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| Number | Title | Issue Date |
| 7749374 | Methods for producing a crude product Methods for conversion of a hydrocarbon feed to a total product are described. Contact of the hydrocarbon feed with one or more catalysts at selected contacting conditions produces the total product. The total product includes a crude product that is a liquid mixtur... | 07/06/2010 |
| 7442846 | Process for the regeneration of catalysts for steam cracking Process for the regeneration of exhausted catalysts, containing one or more calcium aluminates, for steam cracking reactions, comprising treating said exhausted catalysts in a stream of water vapour at a temperature ranging from 700 to 950° C., preferably from 720 ... | 10/28/2008 |
| 7179366 | Catalyst based on a group VI metal and a group VIII metal at least partially present in the form of heteropolyanions in the oxide precursor A catalyst contains at least one group VIII element and at least molybdenum and/or tungsten, said elements being present at least in part in the catalyst in the dry state in the form of at least one heteropolyanion with formula MxAB6O24 | 02/20/2007 |
| 7008527 | Process for catalytic cracking two integrated cracking zones of different degrees of severity followed by a cooling zone The invention consists in implanting an inner tube fed at its lower portion by a fraction of regenerated catalyst inside a riser (1) of an FCC unit that is fed by catalyst via a line (14) and a feedstock via a line (3), whereby the fluid that al... | 03/07/2006 |
| 6984310 | Alumina having bimodal pore structure, catalysts made therefrom and processes using same Alumina having a pore structure characterized by the absence of macropores, no more than 5% of the total pore volume in pores greater than 350 Å, a high pore volume (greater than 0.8 cc/g measured by mercury intrusion) and a bi-modal pore volume distribution chara... | 01/10/2006 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5961815 | Hydroconversion process The hydroconversion of heavy petroliferous stocks boiling mainly above 400° F. is carried out in a distillation column reactor where concurrently a petroleum stream is fed into a feed zone; hydrogen is fed at a point below said feed zone; the petroleum s... | 10/05/1999 |
| 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 |
| 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 |
| 5858208 | Methods for improving conversion in fluidized catalytic cracking units The present invention, therefore, is directed to a novel method for improving conversion in a fluidized catalytic cracking unit feed stream containing vanadium. According to the method, an effective amount of a composition comprising at least one overbase... | 01/12/1999 |
| 5711869 | Synthetic crystalline aluminosilicate for the catalytic conversion of hydrocarbons in petrochemical processes The subject invention describes a synthetic crystalline aluminosilicate of the pentasil type and method for using the same as a catalyst or a catalyst component in petrochemical processes for the catalytic conversion of hydrocarbons and their derivatives ... | 01/27/1998 |
| 5609750 | Boron-containing catalyst A catalyst composition for converting hydrocarbons in a hydrotreatment process (hydrodesulfurization and/or hydrodenitrogenization) and simultaneously cracking them, containing an alumina-silica-alumina carrier built up from alumina and silica-alumina, on... | 03/11/1997 |
| 5525210 | Sulfur reduction in FCC gasoline Zeolite cracking catalyst compositions and additives that contain a Lewis acid supported on alumina are useful to process hydrocarbon feedstocks. The compositions are especially useful for the production of reduced sulfur gasoline.... | 06/11/1996 |
| 5366616 | Hydrocarbon conversion process using a chromium substituted molecular sieve This invention relates to hydrocarbon conversion processes using novel molecular sieve compositions as the catalyst. These molecular sieves contain chromium in the framework structure along with aluminum and silicon. The process of preparing the chromium-... | 11/22/1994 |
| 5302281 | Method for catalytic cracking of petroleum hydrocarbons Middle distillates can be produced efficiently in high yields by catalytically cracking petroleum hydrocarbons by contacting the petroleum hydrocarbons at cracking conditions with a catalyst composition comprising a cation-exchanged stevensite.... | 04/12/1994 |
| 5200058 | Catalytic conversion over modified synthetic mesoporous crystalline material A process is provided for effecting catalytic conversion of an organic compound-containing feedstock to conversion product which comprises contacting said feedstock under catalytic conversion conditions with a catalyst comprising an active form of a funct... | 04/06/1993 |
| 5196633 | Catalytic conversion A process is provided for effecting catalytic conversion of an organic compound-containing feedstock to conversion product which comprises contacting said feedstock under catalytic conversion conditions with a catalyst comprising an active form of an inor... | 03/23/1993 |
| 5108579 | Zeolites A zeolite, designated zeolite NU-86, having a molar composition expressed by the formula 100 XO2 : equal to or less than 10 Y2 O3 : equal to less than 20 R2/n O where R is one or more cations of valency n, X is ... | 04/28/1992 |
| 4895638 | Catalytic cracking process A process for the catalytic cracking of heavy petroleum fractions into lower hydrocarbons, such as fuel products. The process comprises contacting the petroleum fractions at an elevated temperature with a cracking catalyst comprising (a) a layered metal o... | 01/23/1990 |
| 4891127 | Preparation and use of catalysts comprising a mixture of tungsten oxide and silica supported on a boehmite-like surface Useful cracking catalysts and catalyst supports comprising a mixture of tungsten oxide and silica supported on a boehmite-like surface which, in turn, is supported on alumina are prepared by forming a composite of particles of (a) tungsten oxide, (b) sili... | 01/02/1990 |
| 4863892 | Antifoulants comprising tin, antimony and aluminum for thermal cracking processes The formation of carbon on metals exposed to hydrocarbons in a thermal cracking process is reduced by contacting such metals with an antifoulant selected from the group consisting of an organic compound of chromium, a combination of tin and elemental chro... | 09/05/1989 |
| 4859314 | Catalytic cracking catalysts and cracking process using non-zeolitic molecular sieves Catalytic cracking catalysts and their use in catalytic cracking processes are disclosed. The instant catalytic cracking catalysts are useful for cracking a hydrocarbon feedstock to produce lower boiling hydrocarbons. The catalysts comprise an effective a... | 08/22/1989 |
| 4851106 | Process for the use of chromium-aluminum-phosphorus-oxide molecular sieve compositions Molecular sieve compositions having three-dimensional microporous framework structures of CrO2, AlO2 and PO2 tetrahedral oxide units are disclosed. These molecular sieves have an empirical chemical composition on an anhydr... | 07/25/1989 |
| 4836910 | Catalytic dewaxing with zeolite theta-1 A process is disclosed for the catalytic dewaxing of a hydrocarbon oil by contacting said oil at catalytic dewaxing conditions with a catalyst comprising a crystalline aluminum silicate which has the following composition in terms of the molar ratios of t... | 06/06/1989 |
| 4826587 | Hydrocracking process Hydrocracking catalysts comprise a Group VIB and/or non-noble metal Group VIII hydrogenation component in conjunction with an LZ-210 zeolite preferably of SiO2 :Al2 O3 greater than 9.0, which zeolite has been hydrothermall... | 05/02/1989 |
| 4743574 | Catalyst for hydrotreatment of distillates of petroleum and method for the preparation of same A cobalt-molybdenum catalyst and a method for preparing same, said catalyst useful for the hydrodesulfurization (HDS) and hydrodenitrogenation (HDN) of distillates of petroleum. The catalyst is supported by aluminum phosphate or an aluminum borate. In a p... | 05/10/1988 |
| 4627910 | Hydrocarbon conversion process A hydrocarbon conversion catalyst containing cobalt and a Group VIB metal and having a substantially uniform cross-sectional phosphorus distribution is prepared by impregnating support particles with a solution containing dissolved cobalt, phosphorus, and... | 12/09/1986 |
| 4501820 | Method for the recovery of a tungsten-containing catalyst from coke containing nickel and vanadium A tungsten-containing catalyst associated with coke containing vanadium and nickel is recovered by a method which includes steam gasification, low temperature burning to remove at least a portion of the coke and selective extraction of the nickel and vana... | 02/26/1985 |
| 4440872 | Transition metal oxide acid catalysts Acid catalysts comprising a catalytic metal oxide component wherein said metal is selected from the group consisting essentially of (a) tungsten, niobium and mixtures thereof and (b) mixtures of (a) with tantalum, hafnium, chromium, titanium, zirconium an... | 04/03/1984 |
| 4424114 | Separating basic asphaltenes using transition metal oxide acid catalysts Basic asphaltenes are selectively removed from asphaltene-containing hydrocarbon feeds by contacting the feed with a transition metal oxide solid acid catalyst which selectively adsorbs the basic asphaltenes. The catalyst will comprise a catalytic metal c... | 01/03/1984 |
| 4422926 | Separating basic asphaltenes using Bronsted acid transition metal oxide acid catalysts Basic asphaltenes are selectively removed from asphaltene-containing hydrocarbon feeds by contacting the feed with a transition metal oxide solid acid catalyst exhibiting Bronsted acidity. The catalyst selectively adsorbs the basic asphaltenes. The cataly... | 12/27/1983 |
| 4419219 | Adsorption of basic asphaltenes on solid acid catalysts Basic asphaltenes are selectively removed from asphaltene-containing hydrocarbon feeds by contacting the feed with a solid acid, such as a solid acid cracking catalyst, which selectively adsorbs the basic asphaltenes present in the feed. The adsorption is... | 12/06/1983 |
| 4415437 | Hydrocarbon cracking using transition metal oxide Bronsted acid catalysts Hydrocarbons are cracked by contacting same, at elevated temperature with a solid acid catalyst having primarily Bronsted acidity which comprises at least one catalytic metal oxide component selected from the group consisting essentially of oxides of (a) ... | 11/15/1983 |
| 4269696 | Fluid coking and gasification process with the addition of cracking catalysts An integrated fluid coking and gasification process is provided in which a solid cracking catalyst is added to the coker chargestock and in which a partially gasified coke matrix comprising the cracking catalyst is recycled to the coker vapor phase produc... | 05/26/1981 |
| 4244811 | Catalytic cracking process with simultaneous production of a low BTU fuel gas and catalyst regeneration A process is described for the catalytic cracking of a hydrocarbon feedstream involving the use of an acid catalyst comprising a catalytic component selected from the group consisting of oxides of tungsten, niobium and mixtures thereof and tungsten or nio... | 01/13/1981 |
| 4233139 | Acid catalyzed hydrocarbon conversion processes utilizing a catalyst comprising a Group IVB, VB or VIB metal oxide on an inorganic refractory oxide support It has been discovered and forms the basis of the disclosure that various acid catalyzed hydrocarbon conversion processes such as catalytic cracking of gas oil; xylene isomerization; toluene disproportionation; dealkylation of aromatics; ethylene, butylen... | 11/11/1980 |
| 4208269 | Hydrocarbon cracking using combined perovskite and zeolite catalyst A perovskite is added to a conventional hydrocarbon cracking catalyst comprising a zeolite and an inorganic oxide gel matrix. The perovskite is present in said catalyst in an amount up to about 10 weight percent based on the total catalyst.... | 06/17/1980 |
