an alkane to an unsaturated carboxylic acid having the general formula:wherein optional element M may be one or more selected from aluminum, copper, lithium, sodium, potassium, rubidium, cesium, gallium, phosphorus, iron, rhenium, co |
| 6916963 |
Process using water tolerant Lewis acids in catalytic hydration of alkylene oxides to alkylene g |
July 12, 2005 |
| Water tolerant Lewis acids are used in a process for the preparation of alkylene glycols by catalytic hydration of the corresponding alkylene oxide. The water tolerant Lewis acids can be a metal salt of a non-coordinating or weakly coordinating anion and a Group IIIB, rare earth or l |
| 6825149 |
Highly selective shell impregnated catalyst of improved space time yield for production of vinyl |
November 30, 2004 |
| A shell impregnated catalyst of Pd-Au produced on a silica support to have a Pd loading of 1.8 g/L of catalyst to about 7.2 g/L and a Au to Pd weight ratio of 0.3 to 2.0 by impregnating the support with aqueous solutions of palladium and gold salts or acids and thereafter precipitating w |
| 6818189 |
Tubular reactor with gas injector for gas phase catalytic reactions |
November 16, 2004 |
| A continuous flow chemical reaction apparatus comprises a tubular reactor having a length and having a first fluid reactant inlet at a first end and a product outlet at a second end, said tubular reactor having a central tube/interior conduit extending lengthwise within said tubular reac |
| 6794332 |
Highly selective shell impregnated catalyst of improved space time yield for production of vinyl |
September 21, 2004 |
| A shell impregnated catalyst of Pd--Au produced on a silica support by impregnating the support with aqueous solutions of palladium and gold salts or acids and thereafter precipitating water insoluble compounds of Pd and Au on the support with alkali metal silicate or hydroxide fixing |
| 6784333 |
Catalyst for aromatization of alkanes, process of making and using thereof |
August 31, 2004 |
| 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 and xylene. The cat |
| 6784263 |
Catalyst compositions for polymerizing olefins to multimodal molecular weight distribution polym |
August 31, 2004 |
| A solid catalyst component comprises a transition metal-containing metallocene compound, a non-cyclopentadienyl transition metal compound, a magnesium compound and a polymeric material which acts as a support. The catalyst component is combined with co-catalyst organoaluminum compound or |
| 6696594 |
Process for the conversion of aldehydes to esters |
February 24, 2004 |
| A process for the conversion of aldehydes to esters, specifically acrolein or methacrolein to methyl acrylate or methyl methacrylate, respectively. Essentially in the absence of water, an aldehyde is contacted with an oxidizing agent to form an intermediate and then the intermediate is |
