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| Number | Title | Issue Date |
| 6296757 | Synthetic diesel fuel and process for its production Diesel fuels or blending stocks having excellent lubricity, oxidative stability and high cetane number are produced from non-shifting Fischer-Tropsch processes by separating the Fischer-Tropsch product into a lighter and heavier fractions, e.g., at about ... | 10/02/2001 |
| 6210559 | Use of 13C NMR spectroscopy to produce optimum fischer-tropsch diesel fuels and blend stocks The present invention is a process for producing a distillate fuel heavier than gasoline. The process is a Fischer-Tropsch (hydrocarbon synthesis) process that includes using 13 C NMR to measure cetane number and a cold flow property in order t... | 04/03/2001 |
| 6206940 | Fuel formulations to extend the lean limit (law770) The invention is related to fuels having a high laminar flame speed and particular distillation characteristics. More particularly, the invention is directed towards fuels containing at least one species having a laminar flame speed greater than isooctane... | 03/27/2001 |
| 6199768 | Process and apparatus for atomizing FCC feed oil A liquid atomization process comprises forming a two-phase fluid mixture of a liquid and a gas, under pressure, dividing the fluid into two separate streams which are passed into and through an impingement mixing zone in which they are impingement mixed t... | 03/13/2001 |
| 6191218 | Method for improving hot tack in blown polyethylene films The invention is directed towards a method for improving hot tack in blown polyethylene films. Accordingly, a nucleating agent and polyethylene are combined to form a melt from which the film is blown. The method comprises forming a melt of polyethylene a... | 02/20/2001 |
| 6187176 | Process for the production of medicinal white oil A three stage process for producing high quality white oils, particularly food grade mineral oils from mineral oil distillates. The first reaction stage preferably employs a sulfur resistant hydrotreating catalyst and produces a product suitable for use a... | 02/13/2001 |
| 6187723 | Lubricant composition containing antiwear additive combination A lubricant composition is described, particularly for engine oils, comprising a base oil of viscosity from 3 to 26 cSt (mm2 /s) at 100° C. and an antiwear additive combination comprising (a) an oil soluble or oil dispersible phosphorus-free o... | 02/13/2001 |
| 6183849 | Method for manufacturing composite board using high oil content wax and the composite board made using high oil content wax A quality composite board can be manufactured by combining natural fibrous material, resin and a waxy hydrocarbonaceous material wherein the waxy hydrocarbonaceous material is a natural, synthetic or petroleum wax containing from greater than 30 wt % to u... | 02/06/2001 |
| 6180842 | Stability fischer-tropsch diesel fuel and a process for its production A Fischer-Tropsch derived distillate fraction is blended with either a raw virgin condensate fraction or a mildly hydrotreated virgin condensate to obtain a stable inhibited distillate fuel.... | 01/30/2001 |
| 6179994 | Isoparaffinic base stocks by dewaxing fischer-tropsch wax hydroisomerate over Pt/H-mordenite A high VI and low pour point lubricant base stock is made by hydroisomerizing a high purity, waxy, paraffinic Fischer-Tropsch synthesized hydrocarbon fraction having an initial boiling point in the range of 650-750° F., followed by catalytically dewaxing... | 01/30/2001 |
| 6180788 | Catalyst compositions The invention is directed towards a metal complex having the formula LMX1 X2. L is a bidentate nitrogen-containing ligand with more than 2 nitrogens. M is copper, silver, or gold. X1 and X2 are independently sel... | 01/30/2001 |
| 6171471 | Heavy oil upgrading process (LAW813) The present invention is a slurry-type process for upgrading heavy oils to FCC and S/C feeds under temperature and pressure conditions similar to MSHP, but employing catalysts in concentrations small enough (e.g., | 01/09/2001 |
| 6171476 | 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 poin... | 01/09/2001 |
| 6168702 | Chemical demulsifier for desalting heavy crude The chemical demulsifier formulation has the formula: ##STR1## wherein R1 is H or an alkoxide of from 5 to about 20 carbon atoms; x is an integer of from about 8 to about 22 when R1 is hydrogen and from about 2 to about 5 when R... | 01/02/2001 |
| 6168768 | Production of low sulfer syngas from natural gas with C4+/C5+ hydrocarbon recovery Sour natural gas is processed to remove the sulfur compounds and recover C4+ /C5+ hydrocarbons by scrubbing the gas with an amine solution to remove most of the sulfur, followed cooling the gas to remove C4+ /C5+ | 01/02/2001 |
| 6165949 | Premium wear resistant lubricant A premium synthetic lubricant having antiwear properties comprises a synthetic isoparaffinic hydrocarbon base stock and an effective amount of at least one antiwear additive. The antiwear additive is preferably at least one of a metal phosphate, a metal d... | 12/26/2000 |
| 6162373 | Removal of hydrogen cyanide from synthesis gas (Law322) HCN can be removed from HCN containing synthesis gas streams useful as Fischer-Tropsch feed by contacting the feed with a cobalt containing catalyst at conditions that do not promote or catalyze the Fischer-Tropsch process.... | 12/19/2000 |
| 6162350 | Hydroprocessing using bulk Group VIII/Group VIB catalysts (HEN-9901) Hydroprocessing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni--Mo--W.... | 12/19/2000 |
| 6162956 | Stability Fischer-Tropsch diesel fuel and a process for its production A Fischer-Tropsch derived distillate fraction is blended with either a raw gas field condensate distillate fraction or a mildly hydrotreated condensate fraction to obtain a stable, inhibited distillate fuel.... | 12/19/2000 |
| 6156946 | Biological activation of aromatics for chemical processing and/or upgrading of aromatic compounds, petroleum, coal, resid, bitumen and other petrochemical streams The present invention is a process for transforming aromatic organic compounds and resource materials. The process includes the steps of contacting an organic material selected from the group consisting of single and/or multi-ring aromatic compounds and a... | 12/05/2000 |
| 6156695 | Nickel molybdotungstate hydrotreating catalysts A hydrodenitrogenation catalyst is prepared by decomposing a nickel (ammonium) molybdotungstate precursor and sulfiding, either pre-use or in situ, the decomposition product.... | 12/05/2000 |
| 6156189 | Operating method for fluid catalytic cracking involving alternating feed injection The present invention is directed to a Fluid Catalytic Cracking process conducted under fluid catalytic cracking conditions by injecting into at least one reaction zone of a fluid catalytic cracking unit (FCCU) having one or more risers, a plurality of fe... | 12/05/2000 |
| 6153086 | Combination cocurrent and countercurrent staged hydroprocessing with a vapor stage A hydroprocessing process includes a cocurrent flow liquid reaction stage, a countercurrent flow liquid reaction stage and a vapor reaction stage in which feed components are catalytically hydroprocessed by reacting with hydrogen. Both liquid stages both ... | 11/28/2000 |
| 6153703 | Semicrystalline polymer blend compositions with enhanced interspherulitic and interlamellar strength This invention relates to a semicrystalline polymer composition with reinforced spherulite boundaries and interlamellar strength, comprising a major amount of a first semicrystalline polymer and a minor amount of a second semicrystalline homopolymer or a ... | 11/28/2000 |
| 6153155 | Recovery of the transition metal component of catalyst used in heavy feed hydroconversion The invention relates to a process for recovering the transition metal component of catalysts used in the hydroconversion of heavy hydrocarbonaceous materials. In accordance with the invention, a slurry of a transition metal catalyst and hydrocarbon is ca... | 11/28/2000 |
| 6147126 | Gas conversion using hydrogen from syngas gas and hydroconversion tail gas A gas conversion process including catalytic hydrocarbon synthesis from a synthesis gas comprising a mixture of H2 and CO, produces hydrogen from the synthesis gas and upgrades synthesized hydrocarbons by one or more hydroconversion operations ... | 11/14/2000 |
| 6143261 | Catalytic reduction of nitrogen oxide emissions with MCM-49 and MCM-56 MCM-56 and MCM-49 have been demonstrated to be effective catalysts for the reduction of nitrogen oxide (NOx) emissions in a net oxidizing environment such as Selective Catalytic Reduction or lean burn engine exhaust applications. MCM-56 and MCM... | 11/07/2000 |
| 6143702 | Lubricating oils of enhanced oxidation stability containing n-phenyl-naphthyl amines, or substituted derivatives of n-phenyl naphthyl amine and carbodiimide acid scavengers Lubricating oils of enhanced oxidation stability are obtained by adding to the lubricating oil a mixture comprising n-phenyl-1-naphthyl amine and an acid scavenger such as carbodiimide.... | 11/07/2000 |
| 6136868 | Preparation of high activity catalysts; the catalysts and their use A process for the preparation of a catalyst useful for conducting carbon monoxide conversion reactions, especially a Fischer-Tropsch catalyst, use of the catalyst for conducting such reactions, especially Fischer-Tropsch reactions, and the composition pro... | 10/24/2000 |
| 6136760 | Reducing low temperature scanning brookfield gel index value in engine oils (LAW798) A lubricant composition containing both a dialkyl fumarate-vinyl acetate low temperature flow improver and sorbitan fatty acid ester or a polyoxyalkylene sorbitan fatty acid ester has reduced Gel Index.... | 10/24/2000 |
| 6126814 | Selective hydrodesulfurization process (HEN-9601) A process for hydrodesulfurizing naphtha feedstream wherein the reactor inlet temperature is below the dew point of the feedstock at the reactor inlet so that the naphtha will completely vaporize within the catalyst bed. It is preferred to use a catalyst ... | 10/03/2000 |
| 6124367 | Titania catalysts, their preparation and use in fischer-tropsch synthesis Supports for Fischer-Tropsch catalysts with increased strength and attrition resistance are formed by incorporating both silica and alumina into a support comprised primarily of titania; whereupon Fischer-Tropsch active metals can be composited with the s... | 09/26/2000 |
| 6123914 | Enhanced boro-aluminosilicate EU-1 (LAW778) The instant invention is directed to a process for selectively removing detrital material from boro-aluminosilicate selected from EUO, NES and intergrown mixtures of EUO and NES boro-aluminosilicate topology zeolites having a Si/M ratio of greater than ab... | 09/26/2000 |
| 6121411 | Process for decreased the acidity of crudes using crosslinked polymeric amines (LAW871) The invention relates to processes for treating acidic crudes or fractions thereof to reduce or eliminate their acidity by addition of effective amounts of crosslinked polymeric amines. The process has utility for crude processing.... | 09/19/2000 |
| 6120692 | Use of metal dithiolene complexes in selective olefin recovery (law760) Enhanced synthesis of transition metal dithiolene complexes is described. [1,2-bis(Trifluoromethyl)ethylene-1,2-dithiolato]nickel selectively and reversibly binds olefins (C2 to C6). Under the same conditions, the complex does not re... | 09/19/2000 |
| 6121356 | Plasticized sulfonated ionomers In its broadest sense of the present invention comprises an aqueous emulsion containing water, a normally thermoplastic sulfonated polymer and a plasticizer that is substantially miscible in the polymer is, non-volatile and substantially insoluble in the ... | 09/19/2000 |
| 6118035 | Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed A process for selectively producing C2 -C4 olefins from a catalytically cracked or thermally cracked naphtha stream is disclosed. A mixture of the naphtha stream and a stream of steam is feed into a reaction zone where it is contacte... | 09/12/2000 |
| 6114265 | Combustion control in a fluid catalytic cracking regenerator Disclosed is a process for controlling combustion in a fluid catalytic cracking regenerator. More specifically, afterburning which occurs during the combustion process is controlled by adjusting oxygen concentration in at least one of two combustion strea... | 09/05/2000 |
| 6110358 | Process for manufacturing improved process oils using extraction of hydrotreated distillates A method for producing a process oil in which a naphthenic rich distillate is processed through a single hydrotreating stage, the hydrotreated distillate is then solvent extracted to yield a process oil which passes IP-346 and AMES screening test.... | 08/29/2000 |
| 6110857 | Method of minimizing iron contamination during catalyst regeneration processes The present invention is directed toward improved processes for the regeneration of noble metal-containing catalysts wherein iron contamination of the catalyst during regeneration is significantly diminished. It has been found that maintenance of any iron... | 08/29/2000 |
