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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8110093 | Process for producing low molecular weight hydrocarbons from renewable resources Described herein are methods for cracking a biocrude, particularly catalytically cracking a biocrude that primarily includes olefmic hydrocarbons. Also described herein are compositions and methods of producing such compositions that are useful as fuels or fuel prod... | 02/07/2012 |
| 7414166 | Minimizing catalyst backflow in fluidized bed reactors This invention provides feed introduction devices, and processes for using same, which minimize catalyst clogging. In particular, the invention is to a feed introduction device having a first end in fluid communication with a feed source, a second end in fluid commu... | 08/19/2008 |
| 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 |
| 7375257 | Process for cracking an olefin-rich hydrocarbon feedstock A process for cracking an olefin containing hydrocarbon feedstock which is selective towards light olefins in the effluent, the process comprising passing a hydrocarbon feedstock containing one or more olefins through a moving bed reactor containing a crystalline si... | 05/20/2008 |
| 7344633 | Process to prepare a base oil having a high saturates content A process to prepare a base oil having a saturates content of more than 90 wt %, a sulphur content of less than 0.03 wt %, and, a viscosity index of between 80 and 120 from a solvent refined base oil feedstock, which process comprises: (a) contacting th... | 03/18/2008 |
| 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 |
| 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 |
| 7270743 | Products produced form rapid thermal processing of heavy hydrocarbon feedstocks The present invention is directed to the upgrading of heavy hydrocarbon feedstock that utilizes a short residence pyrolytic reactor operating under conditions that cracks and chemically upgrades the feedstock. The process of the present invention provides for the pr... | 09/18/2007 |
| 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 |
| 7223896 | Fines co-feed for maintaining efficient reactor hydrodynamics This invention provides processes for maintaining a desired particle size distribution in an oxygenate to olefin reaction system. In one embodiment, the invention comprises replacing lost catalyst fines with less active co-catalyst particles. By adding less active c... | 05/29/2007 |
| 7214844 | Molecular sieve catalyst compositions, 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 a making a molecular s... | 05/08/2007 |
| 7176160 | Method for forming a Fischer-Tropsch catalyst using a boehmite support A method is provided for forming a highly active Fischer-Tropsch catalyst using boehmite having a particular crystallite size. In this method, a support material comprising boehmite is contacted with a catalytic metal-containing compound to form a catalyst precursor... | 02/13/2007 |
| 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 |
| 7145051 | Combined oxydehydrogenation and cracking catalyst for production of olefins A catalyst is provided comprising (1) at least one solid acid component, and (2) at least one metal-based component comprised of one or more element from Groups 1–3, one or more element from Groups 4–15 and one or more element from Groups 16 and 17 of the Period... | 12/05/2006 |
| 7144498 | Supercritical hydrocarbon conversion process Supercritical conversion of hydrocarbons boiling above 538° C. (1000° F.) with a solvating hydrocarbon at a weight ratio of solvating hydrocarbon to high-boiling hydrocarbons of at least 2:1 and at conditions above the critical temperature and pressure of the high... | 12/05/2006 |
| 7125817 | 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 metal-based component comprised of one or more elements from Group 3 a... | 10/24/2006 |
| 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 metal-based component comprised of two or more elements from Groups 4â... | 10/17/2006 |
| 7122492 | 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 metal-based component comprised of one or more elements from Groups 1 ... | 10/17/2006 |
| 7122493 | 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 metal-based compo... | 10/17/2006 |
| 7122495 | 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 system contains at least one solid acid component and at least one metal-based component which consists of (a) oxygen and/or sulfur and ... | 10/17/2006 |
| 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 Weight Hourly Space Velocities of feedstock to pass through without genera... | 10/10/2006 |
| 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 |
| 7087155 | Production of olefins A process for cracking an olefin-rich hydrocarbon feedstock which is selective towards light olefins in the effluent, the process comprising contacting a hydrocarbon feedstock containing olefins having a first composition of at least one olefinic component with a cr... | 08/08/2006 |
| 7077948 | Catalytic dewaxing process Process for the catalytic dewaxing of a hydrocarbon oil feed including waxy molecules and more than 500 ppmw of sulphur or sulphur containing compounds by contacting the oil feed under catalytic dewaxing conditions with a catalyst composition comprising at least a h... | 07/18/2006 |
| 7033487 | FCC catalyst for reducing the sulfur content in gasoline and diesel A catalyst composition comprising about 5–55 wt % metal-doped anionic clay, about 10–50 wt % zeolite, about 5–40 wt % matrix alumina, about 0–10 wt % silica, about 0–10 wt % of other ingredients, and balance kaolin. In metal-doped anionic clays, the additi... | 04/25/2006 |
| 7025873 | Use of cationic layered materials, compositions, comprising these materials, and the preparation of cationic layered materials Cationic layered materials, a process for their preparation and their use in hydrocarbon conversion, purification, and synthesis processes, such as fluid catalytic cracking. Cationic layered materials are especially suitable for the reduction of SOx and NOx emission... | 04/11/2006 |
| 6998037 | Use of zeolite ITQ-21 in the catalytic cracking of organic compounds The present invention relates to the use of zeolite ITQ-21 in a process of catalytic cracking of organic compounds. In said cracking process the zeolite ITQ-21 can be present in the catalyst as the sole zeolite component of same of combined with at least one second ... | 02/14/2006 |
| 6977321 | Production of propylene A process for the production of propylene from an olefinic feedstock containing at least one olefin of C4 or greater, the process comprising contacting the olefinic feedstock with a catalyst of the MFI-type having a silicon/aluminum atomic ratio of at lea... | 12/20/2005 |
| 6951968 | Production of olefins A process for the production of olefins by catalytic cracking, the process comprising feeding a hydrocarbon feedstock containing at least one olefin of C4 or greater over a MFI-type crystalline silicate catalyst to produce an effluent containing at least ... | 10/04/2005 |
| 6949238 | Microporous crystals and synthesis schemes Novel zeolites are produced by combining a polar solute, a silicon or phosphorous source, and a structure directing agent. Surfactants and a hydrophobic solvent are added to the previously mixed three species and shaken to disperse the surfactants. The reverse micro... | 09/27/2005 |
| 6942784 | Structurally enhanced cracking catalysts Zeolite microsphere FCC catalysts having a novel morphology comprising a porous matrix and crystallized zeolite freely coating the walls of the pores of the matrix. The catalysts are formed from microspheres containing a metakaolin and an alumina source other than k... | 09/13/2005 |
| 6942783 | Enhanced FCC catalysts for gas oil and resid applications A fluid catalytic cracking catalyst is provided with a high porosity by in-situ crystallizing an aluminosilicate zeolite from a reactive microsphere comprising metakaolin and hydrous kaolin. Any calcination of the reactive microsphere before reaction with a zeolite-... | 09/13/2005 |
| 6930219 | Mesoporous material with active metals A process for treating organic compounds includes providing a composition which includes a substantially mesoporous structure of silica containing at least 97% by volume of pores having a pore size ranging from about 15 â„« to about 30 â„« and having a micropore vol... | 08/16/2005 |
| 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 |
| 6908602 | Hydrocarbon conversion process Method for producing hydrogen and a hydroprocessed product from a hydrocarbonaceous feedstock by subjecting it to a catalytic hydrocracking treatment using hydrogen which has been at least partly produced from hydrocracked feedstock and subjecting at least pan of th... | 06/21/2005 |
| 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 |
| 6776899 | Cracking catalyst composition The present invention relates to a cracking catalyst composition comprising a physical mixture of 10-90 weight % of a cracking catalyst A and 90-10 weight % of a cracking catalyst B, whereby catalyst A is a zeolite-containing cracking catalyst, and catalyst B is a c... | 08/17/2004 |
| 6730208 | Chip and method for fitting out a chip comprising a plurality of electrodes Chips, and methods of manufacturing thereof, comprising a base having a surface, and a plurality of components integrated in the base. Each component is coupled to at least one individual electrode disposed on the surface and to a counter-electrode. Each component o... | 05/04/2004 |
| 6722618 | Foldable support frame for supporting cutting machine A foldable support frame for supporting a cutting machine comprises two opposing pairs of leg frames each of which comprises a pair of first crossed legs and second crossed legs that are pivotally connected together. Where the first and second crossed legs cross, tw... | 04/20/2004 |
