Bizarre Patents
A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8173567 | Process for regenerating catalyst Disclosed is a catalyst distributor and process for spreading catalyst over a regenerator vessel. Nozzles disposed angular to a header of the distributor spread catalyst throughout a full cross section of the catalyst bed. ... | 05/08/2012 |
| 7951740 | Method of inhibiting in situ silicate formation in desulfurization sorbents A method for regenerating desulfurization sorbents that minimizes the in situ formation of one or more silicates. It has been discovered that regenerating sulfur-laden sorbent particles in a carbon oxide-rich environment unexpectedly reduces the in situ silicate for... | 05/31/2011 |
| 7655589 | Process and apparatus for the regeneration of spent FCC catalyst Disclosed is an improved regeneration process and system for the regeneration of a spent FCC catalyst in a regenerator without vertical partitions by introducing different fluidization gas streams to different regions of a dense phase catalyst zone at the lower end ... | 02/02/2010 |
| 7452838 | Controlling temperature in catalyst regenerators This invention relates to efficiently regenerating catalyst particles by minimizing the formation of localized “hot spots” and “cold spots” in a regeneration zone. In one embodiment, the invention includes mixing spent catalyst from a reactor and cold cataly... | 11/18/2008 |
| 7419929 | Critical phase alkylation process A process for the production of ethylbenzene by the ethylation of benzene in the critical phase over a molecular sieve aromatic alkylation catalyst comprising cerium-promoted zeolite beta. An aromatic feedstock having a benzene content of at least 90 wt. % is suppli... | 09/02/2008 |
| 7368090 | FCC spent catalyst distributor An distributor arrangement introduces spent FCC catalyst more uniformly across the dense bed of the regenerator to provide more even contact with regeneration gas in order to avoid hot spots and zones of incomplete combustion. The invention forms a fluidized hopper ... | 05/06/2008 |
| 7312173 | Regeneration method with efficient oxygen utilization This invention relates to regeneration of coked catalyst by combustion so that the catalyst can be reused in a hydrocarbon conversion reaction. The completion of coke burn is generally measured with a combination of temperature or change in oxygen concentration. Dro... | 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 |
| 7267811 | Fuel reformer catalyst and absorbent materials Materials that are useful for absorption enhanced reforming (AER) of a fuel, including absorbent materials and catalyst materials, and methods for using such materials for the conversion of carbon-based fuels to a H2-rich product gas. The materials can be... | 09/11/2007 |
| 7264788 | Fuel reformer catalyst and absorbent materials Materials that are useful for absorption enhanced reforming (AER) of a fuel, including absorbent materials and catalyst materials and methods for using the materials. The materials can be fabricated by spray processing. The use of the materials in AER can produce a ... | 09/04/2007 |
| 7250140 | FCC reactor A fluid catalytic reactor vessel having at its upper end a single centrally positioned primary cyclone having a gas-solids inlet fluidly connected to the downstream end of a fluid catalytic riser, which riser is positioned externally from a fluid catalytic reactor v... | 07/31/2007 |
| 7217401 | Mercury removal from activated carbon and/or fly ash A method for reducing the amount of mercury affixed to a sorbent and/or fly ash is disclosed. The method includes the steps of providing an amount of sorbent and/or fly ash wherein at least a portion of the amount of sorbent and/or fly ash has particulates having me... | 05/15/2007 |
| 7198862 | Process for preparing a low-sulfur reformate gas for use in a fuel cell system The invention provides a multistep process for preparing a low-sulfur reformate gas for use in a fuel cell system. The process comprises catalytic steam reforming of a reactant gas mixture comprising sulfur-containing hydrocarbons and steam in a first step to make a... | 04/03/2007 |
| 7199069 | Method for destruction of organic compounds by co-oxidation with activated carbon A method for oxidizing carbon adsorbable organic compounds in a controlled manner within a bed of activated carbon. The bed of activated carbon is exposed to a source of molecular oxygen, such as air, and is controlled within a temperature range whereby the molecula... | 04/03/2007 |
| 7172685 | Desulfurization system with novel sorbent transfer mechanism A hydrocarbon desulfurization system employing regenerable solid sorbent particulates in a fluidized bed desulfurization reactor. The sulfur-loaded sorbent particulates are continuously withdrawn from the reactor and transferred to a regenerator. A novel solids tran... | 02/06/2007 |
| 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 |
| 7153479 | Catalyst regenerator with a centerwell A catalyst regenerator for regenerating spent light FCC catalyst and heating the catalyst to supply heat to an FCC reactor. The regenerator has discharge outlets for catalyst and off gas and a valve for introducing spent catalyst through a central stand pipe portion... | 12/26/2006 |
| 7148171 | Method for adding heat to a reactor system used to convert oxygenates to olefins The present invention provides a method for adding heat to a reactor system used to convert oxygenates to olefin, in which supplemental heat is added with a heating fuel, e.g., a torch oil, having low autoignition temperature, low sulfur, and low nitrogen content. | 12/12/2006 |
| 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 |
| 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 |
| 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 4... | 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 |
| 7053260 | Reducing temperature differences within the regenerator of an oxygenate to olefin process The present invention provides a process for making an olefin product from an oxygenate feedstock which comprises: a) contacting the feedstock in a reaction zone with a catalyst comprising i) a molecular sieve having defined pore openings and ii) a CO oxidati... | 05/30/2006 |
| 7026262 | Apparatus and process for regenerating catalyst Disclosed is an apparatus and process for prolonging the residence time of catalyst in a chamber for regenerating catalyst. Spent catalyst, perhaps from an FCC reactor, is introduced into a chamber of a regeneration vessel between lower and higher combustion gas dis... | 04/11/2006 |
| 7025927 | Hot air blowing type fluidized-bed furnace, rotary heat-treatment furnace, heat-treatment apparatus, and method of heat treatment A heat-treatment apparatus including a first furnace for heat treatment and solution treatment of a work piece, and a second furnace for heat treatment and aging treatment of a work piece, wherein each furnace includes a dispersion tube cantilevered and immersed wit... | 04/11/2006 |
| 6979360 | Apparatus and process for preventing coke accumlation in a centripetal separator In a cyclone separator used for separating solids from gases, we discovered placing at least one opening in a lateral surface of a gas outlet conduit on a side facing away from an inlet to the cyclone separator prevents coke deposits from forming thereon. A pluralit... | 12/27/2005 |
| 6974842 | Process for catalyst recovery from a slurry containing residual hydrocarbons In a system and method for recovering a catalyst, a slurry comprising said catalyst and residual hydrocarbons is heated so as to vaporize hydrocarbons. The vaporized hydrocarbons are separated from the catalyst. The separated catalyst is preferably further contacted... | 12/13/2005 |
| 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 |
| 6838487 | Method and apparatus for regenerating an iron-based Fischer-Tropsch catalyst Solvent extraction is used to remove wax and contaminants from an iron-based Fischer-Tropsch catalyst in a natural circulation continuous-flow system. The wax-free catalyst is then subjected to controlled oxidation to convert the iron to its initial oxidized state, ... | 01/04/2005 |
| 6827908 | Standpipe inlet for enhancing particulate solids circulation for petrochemical and other processes In a fluid catalytic cracking (FCC) unit, a regenerator, a stripper or a withdrawal well connecting to either of the vessels, includes a standpipe for circulating catalyst from one vessel to another, the standpipe having an inlet design which reduces gas entrainment... | 12/07/2004 |
| 6812179 | Process for regenerating a slurry fischer-tropsch catalyst A process for regenerating a slurry Fischer-Tropsch catalyst, which needs regeneration, involves de-waxing and drying the catalyst sufficiently to produce a free-flowing catalyst powder that is fluidizable; fluidizing the catalyst powder; treating the catalyst powde... | 11/02/2004 |
| 6809054 | FCC spent catalyst distributor An distributor arrangement introduces spent FCC catalyst more uniformly across the dense bed of the regenerator to provide more even contact with regeneration gas in order to avoid hot spots and zones of incomplete combustion. The invention forms a fluidized hopper ... | 10/26/2004 |
| 6776607 | Process for minimizing afterburn in a FCC regenerator The invention relates to a process and apparatus for controlling afterburning in the regenerator of a FCC unit. The process and apparatus inject steam into the dilute phase within a regenerator to promote combustion of carbon monoxide before it enters the regenerato... | 08/17/2004 |
| 6635795 | Desulfurization with improved sorbent regeneration While contacting under regeneration conditions an oxygen-containing stream with a sorbent comprising a promoter metal and zinc sulfide which has been sulfurized by contact with sulfur-containing hydrocarbons such as cracked-gasolines and diesel fuel, the ... | 10/21/2003 |
| 6610255 | Vanadium removal in FCC by use of an outboard vessel A fluid catalytic cracking (FCC) process performed in a FCC process unit containing a reactor, a regenerator and an outboard vessel. Catalyst particles containing vanadium are circulated back and forth from the reactor to the regenerator and back and fort... | 08/26/2003 |
| 6602476 | Apparatus and process for heat exchange with fluid beds Apparatus and process for heat exchange with fluid beds comprises heat-exchange tubes located longitudinally with respect to the axis of a fluidization zone with a rectangular pitch, one side of which having a length at least one and a half times the leng... | 08/05/2003 |
| 6579820 | Reactor modifications for NOx reduction from a fluid catalytic cracking regeneration vessel A process for regenerating a spent catalyst having coke deposits thereon in a catalyst regeneration vessel having a dense phase and a dilute phase, wherein the process comprises the steps of: (a) contacting the spent catalyst with a primary oxygen-contain... | 06/17/2003 |
| 6566539 | Catalyst regeneration by treatment with an oxidizing agent A process for the production of tetrahydrofuran, gamma butyrolactone, 1,4-butane diol and the like from a hydrogenatable precursor such as maleic acid, succinic acid, corresponding esters and their mixtures and the like in the presence of hydrogen and a n... | 05/20/2003 |
