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| Number | Title | Issue Date |
| 7943038 | Method for producing olefins using a doped catalyst Processes for producing one or more olefins are provided. In one or more embodiments, a doped catalyst can be prepared by fluidizing one or more coked-catalyst particles in the presence of one or more oxidants to provide a fluidized mixture. At least a portion of th... | 05/17/2011 |
| 7641787 | 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... | 01/05/2010 |
| 7374662 | Method for jointly producing propylene and petrol from a relatively heavy charge A process for conversion of a hydrocarbon feedstock comprising a relatively heavy main feedstock with a boiling point above approximately 350° C., and a relatively light secondary feedstock with a boiling point below approximately 320° C., wherein, ... | 05/20/2008 |
| 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 |
| 7312370 | FCC process with improved yield of light olefins An FCC process for obtaining light olefins comprises contacting a hydrocarbon feed stream with blended catalyst comprising regenerated catalyst and coked catalyst. The catalyst has a composition including a first component and a second component. The second componen... | 12/25/2007 |
| 7261807 | Fluid cat cracking with high olefins production The propylene production of a fluid catalytic cracking unit employing a large pore zeolite cracking catalyst, produces more propylene by adding a naphtha cracking riser and a medium pore zeolite catalytic component to the unit, and recycling at least a portion of th... | 08/28/2007 |
| 7153413 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, is reduced in a catalytic cracking process employing a cracking catalyst containing a high content of vanadium. The cracking process involves introducing at least one vanadium compound ... | 12/26/2006 |
| 7151199 | Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts Hydrocarbon or oxygenate conversion process in which a feedstock is contacted with a non zeolitic molecular sieve which has been treated to remove most, if not all, of the halogen contained in the catalyst. The halogen may be removed by one of several methods. One m... | 12/19/2006 |
| 7141529 | Metal loaded microporous material for hydrocarbon isomerization processes The invention is directed to a method of making a catalyst comprising an intermediate pore size molecular sieve, preferably a zeolite of the MTT or TON type. SSZ-32 and ZSM-22 are examples of such molecular sieves. This catalyst is modified with a metal or metals se... | 11/28/2006 |
| 7101473 | Method of enhancing the activity of FCC catalysts An additive to enhance the activity of an FCC catalyst containing zeolite and matrix components comprises zeolite microspheres having a novel morphology comprising a macroporous matrix and crystallized zeolite freely coating the walls of the pores of the matrix. The... | 09/05/2006 |
| 7098162 | Catalysts for deep catalytic cracking of petroleum naphthas and other hydrocarbon feedstocks for the selective production of light olefins and method of making thereof Provided herein are monocomponent and hybrid catalyst compositions for use in steam-cracking of hydrocarbon feeds to selectively produce light olefins. The catalyst compositions being characterized by a first catalytic component comprising oxides of aluminum, silico... | 08/29/2006 |
| 6974787 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above... | 12/13/2005 |
| 6923903 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above... | 08/02/2005 |
| 6908544 | Cracking catalyst comprising layered clays and a process for cracking hydrocarbon oils using the same The present invention relates to a cracking catalyst comprising layered clays and a process for cracking hydrocarbon oils using said catalyst. Said catalyst is prepared by the process comprising the following steps: mixing and slurrying an expandable clay, a modifie... | 06/21/2005 |
| 6656345 | Hydrocarbon conversion to propylene with high silica medium pore zeolite catalysts The invention provides a method for converting a hydrocarbon feedstock to propylene comprising: contacting an olefinic hydrocarbon feedstock boiling in the naphtha range with a catalyst comprising a zeolitic catalyst selected from the group consisting of ... | 12/02/2003 |
| 6576120 | Catalytic dewaxing process The invention relates to a process for the catalytic dewaxing of a hydrocarbon feed containing waxy molecules by contacting the hydrocarbon feed under catalytic dewaxing conditions with a catalyst composition having metallosilicate crystallites, a binder ... | 06/10/2003 |
| 6562231 | Catalyst composition and processes therefor and therewith A composition comprises silicon, aluminum, zirconium, and boron. A process for producing the composition comprises contacting a silicon compound, an aluminum compound, a zirconium compound, and a boron compound under a condition sufficient to effect the p... | 05/13/2003 |
| 6555090 | Acid oxide with micro and mesoporous characteristics: ITQ-36 The invention deals with a microporous crystalline material, with a characteristic X-ray diffractogram, comprised of oxygen tetrahedra and a metal (T+4 and T+3) with the possibility of introducing surface acidity produced by the subs... | 04/29/2003 |
| 6482313 | FCC process incorporating crystalline microporous oxide catalysts having increased Lewis acidity A catalyst component, a catalyst, and a process for making the component and catalyst are disclosed herein. Also disclosed herein is a fluid catalytic cracking process for converting petroleum feedstocks to lower boiling products wherein the feedstock is ... | 11/19/2002 |
| 6419819 | Synthetic porous crystalline MCM-67, its synthesis and use This invention relates to a new synthetic porous crystalline material, designated MCM-67, a method for its preparation and use thereof in catalytic conversion of organic compounds. MCM-67 appears to be closely related in structure to VPI-8 and SSZ-41 but ... | 07/16/2002 |
| 6409911 | Silicoaluminophosphates having an AEL structure and their use as FCC catalysts Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions and high catalytic cracking activity a method for their preparation and their use as FCC catalysts. More particularly, the new SAPOs have a high silica:alumina ratio and fav... | 06/25/2002 |
| 6231751 | Oxide materials and catalyst compositions containing them A process for making a calcined, oxide material by at least partially delaminating a swollen, layered oxide material prior to calcination, and the product thereof having an increased active surface area that corresponds to an adsorption capacity for 1,3,5... | 05/15/2001 |
| 6225255 | Additive catalyst for the cracking of heavy oil An additive catalyst for the cracking of heavy oil, characterized in that the additive catalyst includes: (i) a mixed metal oxide composed of an acidic metal oxide and a basic metal oxide, in which the proportion of the basic metal oxide is from 5 to 50 m... | 05/01/2001 |
| 6200464 | FCC catalyst comprising coated zeolite particles An FCC catalyst containing zeolite particles at least 50% of the outer surface of which is coated with a layer of pre-formed inorganic oxide is used in fluidized catalytic cracking of hydrocarbon feeds. The inorganic oxide layer has a thickness in the ran... | 03/13/2001 |
| 6139721 | Fluid bed catalytic cracking process characterized by a high selectivity to olefins The invention relates to a fluid catalytic cracking process for the preparation of good quality hydrocarbon fractions with a high octane number starting from heavy hydrocarbon fractions of a poorer quality characterized in that the heavy hydrocarbon fract... | 10/31/2000 |
| 6063262 | Synthetic porous crystalline MCM-67, its synthesis and use This invention relates to a new synthetic porous crystalline material, designated MCM-67, a method for its preparation and use thereof in catalytic conversion of organic compounds. MCM-67 appears to be closely related in structure to VPI-8 and SSZ-41 but ... | 05/16/2000 |
| 5997729 | Catalytic cracking catalyst and method for cracking a heavy oil A catalytic cracking catalyst, which comprises (1) a zeolite, (2) a silica.cndot.alumina or an alumina and (3) a kaolin, has a pore diameter distribution having a peak at a pore diameter of 450 to 3,000 Å, and has 40 to 75% of a pore volume of pores of n... | 12/07/1999 |
| 5976355 | Low residence time catalytic cracking process A process for producing liquid fuels from heavy hydrocarbons such as residual oil in which the cracking temperatures are in the range of 800° F. to 1200° F., and the residence times are between 0.05 seconds and 0.50 seconds.... | 11/02/1999 |
| 5976353 | Raffinate hydroconversion process (JHT-9601) A process for producing a high VI/low volatility lubricating oil basestock. The process comprises subjecting the raffinate from a solvent extraction step to a two step, single stage hydroconversion process wherein the first step involves severe hydroconve... | 11/02/1999 |
| 5935416 | Raffinate hydroconversion process A process for producing a high VI/low volatility lubricating oil basestock. The process comprises subjecting the raffinate from a solvent extraction step to a two-step, single-stage hydroconversion process wherein the first step involves severe hydroconve... | 08/10/1999 |
| 5788834 | Catalytic cracking process with Y zeolite catalyst comprising silica binder containing silica gel A catalytic cracking catalyst and catalytic cracking process for cracking the 650° F.+ portion in a heavy feed to lighter products. The catalytic cracking catalyst contains a Y zeolite in a silica binder that is substantially free of catalytically active... | 08/04/1998 |
| 5714056 | Process for deasphalting residua (HEN9511) A process for deasphalting a residua feedstock by use of a short vapor contact time thermal process unit comprised of a horizontal moving bed of fluidized hot particles. It is preferred that a mechanical means be used to fluidize a bed of hot particles.... | 02/03/1998 |
| 5672264 | Methods of using stable supergallery pillared clay compositions A class of highly stable supergallery pillared clay compositions that have a basal spacing up to 55 Å corresponding a gallery height of 35 Å for samples dried at room temperature and a basal spacing up to 45 Å corresponding a gallery height of 255 Å f... | 09/30/1997 |
| 5656149 | Hydrocarbon conversion processes using zeolite SSZ-41 The present invention relates to new crystalline zeolite SSZ-41 which comprises oxides of (1) silicon or a mixture of silicon and germanium, and (2) zinc, said zinc being present in an amount from about 2 wt % to about 5 wt % of zinc metal based on the to... | 08/12/1997 |
| 5641395 | Process and compositions for Mn containing catalyst for carbo-metallic hydrocarbons An improved "magnetic hook"-promoted catalytic process, catalyst and method of manufacture for heavy hydrocarbon conversion, optionally in the presence of nickel and vanadium on the catalyst and in the feed stock to produce lighter molecular weight fracti... | 06/24/1997 |
| 5430222 | Apparatus for the catalytic cracking in the fluid state of hydrocarbon feedstocks An apparatus for the catalytic cracking in the fluid state of hydrocarbon feedstocks which comprises a riser-type column (2); at the top of the riser (2) and concentric therewith, a chamber (1) for separation of the hydrocarbon vapors and the coke-laden c... | 07/04/1995 |
| 5393411 | Hydrocarbon conversion process using a fluorided beidellite clay Hydrocarbon conversion processes such as alkylation and hydrocracking are described which use as the catalyst a novel beidellite clay. The clay has the empirical formula Ax (Al4)(Si8-x Alx)(O20)(OH)4-... | 02/28/1995 |
| 5391287 | Hydrocarbon conversion process using zeolite SSZ-35 The present invention relates to new crystalline zeolite SSZ-35 prepared by processes for preparing crystalline molecular sieves, particularly large pore zeolites, using conformationally constrained aza-polycyclic ring system templating agents.... | 02/21/1995 |
| 5326466 | Distillate dewaxing reactor system integrated with olefin upgrading Catalytic dewaxing of distillate feedstock is carried out concurrently with upgrading of olefins by oligomerization to produce fuel products.... | 07/05/1994 |
| 5326464 | Crystalline composition A process for converting feedstock comprising hydrocarbon compounds to product comprising hydrocarbon compounds of lower molecular weight than said feedstock hydrocarbon compounds which comprises contacting said feedstock at conditions for said conversion... | 07/05/1994 |
