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| Number | Title | Issue Date |
| 7431825 | Gasoline sulfur reduction using hydrotalcite like compounds The present invention describes novel methods for reducing sulfur in gasoline with hydrotalcite like compound additives, calcined hydrotalcite like compounds, and/or mixed metal oxide solution solutions. The additives can optionally further comprise one or more meta... | 10/07/2008 |
| 7347929 | Gasoline sulfur reduction using hydrotalcite like compounds The present invention describes novel methods for reducing sulfur in gasoline with hydrotalcite like compound additives, calcined hydrotalcite like compounds, and/or mixed metal oxide solution. The additives can optionally further comprise one or more metallic oxida... | 03/25/2008 |
| 7347930 | Process for cracking hydrocarbon oils A novel process for cracking olefins including contacting a hydrocarbon oil with a catalyst in a riser reactor having multiple reaction zones under cracking reaction conditions; separating reaction products and the catalyst; regenerating at least a part of spent cat... | 03/25/2008 |
| 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 |
| 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 |
| 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 |
| 7090767 | Hydrodesulfurization of gasoline fractions A method for processing a gasoline range hydrocarbon stream wherein a single reactor/distillation tower stream is fractionated into a light fraction and a heavy fraction, the light fraction is hydrodesulfurized, the heavy fraction is optionally hydrocracked and then... | 08/15/2006 |
| 6790343 | Sulfur transfer additive for catalytic cracking of hydrocarbons and a catalytic cracking process of hydrocarbons using the same The present invention relates to a sulfur transfer additive for catalytic cracking of hydrocarbons and a catalytic cracking process of hydrocarbons using the sulfur transfer additive, said additive is a uniform liquid comprising at least two metal elements selected ... | 09/14/2004 |
| 6726834 | Process for catalytic cracking of a hydrocarbon feed with a MFI aluminisilcate composition A process for catalytic cracking of a hydrocarbon feed, includes the steps of providing an initial hydrocarbon fraction; providing a catalyst comprising an aluminosilicate composition having an aluminosilicate composition having an aluminosilicate framework and cont... | 04/27/2004 |
| 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 |
| 6558647 | Microporous and mesoporous silicoaluminate solid, process for preparation, use as a catalyst and for hydrocarbon conversion The invention relates to an acidic silicoaluminate solid that has a microporous zeolitic phase that is characterized by at least one infrared band between 400-1600 cm-1, an organized mesoporosity that is characterized by the presence of at least one X-dif... | 05/06/2003 |
| 6153089 | Upgradation of undesirable olefinic liquid hydrocarbon streams A process for converting undesirable olefinic hydrocarbon streams to hydrogen and petrochemical feedstock e.g. light olefins in C2 -C4 range and aromatics especially toluene and xylenes, which comprises simultaneous cracking and refo... | 11/28/2000 |
| 6136290 | IM-5 zeolite, a process for its preparation and catalytic applications thereof The invention concerns IM-5 zeolite with a chemical composition with the following formula, expressed in terms of the mole ratios of the oxides for the anhydrous state: 100XO2,mY2 O3, pR2/n O where m is 10 or le... | 10/24/2000 |
| 5972205 | FCC process using binary molecular sieves having a core and shell of different structures and compositions Disclosed is a novel binary sieve catalyst useful for olefin upgrading and fluid catalytic cracking which comprises a crystalline zeolite metallosilicate core and a shell selected from an aluminum phosphate molecular sieve (AlPO4), a silicon-substit... | 10/26/1999 |
| 5954946 | Hydrocarbon conversion catalysts The present invention provides a catalyst comprising a very ultrastable zeolite Y (VUSY) in which less than 15% of the total amount of aluminum (Al) present is octahedrally coordinated; a process for preparing the zeolite; and a hydrocarbon conversion pro... | 09/21/1999 |
| 5868923 | Hydroconversion process An improved ebullated bed hydroconversion process is disclosed that utilizes a bimodal heterogeneous catalyst and a metal containing oil-miscible-catalysts compound to achieve a reduction in sediment, an increase in conversion, a reduction in the energy u... | 02/09/1999 |
| 5863417 | Method for analyzing for strippable hydrocarbon on FCC catalyst A FCC process in which spent catalyst is stripped of hydrocarbon in a stripping zone prior to entering the regenerator. In order to maximize the amount of strippable hydrocarbon removed in the stripping zone, a sample of spent catalyst is removed prior to... | 01/26/1999 |
| 5723716 | Method for upgrading waxy feeds using a catalyst comprising mixed powdered dewaxing catalyst and powdered isomerization catalyst formed into a discrete particle (LAW082) It has been discovered that waxy feeds can be upgraded using a catalyst made by combining powdered dewaxing catalyst with powdered isomerization catalyst said mixture of powdered catalysts being formed into a discrete particle.... | 03/03/1998 |
| 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 |
| 5591324 | Hydroprocessing scheme for production of premium isomerized light gasoline A hydroconversion catalyst composition includes a catalytically active matrix having a surface area of between about 50 m2 /g to about 290 m2 /g, a silicious molecular sieve support medium distributed through the matrix and having a ... | 01/07/1997 |
| 5582713 | Catalytic cracking utilizing a catalyst comprising zeolite GZS-11 A synthetic zeolite, designated zeolite GZS-11, is made having a molar composition expressed by the formula: [x M2/n O+(1.0&#b1;0.2-x)R2/n O]:Y2 O3 :y XO2 :wH2 O where M is an inorganic cation o... | 12/10/1996 |
| 5318692 | FCC for producing low emission fuels from high hydrogen and low nitrogen and aromatic feeds A fluid catalytic cracking process for producing relatively low emissions fuels. The feedstock is relatively low in nitrogen and aromatics and high in hydrogen content and the catalyst is a mixture of zeolite-Y and ZSM-5, or an amorphous acid catalytic ma... | 06/07/1994 |
| 5318693 | FCC for producing low emission fuels from high hydrogen and low nitrogen and aromatic feeds A fluid catalytic cracking process for producing relatively low emissions fuels. The feedstock is relatively low in nitrogen and aromatics and high in hydrogen content and the catalyst is an amorphous silica-alumina containing a separate surface silica ph... | 06/07/1994 |
| 5318694 | FCC for producing low emission fuels from high hydrogen and low nitrogen and aromatic feeds A fluid catalytic cracking process for producing relatively low emissions fuels. The feedstock is exceptionally low in nitrogen and aromatics and relatively high in hydrogen and a 345° C.+ products fraction is recycled to the cracking zone. The catalyst ... | 06/07/1994 |
| 5314612 | Fluid catalytic cracking process for producing low emissions fuels Disclosed is a fluid catalytic cracking process for producing low emissions fuels. The feedstock is exceptionally low in nitrogen and aromatics and relatively high in hydrogen. The catalyst is a mixture of zeolite Y and zeolite beta (ଲ). The feedsto... | 05/24/1994 |
| 5294332 | FCC catalyst and process A process and catalyst are provided for the catalytic cracking of a hydrocarbon feedstock to catalytic cracking conversion products comprising the steps of contacting the hydrocarbon feedstock at catalytic cracking conditions with a catalytic cracking cat... | 03/15/1994 |
| 5284717 | Method for producing raw materials for a reformer by cracking and desulfurizing petroleum fuels The present invention provides a method for producing raw materials for a reformer by cracking and desulfurizing petroleum fuels, characterized by cracking and desulfurizing petroleum fuels in a desulfurizer in the fuel cell electricity generation process... | 02/08/1994 |
| 5183559 | Rare earth exchanged layered silicate catalysts There is provided a catalyst comprising a layered silicate, such as magadiite, containing interspathic polymeric silica which serves to prop open the layers. The catalyst further comprises rare earth cations which are exchanged with other cations in the s... | 02/02/1993 |
| 5164073 | Catalytic cracking catalyst containing diatomaceous earth A catalytic composite and its use in the fluidized catalytic cracking of hydrocarbons in the absence of added hydrogen. The composite comprises a binder material, a crystalline aluminosilicate, preferably a Y-type zeolite, and diatomaceous earth. Optional... | 11/17/1992 |
| 5160032 | Hydrocarbon conversion process using alumina clay compositions This invention relates to hydrocarbon conversion process using a catalyst consisting essentially of a layered clay homogeneously dispersed in an inorganic oxide matrix. The clay is dispersed in such a way that the clay layers are completely surrounded by ... | 11/03/1992 |
| 5135642 | Hydrocarbon conversion processes using novel crystalline silicon enhanced aluminas This invention relates to novel silicon enhanced aluminas (SEAL), processes to prepare them, and hydrocarbon conversion processes using the SEALs. The SEAL compositions have a bulk empirical formula of Al2-x Six O3 Fx... | 08/04/1992 |
| 5112473 | Hydrotreating or cracking process employing an acidified dealuminated Y-zeolite A hydrocarbon conversion process to yield product of improved properties is effected in the presence of a zeolite characterized by increased Secondary Pore Volume, decreased Lattice Constant, Secondary Pore Mode, Secondary Pore Diameter, increased Seconda... | 05/12/1992 |
| 5085763 | Catalyst and its use for a catalytic dewaxing process A process for dewaxing of petroleum fractions involves contacting a petroleum fraction charge under appropriate dewaxing conditions with a catalyst containing a zeolite of the MFI structure or a silica with MFI framework topology, the zeolite or the silic... | 02/04/1992 |
| 5062946 | Catalytic dewaxing process The invention relates to a process for dewaxing an atomspheric or a vacuum gas oil in the presence of at least one catalyst comprising: a/ 2 to 99.4% by weight of a synthetic crystalline zeolite of the ferrisilicate type, the approximate chemical formula of th... | 11/05/1991 |
| 5047141 | Larger pore molecular sieves of controlled activity Organic compound conversion over catalyst comprising the product of a method for controlling the catalytic activity of a large pore molecular sieve which contains framework boron is provided. Control is effected by treatment with a solution of a metal sal... | 09/10/1991 |
| 5037531 | Catalytic cracking process A catalytic cracking process is disclosed using a catalyst comprising a framework dealuminate Y zeolite, which is rare earth and aluminum exchanged.... | 08/06/1991 |
| 5037530 | Catalytic cracking with layered silicates There is provided a process for cracking hydrocarbon feedstocks which include large hydrocarbon molecules. Examples of such feedstocks are those which include a large proportion of resids. The catalyst used in this process comprises a layered silicate, su... | 08/06/1991 |
| 4992161 | Chromium/tin mixture as sulfur dioxide oxidation promoter for FCC units Controlling sulfur oxide emissions from FCC regenerator flue gas by mixing a sulfur sorbent in the circulating inventory and having present in the regeneration zone a chromium/tin sulfur dioxide oxidation promoter.... | 02/12/1991 |
| 4976847 | Process for the catalytic cracking of a hydrocarbon feedstock Process for the catalytic cracking of a hydrocarbon feedstock, comprising contacting the feedstock with a catalyst composition comprising a zeolite I having a pore diameter larger than 0.7 nm and a zeolite II having a pore diameter smaller than 0.7 nm, wh... | 12/11/1990 |
| 4902392 | Hydrocracking process A catalytic hydrocracking process for use in refining various petroleum based feedstocks to lighter hydrocarbons. The hydrocracking process for treatment of petroleum fractions utilizes a catalyst comprising (a) a layered metal oxide of the titanometallat... | 02/20/1990 |
