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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 6929736 | Compounds, compositions and methods to reduce SOx emissions from FCC units Anionic clay compounds such as hydrotalcite-like compounds can be made by a process wherein a non-hydrotalcite-like compound (or a hydrotalcite-like compound) are heat treated and then hydrated to form hydrotalcite-like compounds having properties (e.g., increased h... | 08/16/2005 |
| 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 |
| 6916417 | Catalytic cracking of a residuum feedstock to produce lower molecular weight gaseous products The present invention provides a catalytic cracking process. The process includes introducing at least one species of a natural or synthetic residuum containing feedstock and a catalyst into a catalytic cracker reaction zone, and thereafter cracking the feedstock in... | 07/12/2005 |
| 6916416 | Apparatus and process for enhanced feed atomization A process and apparatus for atomizing a fluid is disclosed herein. The fluid is mixed with an atomizing fluid in a plurality of locations and passed through a nozzle. ... | 07/12/2005 |
| 6913687 | Method of producing synthesis gas from a regeneration of spent cracking catalyst The present invention provides a method of producing a synthesis gas from a regeneration of a spent cracking catalyst. The method includes introducing a spent cracking catalyst into a first regeneration zone in a presence of a first atmosphere comprising a first oxy... | 07/05/2005 |
| 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 |
| 6905591 | Deep catalytic cracking process The present invention provides a catalytic cracking reactor system and process in which a riser reactor is configured to have two sections of different radii in order to produced improved selectivity to propene and butenes as products. ... | 06/14/2005 |
| 6902707 | Apparatus and process for enhanced feed atomization A process and apparatus for atomizing a fluid is disclosed herein. The fluid is mixed with an atomizing fluid in a plurality of locations and passed through a nozzle. ... | 06/07/2005 |
| 6902593 | Separation device to remove fine particles A multi-cyclone gas/solids separator with reduced solids re-entrainment is disclosed. The separator uses a plurality of cyclones spaced horizontally apart from adjacent cyclones to process flue gas containing residual catalyst fines. Each cyclone has a body that has... | 06/07/2005 |
| 6881323 | Hydrocarbon conversion using zeolite SSZ-54 The present invention relates to new crystalline zeolite SSZ-54 prepared using a templating agent comprising N-isopropyl ethylenediamine, or a mixture of 1-N-isopropyl diethylenetriamine and isobutylamine, and processes employing SSZ-54 in a catalyst. ... | 04/19/2005 |
| 6881873 | High-activity isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of... | 04/19/2005 |
| 6866771 | Process and apparatus for upgrading FCC product with additional reactor with catalyst recycle A process and apparatus is disclosed for contacting feed with mixed catalyst in a secondary reactor that is incorporated into an FCC reactor. The mixed catalyst used in the secondary reactor is regenerated catalyst from a regenerator that regenerates spent catalyst ... | 03/15/2005 |
| 6863803 | Production of low sulfur/low nitrogen hydrocrackates A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrodesulfurizing stage containing one or more reaction zones in the pr... | 03/08/2005 |
| 6858769 | Lithium aluminate layered catalyst and a selective oxidation process using the catalyst A catalyst for the selective oxidation of hydrogen has been developed. It comprises an inert core such as cordierite and an outer layer comprising a lithium aluminate support. The support has dispersed thereon a platinum group metal and a promoter metal, e.g. platin... | 02/22/2005 |
| 6858130 | Method and apparatus for separating solids from a gaseous phase The present invention relates to a method and apparatus for separating particulate matter from a gaseous stream. According to the method, the gaseous stream containing the suspended particulates is passed into a separator apparatus which includes at least two multip... | 02/22/2005 |
| 6852214 | 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 additive comprising a porous molecular sieve which contains a metal in an oxidation state above zero within... | 02/08/2005 |
| 6846403 | 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... | 01/25/2005 |
| 6846405 | Circulating fluid bed reactor system This invention is to a circulating fluid bed reactor that is designed so as to have the ability to adjust catalyst holdup within the reaction zone of the reactor while maintaining substantially constant catalyst circulation rate through the reaction zone. The abilit... | 01/25/2005 |
| 6837989 | Cycle oil conversion process The invention relates to a process for converting cycle oils produced in catalytic cracking reactions into olefin and naphtha. More particularly, the invention relates to a process for hydroprocessing a catalytically cracked light cycle oil, and then re-cracking it ... | 01/04/2005 |
| 6835302 | FCC process and apparatus with automatic catalyst recycle control An FCC process and apparatus that blends spent and regenerated catalyst before the catalyst contacts the feed in a reaction zone. The circulation rate of spent catalyst is automatically controlled based on a circulation rate of regenerated catalyst. ... | 12/28/2004 |
| 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 |
| 6824672 | Use of austenitic stainless steels in applications requiring anti-coking properties An austenitic stainless steel with a composition comprising: at most 0.15% of C; 2% to 10% of Mn; at most 2% of Ni; at most 4% of Cu; 0.1% to 0.4% of N; ... | 11/30/2004 |
| 6800586 | NOx reduction composition for use in FCC processes A composition for controlling NOx emissions during FCC processes comprises (i) an acidic oxide support, (ii) cerium oxide, (iii) a lanthanide oxide other than ceria such as praseodymium oxide, and (iv), optionally, an oxide of a metal from Groups Ib and I... | 10/05/2004 |
| 6783663 | Hydrotreating using bulk multimetallic catalysts A hydroprocessing process, comprising: contacting a feedstock, at hydrotreating conditions, with a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least two Group VIB metals and wherein the ratio of Group VIB metal to G... | 08/31/2004 |
| 6783662 | Cavitation enhanced liquid atomization A cavitation enhanced atomizing process comprises forming a flowing solution of the liquid to be atomized and a lower boiling cavitating liquid. This flowing solution is then contacted with a pressure reducing means, at a temperature below the bubble point of the ca... | 08/31/2004 |
| 6780308 | Stripping process with disproportionately distributed openings on baffles A baffle-style stripper for an FCC process comprising sloped baffles in which a greater volumetric flow rate of stripping medium permeates openings in a bottom section of the baffle than through a top section of the baffle for low catalyst flux stripping operations.... | 08/24/2004 |
| 6758963 | Hydroprocessing using bulk group VIII/group vib catalysts A process for preparing a lubricating oil basestock containing at least about 90% saturates. The process employs a bulk catalyst comprising at least one non-noble Group VIII metal and two Group VIB metals and wherein said metal catalyst further comprises a non-noble... | 07/06/2004 |
| 6755962 | Combined thermal and catalytic treatment of heavy petroleum in a slurry phase counterflow reactor A slurry phase reactor is designed to treat extra heavy petroleum crude in a combination of thermal-zone and catalytic-zone in a counterflow system where liquid feed is added to the top and hydrogen at the bottom. Feed enters the gas-phase thermal zone, where it pas... | 06/29/2004 |
| 6740227 | Stripping process with fully distributed openings on baffles A baffle-style stripper for an FCC process having a complete or nearly complete coverage of stripping openings over the sloped surface of the baffle will provide improved stripping efficiency and catalyst flux through the stripper. The complete distribution of relat... | 05/25/2004 |
| 6736960 | Feed injection system for catalytic cracking process A fluid catalytic cracking unit includes a nozzle located in the bottom of a riser reactor. A first conduit provides a passageway for enabling a dispersing gas to flow therethrough and through an outlet passageway in a cap covering the end of the conduit. The outlet... | 05/18/2004 |
| 6723227 | Fluidized catalytic cracking process Fluidized catalytic cracking process which process comprises: (a) separating the hydrocarbon product from the spent catalyst by means of one or more gas-solid separation steps; (b) stripping the spent catalyst in a dense phase fluidized stripping zone by introducing... | 04/20/2004 |
| 6723228 | Additive used in catalytic cracking of hydrocarbons and a process of catalytic cracking of hydrocarbons using the same An additive used in catalytic cracking of hydrocarbons, which is in the form of homogeneous liquid and comprises a composite metal compound, wherein said composite metal compound consists of the oxides, hydroxides, organic acid salts, inorganic acid salts or metal o... | 04/20/2004 |
| 6709572 | Catalytic cracking process A catalytic cracking process for selectively producing C2 to C4 olefins is described in which a feedstock containing hydrocarbons having at least 5 carbon atoms is contacted, under catalytic cracking conditions, with a catalyst composition comp... | 03/23/2004 |
| 6696614 | Catalyst for steam cracking reactions and related preparation process Catalyst for steam cracking reactions consisting of pure mayenite having the general formula: having an X-ray diffraction spectrum as indicated in Table I, obtained with a preparation process comprising the following steps: dissolution of salts containing ... | 02/24/2004 |
| 6660158 | Catalytic cracking process A catalytic cracking process is described wherein the cracking takes place in a reactor under the influence of a rotating fluidized bed catalyst and compressed gases and/or steam is injected in order to effect movement of the catalyst bed.... | 12/09/2003 |
| 6656346 | Fluid catalytic cracking process for heavy oil A heavy fraction oil is catalytically cracked by contacting the oil with a catalyst mixture consisting of 60 to 95 wt % of a base cracking catalyst containing an ultra stable Y-type zeolite and less than 0.5 wt % of rare-earth metal oxide, and 5 to 40 wt ... | 12/02/2003 |
| 6656344 | Fluidized catalytic cracking process A sequential processing for heavy petroleum residues is disclosed which uses a separate mixture of catalyst and adsorbent. The solid adsorbent and FCC (fluids catalytic cracking) catalyst particles differ significant at least on particle size or density o... | 12/02/2003 |
| 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 |
| 6652736 | Stripping method for extracting solid fluidized particles and implementing device The invention concerns a stripping method for extracting solid fluidized particles whereby the particles to be stripped are subjected to a first stripping in a first chamber (9), then at least a second stripping in a second chamber (10) wherein are provid... | 11/25/2003 |
| 6635168 | Gasoline sulfur reduction catalyst for fluid catalytic cracking process The present invention is directed to certain catalyst compositions and processes that are capable of reducing sulfur compounds normally found as part of the gasoline fraction streams of fluid catalytic cracking processes. The present invention requires an... | 10/21/2003 |
