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| Number | Title | Issue Date |
| 7416653 | Systems and methods of producing a crude product Contact of a crude feed with one or more catalysts produces a total product that includes a crude product. The crude feed has a residue content of at least 0.2 grams of residue per gram of crude feed. The crude product is a liquid mixture at 25° C. and 0.101 MPa. O... | 08/26/2008 |
| 7220701 | Catalyst and process for selective hydrogenation A selective hydrogenation catalyst composition comprises a rhodium component present in an amount such that the catalyst composition comprises less than 3.0% of rhodium by weight of the total catalyst composition; and an indium component present in an amount such th... | 05/22/2007 |
| 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 |
| 7169736 | Catalyst for hydrogenation of unsaturated hydrocarbons A catalyst is described for hydrogenation of unsaturated hydrocarbons, containing catalytically active amounts of Pd and optionally Ag in a support. The catalyst is characterized by the fact that the support represents a shaped body with a trilobal cross section, th... | 01/30/2007 |
| 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 |
| 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 |
| 6620313 | Hydroconversion process using bulk group VIII/Group VIB catalysts Hydroconversion process of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni--Mo--W.... | 09/16/2003 |
| 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 |
| 6193875 | Oil soluble coking additive, and method for making and using same A method for making an oil soluble coking process additive, includes the steps of: providing mixture of a metal salt in water wherein the metal salt contains a metal selected from the group consisting of alkali metals, alkaline earth metals and mixtures t... | 02/27/2001 |
| 6149799 | Catalyst compromising a mixed sulphide and its use for hydrorefining and hydroconverting hydrocarbons The invention concerns a catalyst for hydrorefining and hydroconverting hydrocarbon feeds, comprising a mixed sulphide comprising at least two elements selected from elements with an atomic number selected from the group formed by the following numbers: 3... | 11/21/2000 |
| 6136180 | Catalyst comprising a NU-88 zeolite, a group VB element and its use for hydroconverting hydrocarbon-containing petroleum feeds The invention provides a hydrocracking catalyst comprising at least one NU-88 zeolite, at least one group VB metal, preferably niobium, at least one amorphous or low crystallinity matrix, optionally at least one metal selected from the group formed by gro... | 10/24/2000 |
| 6043182 | Production of oil soluble catalytic precursors A method for preparing an oil soluble catalytic precursor includes the steps of: providing a mixture of a catalytic metal salt in water, wherein the catalytic metal salt contains a catalytic metal selected from the group consisting of alkali metals, alkal... | 03/28/2000 |
| 6030522 | Combined steam conversion process for treating vacuum gas oil A process for upgrading a heavy hydrocarbon feed includes the steps of: providing a hydrocarbon feedstock including a fraction having a boiling point greater than or equal to about 320° C.; mixing the feedstock with steam so as to provide a reaction feed... | 02/29/2000 |
| 6030921 | Sulfur resistant hydroconversion catalyst and hydroprocess of sulfur-containing lube feedstock The present invention relates to a novel platinum palladium alloy catalyst useful in hydrofinishing and hydrocracking non low sulfur content feedstock and the process of hydrofinishing and hydrocracking such non low sulfur content feedstock feeds. The cat... | 02/29/2000 |
| 6027707 | NU-88 zeolite, a process for its preparation and catalytic applications thereof The invention concerns NU-88 zeolite, characterized by: i) a chemical composition with the following formula, expressed in terms of the mole ratios of the oxides for the anhydrous state: 100 XO2, mY2 O3, pR2/n O where m i... | 02/22/2000 |
| 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 |
| 5885441 | Steam conversion process and catalyst A process for steam conversion of a hydrocarbon feedstock in the presence of a catalyst includes the steps of (a) providing a catalytic emulsion comprising a water in oil emulsion containing a first alkali metal and a second metal selected from the group ... | 03/23/1999 |
| 5824214 | Method for hydrotreating and upgrading heavy crude oil during production Heavy crude oil containing at least 1% by weight water is hydrotreated and upgraded while being produced downhole in a production well. During production the heavy crude oil containing water is subjected to sonic energy at a low frequency of 400 Hz to 10 ... | 10/20/1998 |
| 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 |
| 5688395 | Process and catalyst for upgrading heavy hydrocarbon A catalyst for use in a process for steam conversion of a heavy hydrocarbon feedstock includes the steps of: providing a heavy hydrocarbon feedstock; providing a catalytically active phase comprising a first metal and a second metal wherein said first met... | 11/18/1997 |
| 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 |
| 5538624 | Process, apparatus and compositions for recycle of cracking catalyst additives An improved catalytic process for heavy hydrocarbon conversion (usually but not necessarily in the presence of nickel and vanadium in the feedstock and on the catalyst) to produce lighter and selective molecular weight fractions. This process is specifica... | 07/23/1996 |
| 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 |
| 5520797 | Fluid catalytic cracking with a zinc ferrite-containing catalyst A process for the fluid catalytic cracking of heavy fraction oils containing heavy metals such as Ni and V, which comprises withdrawing a portion of ferrite-containing catalyst particles circulating in a fluid catalytic cracking apparatus, separating the ... | 05/28/1996 |
| 5324420 | Sulfur removal from hydrocarbons with nickel containing catalyst Treatment of sulphur bearing hydrocarbons, especially olefin feedstocks to the oxo process, with a nickel-containing catalyst, especially spent hydrogenation catalyst, which may be amine treated.... | 06/28/1994 |
| 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 |
| 5248409 | Metal on rare earth modified silica alumina as hydrocarbon conversion catalyst Rare earth oxides, such as Nd2 O3 disperse onto the surface of SiO2 /Al2 O3 and act as weakly basic titrants. This lowers the acidity of SiO2 /Al2 O3 to close to that of ch... | 09/28/1993 |
| 5230869 | Addition of magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing By continuously or intermittently adding amounts of magnetically active moieties, e.g. iron compounds, over time so that the moiety deposits on a catalyst or sorbent in a fluid catalytic cracker or similar circulating hydrocarbon conversion unit, older ca... | 07/27/1993 |
| 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 |
| 5131993 | Low power density plasma excitation microwave energy induced chemical reactions Disclosed is a method for cracking a hydrocarbon material. The method includes introducing a stream including a hydrocarbon fluid and a carrier fluid into a reaction zone. A microwave discharge plasma is continuously maintained within the reaction zone, a... | 07/21/1992 |
| 5106486 | Addition of magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing By continuously or intermittently adding amounts of magnetically active moieties, e.g. iron compounds, over time so that the moiety deposits on a catalyst or sorbent in a fluid catalytic cracker or similar circulating hydrocarbon conversion unit, older ca... | 04/21/1992 |
| 5068477 | Process for reducing a refining catalyst and use of the catalyst in hydrogenation This invention concerns a process for reducing a refining catalyst before it is put into use, the catalyst containing a support and an active phase based on at least one noble or non-noble metal of group VIII or of group Ib of the periodic classification ... | 11/26/1991 |
| 5021144 | Process for the reduction of NOX in an FCC regeneration system by select control of CO oxidation promoter in the regeneration zone A process is disclosed wherein a regenerator is operated in an incomplete mode of combustion to regenerate FCC catalyst to burn coke contained thereon in the presence of a CO oxidation promoter. The quantity of the CO oxidation promoter is regulated so th... | 06/04/1991 |
| 5015349 | Low power density microwave discharge plasma excitation energy induced chemical reactions Disclosed is a method for cracking a hydrocarbon material. The method includes introducing a stream including a hydrocarbon fluid into a reaction zone. A microwave discharge plasma is continuously maintained within the reaction zone, and in the presence o... | 05/14/1991 |
| 4936977 | Zeolite SSZ-24 A crystalline zeolite SSZ-24 is prepared using an adamantane quaternary ion as a template.... | 06/26/1990 |