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Exxon Research and Engineering Co. Patents
Assignee:
Exxon Research and Engineering Co.
Address:
Florham Park, NJ
No. of patents:
845
Patents:


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Patent Number Title Of Patent Date Issued
RE37406 Surface supported cobalt catalysts, process utilizing these catalysts for the preparation of hyd October 9, 2001
A supported particulate cobalt catalyst is formed by dispersing cobalt, alone or with a metal promoter, particularly rhenium, as a thin catalytically active film upon a particulate support, especially a silica or titania support. This catalyst can be used to convert an admixture of c
RE32009 Degassing molten sulfur October 22, 1985
A method for reducing the hydrogen sulfide, hydrogen polysulfides and/or ash content of molten sulfur is disclosed. The subject invention is directed at the addition of an effective amount of a degassing agent selected from the class consisting of inorganic phosphorous compounds, ure
RE31871 Metal halogen batteries and method of operating same April 23, 1985
A metal halogen cell, especially a zinc-bromine cell, employs a circulating electrolyte system containing a complexing agent to effectively remove cathodic halogen from the electrolyte during charging of the cell. The complexing agent is one which in the presence of halogen forms a water
RE31439 Process for operating a magnetically stabilized fluidized bed November 15, 1983
A fluidized bed process is disclosed which comprises subjecting a bed comprised of solid particulate magnetizable, fluidizable material within an external force field wherein at least a portion of the bed containing said solid particulate magnetizable and fluidizable material and flu
RE31186 Hydrocarbon conversion process utilizing a magnetic field in a fluidized bed of catalytic partic March 22, 1983
A hydrocarbon conversion process, such as catalytic desulfurization of a vaporized petroleum feedstock with hydrogen or catalytic reforming of a vaporized hydrocarbon feedstock, is carried out by passing the gaseous medium upwardly through a fluidized bed of magnetizable composite pa
H316 Hydrocarbon drag reduction with interpolymer complexes containing novel sulfo-octene August 4, 1987
A method for reducing the frictional drag of an organic liquid in flow through pipes or conduits having a continuous bore therethrough which comprises adding about 0.001 to about 0.5 grams of a polymeric complex to 100 ml of said organic liquid, wherein the polymeric complex is the r
D392892 Combined container and cap March 31, 1998
D282751 Font of type February 25, 1986
D280109 Cleaning card for ink jet print head or similar article August 13, 1985
D278713 Printer May 7, 1985
D277411 Shingle January 29, 1985
6332974 Wide-cut synthetic isoparaffinic lubricating oils December 25, 2001
A wide-cut lubricant base stock is made by hydroisomerizing and then catalytically dewaxing a waxy Fischer-Tropsch synthesized hydrocarbon fraction feed and comprises the entire dewaxate having an initial boiling point in the 650-75O.degree. F.+ range. Formulated lubricating oils made
6296755 Electrochemical process for olefin recovery using transition metal dithiolene complexes October 2, 2001
A novel scheme for olefin recovery/separation based on the redox properties of metal dithiolene complexes is described. The complex, [1,2-bis(cyano)ethylene-1,2-dithiolato]nickel, [Ni(S.sub.2 C.sub.2 (CN).sub.2).sub.2 ], when generated electrochemically, binds olefin to form an adduc
6284372 Composites with interphases and methods of making the same September 4, 2001
A composite having fibers of relatively high elastic modulus embedded in a matrix of relatively low elastic modulus is provided with an interphase of elastic modulus less than the matrix modulus and cohesive energy higher than the matrix cohesive energy. The resulting composite has enhan
6267912 Distributed injection catalytic partial oxidation process and apparatus for producing synthesis July 31, 2001
A novel injector/reactor apparatus and an efficient process for the partial oxidation of light hydrocarbon gases, such as methane, to convert such gases to useful synthesis gas for recovery and/or subsequent hydrocarbon synthesis. Sources of a light hydrocarbon gas, such as methane, and
6162956 Stability Fischer-Tropsch diesel fuel and a process for its production December 19, 2000
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.
6156872 Paraffin-soluble polymers and copolymers December 5, 2000
The invention is related to non-linear, paraffin-soluble olefin/carbon monoxide and olefin/acetylene/carbon monoxide copolymers. The invention is also related to a method for preparing olefin/carbon monoxide copolymers by heating a feed of at least one olefin, carbon monoxide, carbon dio
6150309 Lubricant formulations with dispersancy retention capability (law684) November 21, 2000
The use of oil soluble organo molybdenum compounds in combination with phenolic or amenic antioxidants has been found to improve the dispersancy retention capability of crankcase lubricants. Thus in one embodiment the present invention comprises improving dispersancy retention of a crank
6126814 Selective hydrodesulfurization process (HEN-9601) October 3, 2000
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 comprised of about 1 to about 10
6123832 Fluid catalytic cracking process for converting hydrocarbon mixtures September 26, 2000
The invention relates to Fluid Catalytic Cracking (FCC) for producing liquid fuels and light olefins from liquid hydrocarbon mixtures such as petroleum fractions.
6123830 Integrated staged catalytic cracking and staged hydroprocessing process September 26, 2000
Disclosed is a catalytic cracking process that includes more than one catalytic cracking reaction step. The process integrates catalytic cracking steps with hydroprocessing in order to maximize olefins production, distillate quality and octane level of the overall cracked product. Pr
6118035 Process for selectively producing light olefins in a fluid catalytic cracking process from a nap September 12, 2000
A process for selectively producing C.sub.2 -C.sub.4 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 contacted with a catalyst containing from about 1
6117814 Titania catalysts their preparation and use in fischer-tropsch synthesis September 12, 2000
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 support; the catalysts being p
6114443 Polyolefin blends compatibilized with a diblock copolymer September 5, 2000
The present invention is based on the discovery that diblock copolymers of ethylene and an atactic alpha-olefin that are prepared in the presence of a catalyst system comprising at least one metallocene compound and a non-coordinating anion are especially useful as compatibilizers with
6106653 Water vapor plasma treatment of glass surfaces August 22, 2000
The density of hydroxyl groups present on the surface of glass, such as E-glass fibers, is increased by subjecting the surface to a radio frequency induced gas plasma containing water vapor. Surfaces so treated exhibit enhanced adsorption of hydrolyzed organo silane coupling agents a
6103832 Functionalized styrene polymers and copolymers August 15, 2000
The present invention provides a functionalized styrenic polymer or copolymer which contains functionalized stryene moiety having the formula: ##STR1## wherein R.sub.1 is hydrogen, alkyl, primary and secondary halo alkyl groups, and R.sub.2 is: ##STR2## where n is an integer
6103773 Gas conversion using hydrogen produced from syngas for removing sulfur from gas well hydrocarbon August 15, 2000
A gas conversion process comprising synthesis gas production, hydrocarbon synthesis and hydrogen production from the synthesis gas, also includes hydrodesulfurizing sulfur-containing hydrocarbon liquids separated from a mixture of natural gas and the liquids produced from a gas well. Hyd
6103206 Very low sulfur gas feeds for sulfur sensitive syngas and hydrocarbon synthesis processes August 15, 2000
Very low sulfur content hydrocarbon gas is achieved by sequentially contacting the gas first with zinc oxide and then with nickel metal. This has reduced the total sulfur content of natural gas feed for a fluid bed syngas generator to less than 0.1 ppm and has resulted in greater syngas
6096690 High performance environmentally friendly drilling fluids August 1, 2000
Discloses environmentally friendly, low temperature base oils and drilling fluids, or drilling mud compositions useful in the production of oil and gas. The drilling fluid is constituted of one or more of weighting agents, emulsifiers, wetting agents, viscosifiers, fluid loss control age
6096196 Removal of naphthenic acids in crude oils and distillates August 1, 2000
The instant invention is directed a process for extracting organic acids from a starting crude oil comprising the steps of: (a) treating the starting crude oil containing naphthenic acids with an amount of an alkoxylated amine and water under conditions and for a time and at a temper
6096192 Producing pipelinable bitumen August 1, 2000
A bitumen is rendered pipelineable by partially hydroconverting the bitumen and then adding sufficient diluent to the partially hydroconverted bitumen to provide a mixture having an API gravity at 15.degree. C. of at least 19.degree. and a viscosity at 40.degree. C. in the range of about
6096189 Hydroconversion process for making lubricating oil basestocks August 1, 2000
A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hydrofinishing zone.
6093311 CO.sub.2 treatment to remove +2 ionic metal from crude July 25, 2000
The present invention is a process to remove a +2 ionic charged metal from a petroleum feed. The process includes contacting feed with carbon dioxide at a temperature between 40.degree. C. and 200.degree. C. and autogenous pressure. In a preferred embodiment the metal is a Group II metal
6093310 FCC feed injection using subcooled water sparging for enhanced feed atomization July 25, 2000
Atomization of a high boiling point, hot liquid, such as a hydrocarbon feed oil for a fluid cat cracker, is enhanced by injecting subcooled water into the hot liquid, to form a two-phase fluid of the liquid and steam, upstream of the atomization. The hot liquid is at conditions of te
6090859 Small catalyst particle addition to slurry reactor (Law749) July 18, 2000
Small particle size catalysts having an average particle size of less than 20 or 10 microns, which agglomerate when contacted with a hydrocarbon liquid, are easily dispersed in the hydrocarbon liquid by first forming a mixture comprising the catalyst particles and one or more non-acidic,
6090758 Method for reducing foaming of lubricating oils July 18, 2000
Foaming of a lube oil comprising a base stock derived from wax isomeration and an additive package is effectively reduced to within specification limits of 50 ml/ml over a temperature range of from at least 24.degree. C. to 93.5.degree. C. by adding to the oil an effective amount of an a
6087544 Process for the production of high lubricity low sulfur distillate fuels July 11, 2000
A process for producing distillate fuels, such as diesel fuels and jet fuels having both high lubricity and low sulfur levels. Such fuels are produced by fractionating a distillate feedstream into a light fraction which is relatively low in lubricity and which contains from about 50 to
6086751 Thermal process for reducing total acid number of crude oil July 11, 2000
TAN containing oils, e.g., crudes, are treated by flashing to remove substantially all of the water therefrom, thermally treating the recovered liquid to reduce the naphthenic acid content thereof, and re-combining light gases recovered from the flashing step with the treated liquid.
6080302 Method for making a process oil by using aromatic enrichment with extraction followed by single June 27, 2000
A method for producing a process oil is provided in which an aromatic extract oil is added to a paraffinic rich feed to provide a blended feed. The blended feed is then extracted with an aromatic extraction solvent to yield a raffinate which subsequently is hydrotreated to provide a proc
6076810 Throat and cone gas injector and gas distribution grid for slurry reactor June 20, 2000
A gas distribution grid for a slurry reactor includes a plurality of gas injectors horizontally arrayed across, and extending through, an otherwise gas and liquid impervious plate. The injectors have a throat open at both ends, with a gas pressure reducing bore at one end which is the en
6070753 Liquid container June 6, 2000
A container holds fluids, such as motor oil, and is sized to hold about one quart or one liter. The container has a rectangular base portion, and a top portion is formed integral with the base portion, the top portion being shaped like an offset, inverted funnel. The top portion has an
6069287 Process for selectively producing light olefins in a fluid catalytic cracking process May 30, 2000
A process for selectively producing C.sub.2 -C.sub.4 olefins from a catalytically cracked or thermally cracked naphtha stream. The naphtha stream is contacted with a catalyst containing from about 10 to 50 wt. % of a crystalline zeolite having an average pore diameter less than about
6060563 Graft copolymers containing ionomer units May 9, 2000
Graft copolymers having cationic units pendant to the backbone chain are disclosed. These polymers are prepared by reacting a polymer containing halogenated paramethylstyrene units in the chain, e.g., a brominated copolymer of isobutylene and para-methylstyrene, with an anionically p
6059955 Low viscosity lube basestock May 9, 2000
The present invention is directed to an easily biodegradable low viscosity, low Noack volatility lube oil material having a viscosity index (VI) in the range of about 110-145, >98% saturates useful as lube oil basestock, automatic transmission fluid (ATF) basestock or blending stock.
6054113 Method for preparing high silica faujacitic zeolites April 25, 2000
A method for preparing novel zeolitic catalyst compositions having a high Si/Al ratio and a crystallinity of at least about 70%. The method involves cation exchanging an as synthesized faujasite material having an Si/Al greater than about 4 with a component selected from the group consis
6054042 Process for neutralization of petroleum acids using overbased detergents April 25, 2000
The invention relates to a process for treating naphthenic acid containing whole crudes or fraction thereof to reduce or eliminate their acidity by contacting the acidic whole crude or fractions thereof at a suitable temperature typically of less than 200.degree. C. with a neutralizing
6054041 Three stage cocurrent liquid and vapor hydroprocessing April 25, 2000
A hydroprocessing process includes two cocurrent flow liquid reaction stages and one vapor stage, in which feed components are catalytically hydroprocessed by reacting with hydrogen. The liquid stages both produce a liquid and a hydrogen-rich vapor effluent, with most of the hydropro
6048904 Branched alkyl-aromatic sulfonic acid dispersants for solublizing asphaltenes in petroleum oils April 11, 2000
The present invention is an asphaltene dispersant containing an aromatic, a sulfonic acid head, and an alkyl tail containing 16 carbons or more and at least one branch of a methyl or longer alkyl. Preferably, the aromatic is a fused two ring aromatic and the tail is a two, branched alkyl
6043288 Gas conversion using synthesis gas produced hydrogen for catalyst rejuvenation and hydrocarbon c March 28, 2000
A gas conversion process in which both hydrocarbons and hydrogen are produced from a synthesis gas feed which comprises a mixture of H.sub.2 and CO, uses hydrogen from a portion of the feed for one or more of (i) hydrocarbon synthesis catalyst rejuvenation and (ii) hydroconversion up
6043199 Corrosion inhibiting additive combination for turbine oils March 28, 2000
Turbine oils of improved corrosion resistance comprise a synthetic ester base stock and additives comprising a combination of a dibasic carboxylic acid and a second component selected from alkyl or alkenyl succinic acid/anhydride ester or hemi-linear or branched ester and hydroxylated
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