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| Number | Title | Issue Date |
| 7396969 | Process for preparing short chain alkyl aromatic compounds A process for producing alkyl aromatic compounds which comprises contacting at least one aromatic compound with at least one alkylating agent or transalkylating agent possessing at least one aliphatic group having from 1 to 5 carbon atoms under alkylation or transal... | 07/08/2008 |
| RE39222 | Process for preparing 2,6-dialkylnaphthalene A process for producing 2,6-dialkylnaphthalene from a hydrocarbon feedstock that contains at least one component selected from the group consisting of dialkylnaphthalene isomers, monoalkylnaphthalene isomers, polyalkylnaphthalenes, and naphthalene, is provided that ... | 08/01/2006 |
| 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 |
| 6732881 | Liquefied gas storage tank A large, box-like polygonal tank for storing liquefied gas on land or on ground based structures (GBS) and a method of constructing the tank. The tank is comprised of an internal, truss-braced, rigid frame, having a cover on the frame for containing the stored liqui... | 05/11/2004 |
| 6713438 | High performance engine oil High performance engine oils and other liquid lubricants comprise a liquid lubricant basestock of low viscosity from 1.5 to 12 cSt (100C) with two dissolved polymer components of differing molecular weights. The basestock is preferably a single PAO or blend of PAOs ... | 03/30/2004 |
| 6709571 | Low pressure naphtha hydrocracking process This invention is directed to an extinction recycle naphtha hydrocracking processes. Large pore zeolite catalysts with Constraint Indices less than 2, such as USY or beta, which are loaded with noble metals such as Pt or Pd or with transition metals such as Ni in co... | 03/23/2004 |
| 6676829 | Process for removing sulfur from a hydrocarbon feed A method is provided for removing sulfur from an effluent produced by hydrotreating a hydrocarbon feed, said effluent having a heavy fraction containing polyaromatic sulfur compounds and a lighter fraction, said method comprising contacting the effluent w... | 01/13/2004 |
| 6635169 | Method for reducing gasoline sulfur in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of a catalytic cracking process is reduced by the use of a catalyst having a product sulfur reduction component containing a metal component in an oxidation state greater tha... | 10/21/2003 |
| 6549879 | Determining optimal well locations from a 3D reservoir model There is disclosed herein a systematic, computationally-efficient, two-stage method for determining well locations in a 3D reservoir model while satisfying various constraints including: minimum interwell spacing, maximum well length, angular limits for d... | 04/15/2003 |
| 6486373 | Shape selective zeolite catalyst and its use in aromatic compound conversion A shape-selective catalyst comprises a synthetic porous crystalline material having the structure of ZSM-5 and a composition involving the molar relationship: X2 O3 :(n)YO2, wherein X is a trivalent element, such as alumin... | 11/26/2002 |
| 6442513 | Component mapper for use in connection with real-time optimization process A component mapper is provided in connection with a process wherein a fluid stream having multiple physical components is modeled as a plurality of pseudo-components. Each physical component has a boiling point, and each pseudo-component has a pre-defined... | 08/27/2002 |
| 6420063 | Mesoporous oxide compositions and solid oxide fuel cells The invention discloses methods of producing thermally stable mesoporous transition metal oxide compositions by aqueous co-assembly of glycometallates and metal complexes with a surfactant template, without the necessity of the use of stabilizers. Mesopor... | 07/16/2002 |
| 6416654 | Method for controlling hydrocracking and isomerization dewaxing operations Nitrogenous compounds especially bases such as ammonia vapor are used to control the operation of a hydrocracker or catalytic dewaxer. Catalyst activity and selectivity may be controlled by addition of the base to the feed, for example, to control the bal... | 07/09/2002 |
| 6403181 | Premium pipe resins The invention relates to the production of high performance conduits. The invention includes the high performance conduits, the polyethylene resin used to make them, and the process for producing the resin which produces a resin with properties which are ... | 06/11/2002 |
| 6378418 | Connecting rod assembly for high pressure injection pumps A connecting rod assembly for connecting high pressure pumps to mechanical or hydraulic pump drives has been developed. This assembly comprises a crosshead incorporating a novel design which slides on two parallel tie-rods in order to ensure precise and s... | 04/30/2002 |
| 6374563 | Anchoring system for ceramic lining tile An anchor rail and anchorage system for attaching ceramic refractory materials to a metallic substrate, or casing. Each anchoring rail (3) includes a web (9) and a retention structure. The retention structure of the rails includes a plurality of tabs (13)... | 04/23/2002 |
| 6372949 | Single stage process for converting oxygenates to gasoline and distillate in the presence of undimensional ten member ring zeolite A process for selectively converting a feed comprising oxygenate to normally liquid boiling range C5 + hydrocarbons in a single step is provided which comprises a) contacting the feed under oxygenate conversion conditions with a catalyst compri... | 04/16/2002 |
| 6362123 | Noble metal containing low acidic hydrocracking catalysts A hydrocracking catalyst is provided that includes a crystalline molecular sieve material component having a faujasite structure and an alpha acidity of less than 1, preferably 0.3 or less, and a dispersed Group VIII noble metal component. The extremely l... | 03/26/2002 |
| 6350372 | Mercury removal in petroleum crude using H2S/C The present invention relates to the removal of mercury and other heavy metals from a hydrocarbon feedstream. The process involves contacting the hydrocarbon feedstream with a feedstream-soluble sulfur compound and then contacting the hydrocarbon feedstre... | 02/26/2002 |
| 6348278 | Method and system for supplying hydrogen for use in fuel cells The present invention provides a method and system for efficiently producing hydrogen that can be supplied to a fuel cell. The method and system of the present invention produces hydrogen in a reforming reactor using a hydrocarbon stream and water vapor s... | 02/19/2002 |
| 6343241 | Robotic vehicle servicing system An automated system is provided for servicing a vehicle and its occupants. A first identification signal is communicated either while the vehicle is approaching the terminal or upon arrival and a second control signal is then generated from within the veh... | 01/29/2002 |
| 6339051 | Diesel engine cylinder oils Diesel engine cylinder oils of improved cleanliness and load carrying ability and reduced port deposit characteristics for use in marine and stationary slow speed diesel engines are based on medium heavy Group I or Group II neutral base oils, typically fr... | 01/15/2002 |
| 6338008 | Robotic vehicle servicing system An automated system is provided for servicing a vehicle and its occupants. An identification signal is communicated either while the vehicle is approaching the terminal or upon arrival and a control signal is then generated beginning and terminating the r... | 01/08/2002 |
| 6329048 | Multi-layer barrier film A product capable of absorbing unwanted odors and unpleasant flavors, is sealed from said odors and flavors by being sealingly overwrapped with a film comprising an oriented film of a blend of polypropylene and a polymerized polyterpene selected from the ... | 12/11/2001 |
| 6324895 | Process for determining the amount of erosive material entering a power recovery turbine A method for continuous monitoring the presence of entrained catalyst in a regenerator flue gas stream of a fluidized catalytic cracking unit is provided. The method has the following steps: (a) passing the regenerator gas stream through a separation syst... | 12/04/2001 |
| 6303233 | Uniaxially shrinkable biaxially oriented polypropylene film A uniaxially heat-shrinkable, biaxially oriented, multilayer film having a polypropylene-containing core layer containing at least 70 wt. % of the multilayer film and at least one polyolefin-containing skin layer adjacent the core layer is prepared by bia... | 10/16/2001 |
| 6299759 | Hydroprocessing reactor and process with gas and liquid quench A method and reactor system for catalytic hydrotreating and hydrocracking liquid hydrocarbon feedstock for producing a cracked liquid feedstock having a reduced contaminant level involves introducing the feedstock into the first reaction zone of a reactor... | 10/09/2001 |
| 6295485 | Control of lubricant production by a method to predict a base stock's ultimate lubricant performance A model to predict the quality of a lubricant base stock for use in a plurality of products having a plurality of viscosities. The compositional model is based on a quantitative analysis of key compositional parameters and performance criteria for the plu... | 09/25/2001 |
| 6294077 | Production of high viscosity lubricating oil stock with improved ZSM-5 catalyst The present invention is a process for producing a high viscosity index and low pour point lubricating oil base stock which comprises catalytically converting a hydrotreated hydrocarbon lube oil feedstock containing waxy paraffins in the presence of hydro... | 09/25/2001 |
| 6291384 | High activity catalyst prepared with alkoxysilanes An ethylene-alpha-olefin copolymerization catalyst is prepared by impregnating a silica calcined at elevated temperature sequentially with an organomagnesium compound such as dialkylmagnesium compound, a silane compound which is free of hydroxyl groups, s... | 09/18/2001 |
| 6287454 | Catalytic dewaxing process for producing lubricating oils Lubricant oils of low pour point and improved oxidation stability are produced by catalytically dewaxing a lube feedstock over a zeolite dewaxing catalyst such as ZSM-5 in the hydrogen or decationized form. The use of these catalysts enables products of e... | 09/11/2001 |
| 6287367 | High-capacity vapor/liquid contacting device This concept concerns a vapor/liquid contacting tray which is useful in distillation and related mass transfer or heat transfer applications where liquid flows down and gas or vapor flows up through a vessel. In this device, the perforated area is relativ... | 09/11/2001 |
| 6270912 | Multi-layer films with core layer of metallocene-catalyzed polypropylene An oriented multi-layer film comprised of a core layer comprising a metallocene-catalyzed substantially isotactic propylene polymer, a first additional layer on a side of the core layer, and a second additional layer on a side of the core layer which side... | 08/07/2001 |
| 6270610 | Method for preparing multilayer film structures for use in the production of banknotes or the like A laminated multilayer film substrate for use in the production of banknotes includes a first layer comprising (a) a first layer having inner and outer sides, comprising at least about 50 weight percent of a high density polyethylene having a density of at ... | 08/07/2001 |
| 6263924 | Vehicle engine system additive dispenser The present disclosure provides a dispensing system for a fuel additive. This dispensing system comprises two subsystems, one being located in a vehicle and the other located in a fuel pump. The dispensing system of the present disclosure dispenses a liqu... | 07/24/2001 |
| 6251307 | Metal passivation for anode grade petroleum coke The present invention relates to the use of petroleum coke for the manufacture of carbonaceous anodes for the aluminum smelting industry. The inclusion of Group 4 and/or Group 13 metal compounds as additives to the petroleum coker feedstock diminish the o... | 06/26/2001 |
| 6248442 | Easy opening hermetically sealed film The present invention relates to multilayer film which is heat sealable over a broad temperature range. It is desirable to have a broad sealing temperature range to increase the production of packaging machines. The present invention also relates to multi... | 06/19/2001 |
| 6248298 | FCC unit catalyst stripper An improved stripper section design is provided for use in fluid catalytic cracking (FCC) units. The stripper section contains means for imparting rotational movement to the FCC cracking catalyst as it traverses the stripping section. In one embodiment th... | 06/19/2001 |
| 6248702 | Dispersant and dispersant viscosity index improvers from selectively hydrogenated aryl-substituted olefin containing diene copolymers The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified, and post treated. The dispersant substances include a copolymer of t... | 06/19/2001 |
