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| Number | Title | Issue Date |
| 7977273 | Enhancement of molecular sieve performance A catalyst for converting methanol to light olefins and the process for making and using the catalyst are disclosed and claimed. SAPO-34 is a specific catalyst that benefits from its preparation in accordance with this invention. A seed material is used in making th... | 07/12/2011 |
| 7972989 | Enhancement of molecular sieve performance A catalyst for converting methanol to light olefins and the process for making and using the catalyst are disclosed and claimed. SAPO-34 is a specific catalyst that benefits from its preparation in accordance with this invention. A seed material is used in making th... | 07/05/2011 |
| 7713904 | Composition for desulfurization This invention relates to a composition with desulfurization property, in which the desulfurization component is a kind of molecular sieves with incorporation of vanadium into the skeleton. The composition has high hydrothermal stability and the vanadium is hard to ... | 05/11/2010 |
| 7645718 | Microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure and methods of making and using same There is disclosed a hydrothermally stable microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure, such as SAPO-34 or aluminosilicate zeolite, able to retain a specific percentage of its surface area and micr... | 01/12/2010 |
| 7622417 | Synthesis and use of AEI structure-type molecular sieves A method is disclosed of synthesizing an aluminophosphate or metalloaluminophosphate molecular sieve comprising an AEI structure type material, in which the rate of heating to the crystallization temperature is controlled, either alone or in combination with the H | 11/24/2009 |
| 7560408 | Catalytically active amorphous porous solid and process for its preparation Amorphous porous solid of an acidic nature, with a controlled pore size, essentially consisting of a mixed oxide of silicon, aluminum and phosphorous, having a surface area of at least 200 m2/g, which can be used as a catalyst or active carrier of a catal... | 07/14/2009 |
| 7501375 | 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 catalytic hydrocarbon conversion processes. In one of its aspects, the inv... | 03/10/2009 |
| 7419932 | Method for preserving catalyst The method for preserving a catalyst of the present invention is characterized in that, in a process for continuously producing an objective product by a vapor phase oxidation reaction using a phosphorus-molybdenum-vanadium catalyst containing phosphorus, molybdenum... | 09/02/2008 |
| 7407907 | Dual functional catalyst for selective opening of cyclic paraffins and process for using the catalyst A catalyst for selectively opening cyclic paraffins has been developed. The catalyst comprises a Group VIII metal, such as platinum, a modifier component, such as niobium or ytterbium, a molecular sieve, such as UZM-16 and a refractory inorganic oxide such as alumin... | 08/05/2008 |
| 7405177 | Catalyst for selective opening of cyclic naphtha and process for using the catalyst A catalyst and process for opening aliphatic cyclic hydrocarbons have been developed. The catalyst comprises a catalytic metal component, a molecular sieve and refractory inorganic oxide component. The molecular sieve is selected from the group consisting of MAPSOs,... | 07/29/2008 |
| 7384887 | Attrition resistant molecular sieve catalysts This invention is directed to a hardened molecular sieve catalyst composition, a method of making the composition and a method of using the composition. The catalyst composition is made by mixing together molecular sieve, liquid, and an effective hardening amount of... | 06/10/2008 |
| 7375050 | Synthesis and use of aluminophosphates and silicoaluminophosphates Disclosed are methods and compositions of synthesis mixtures for the synthesis of aluminophosphates and silicoaluminophosphate molecular sieves, which enable the control and adjustment of the crystal particle size of aluminophosphates and silicoaluminophosphate mole... | 05/20/2008 |
| 7371915 | Conversion of oxygenate to propylene using moving bed technology The average cycle propylene selectivity of an oxygenate to propylene (OTP) process using one or more fixed beds of a dual-function oxygenate conversion catalyst is substantially enhanced by the use of moving bed reactor technology in the hydrocarbon synthesis portio... | 05/13/2008 |
| 7371916 | Conversion of an alcoholic oxygenate to propylene using moving bed technology and an etherification step The average propylene selectivity per on-stream cycle of an alcoholic oxygenate to propylene (OTP) process using one or more fixed beds of a dual-function oxygenate conversion catalyst is substantially enhanced by the use of a feed pretreatment step involving a cata... | 05/13/2008 |
| 7365041 | Method for producing ammoxidation catalyst An ammoxidation catalyst comprising a molybdenum (component (1)), bismuth (component (2)), at least one element selected from the group consisting of nickel, cobalt, zinc, magnesium, manganese and copper (component (3)) and at least one element selected from the gro... | 04/29/2008 |
| 7361794 | Zone reactor In a method of converting alkanes to their corresponding alcohols and ethers a vessel comprises a hollow, unsegregated interior defined first, second, and third zones. In a first embodiment of the invention oxygen reacts with metal bromide in the first zone to provi... | 04/22/2008 |
| 7358412 | Method of making molecular sieve catalyst Disclosed is a method for making molecular sieve catalyst particles. Dried molecular sieve catalyst particles are used to make the catalyst. The dried molecular sieve catalyst particles are put into an aqueous solution and stirred to make a slurry. The slurry is dri... | 04/15/2008 |
| 7355086 | Method for stabilizing catalyst activity during MTO unit operation A method for maintaining the activity of silicoaluminophosphate (SAPO) molecular sieve catalyst particles during oxygenate to olefin conversion reactions. After regeneration of SAPO catalyst particles, the regenerated particles are mixed with particles having coke o... | 04/08/2008 |
| 7345213 | Protecting catalytic activity of a SAPO molecular sieve This invention is directed to a method of making an olefin product from an oxygenate feedstock and a method of protecting catalytic activity of a silicoaluminophosphate molecular sieve. The methods comprise providing a silicoaluminophosphate molecular sieve having c... | 03/18/2008 |
| 7341706 | Method of synthesising crystalline microporous metalloaluminophosphate for a solid body The invention concerns a simple and cheap method for production of microporous crystalline metalloaluminiumphosphates (ELAPO) for use as adsorbent or catalyst by wholly or partially filling the pores of particles containing aluminum phosphate (AIPO) with an aqueous ... | 03/11/2008 |
| 7341707 | Method for in-situ synthesis of crystalline microporous metalloaluminophosphate in a formed body The invention concerns a method for production of microporous crystalline metalloaluminium phosphates (ELAPO) based adsorbents or catalysts by in-situ crystallisation of ELAPO inside a formed body. First the formed body containing aluminium phosphate (AIPO) and bind... | 03/11/2008 |
| 7335621 | Catalyst compositions and preparation thereof This invention relates to a process and the product thereof for preparing, a molecular sieve catalyst composition, comprising a mixture of: a first quantity of molecular sieve particles, having an 8-ring or larger structure, and a pore size of from about 3 angstroms... | 02/26/2008 |
| 7329624 | Regenerable adsorbents for the purification of silicone based solvents An adsorbent for removal of impurities from silicone based solvents is presented. The adsorbent is regenerable for repeated use in cleaning silicone based solvents. ... | 02/12/2008 |
| 7329625 | Attrition resistant molecular sieve catalyst This invention provides a process for making an attrition resistant molecular sieve catalyst composition. The formation of highly attrition resistant catalyst particles is accomplished by initially mixing together catalyst components to form a slurry at a relatively... | 02/12/2008 |
| 7329790 | Wet scrubbing and recycle of effluent-contaminating catalyst particles in an oxygenate-to-olefin process The economics of a catalytic process using a fluidized conversion zone and a relatively expensive catalyst for converting an oxygenate to light olefins are substantially improved by recovering and recycling effluent contaminating catalyst particles from the product ... | 02/12/2008 |
| 7320782 | Process for preparing a layered molecular sieve composition A process for preparing a layered composition has been developed. The composition comprises an inner core and an outer layer comprising a molecular sieve. The process involves providing a slurry comprising inner core particles and sources of the framework elements o... | 01/22/2008 |
| 7319178 | Molecular sieve compositions, catalysts thereof, their making and use in conversion processes 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 composition comprises a mole... | 01/15/2008 |
| 7317133 | Process for enhanced olefin production The present invention relates to a process for the production of light weight olefins comprising olefins having from 2 to 3 carbon atoms per molecule from an oxygenate feedstock. The process comprises passing the oxygenate feedstock to an oxygenate conversion zone c... | 01/08/2008 |
| 7314964 | Catalytic naphtha cracking catalyst and process A process is disclosed for enhancing the production of light olefins using a catalyst with small pores. The catalyst comprises a molecular sieve having 10 membered rings with channels of limited length. The molecular sieve has a high silica to alumina ratio and has ... | 01/01/2008 |
| 7309679 | Attrition resistant MTO catalyst A process is presented for the formation of a SAPO-34 catalyst product. The process creates a harder, more attrition resistant catalyst for use in the MTO process. ... | 12/18/2007 |
| 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 that deactivating contaminants present in typical hydrocarbon feeds,... | 12/11/2007 |
| 7301064 | 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 amorphous aluminum phosphate binder provide processes for isomerizing xylene ... | 11/27/2007 |
| 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 composition. In particular, the invention is directed to making a formulated mo... | 11/27/2007 |
| 7282137 | Process for preparing basestocks having high VI A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreating step is under conditions such that the amount of conversion to 343° C. minus is less than 5 wt. % of the feedstock an... | 10/16/2007 |
| 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 solid-acid support such as mordenite, which has been treated with a sulfur-b... | 09/25/2007 |
| 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 composition. In particular, the invention is directed to a catalyst composition... | 09/25/2007 |
| 7271303 | Multi-zone process for the production of diesel and aromatic compounds A multi-zone process for the production of low sulfur diesel and aromatic compounds wherein C9+ hydrocarbons are hydrocracked to produce low sulfur diesel and a naphtha boiling range stream which is reformed and transalkylated within reforming ... | 09/18/2007 |
| 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 composition. In particular, the invention is directed to a molecular sieve cata... | 09/18/2007 |
| 7268265 | Apparatus and process for light olefin recovery The present invention relates to a process and apparatus for the production of light olefins comprising olefins having from 2 to 3 carbon atoms per molecule from a feedstock containing heavier olefins. An intermediate cut from a fractionation column is used as olefi... | 09/11/2007 |
| 7265193 | Polymerization process This invention relates to a process to polymerize olefins comprising: contacting: (i) propylene and (ii) a mixture comprising, optionally ethylene, and three or more different alpha olefins having ... | 09/04/2007 |
