Assignee: BP Amoco Corporation

Location: Chicago, IL
No. of patents: 95

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Number	Title	Issue Date
6454274	Joint assembly for joining a ceramic membrane to a tube sheet A joint assembly for joining a ceramic membrane of tubular form to a tube sheet used in supporting the ceramic membrane within a reactor. The ceramic membrane is received within a fixture connected to the tube sheet and a follower, extending into the fixt...	09/24/2002
6298671	Method for producing, transporting, offloading, storing and distributing natural gas to a marketplace A method for efficiently producing, transporting, offloading, storing and distributing a natural gas to a marketplace. The method comprising producing the natural gas from a first subterranean formation, liquefying the natural gas to produce a liquefied n...	10/09/2001
6262220	Polyester compositions Polyester compositions containing terephthalate, 2,6-naphthalate and/or isophthalate moieties, and showing improved properties are disclosed....	07/17/2001
6256944	Method and system for keeping water from entering dispenser containment sumps A method and system for preventing water entering a dispenser from collecting in the containment pan. This method utilizes a shield or barrier placed inside the dispenser above the containment pan. The material used to form the barrier is insoluble in wat...	07/10/2001
6258987	Preparation of alcohol-containing gasoline A process for controlling the composition of a subgrade gasoline so that the subgrade will yield an alcohol-containing gasoline which precisely meets desired specifications when mixed with the desired amount of alcohol. The process involves blending a plu...	07/10/2001
6255525	Process for preparing purified carboxylic acids A process for preparing an aromatic carboxylic acid having improved purity comprising contacting at an elevated temperature and pressure a mixture comprising an impure aromatic carboxylic acid and a solvent in the presence of hydrogen gas with a carbon ca...	07/03/2001
6248879	Polyanhydride crosslinked fibrous cellulosic products and process for their preparation A process for preparation of crosslinked cellulosic products containing at least 30 wt. % cellulosic fibers and the polyanhydride crosslinked cellulosic products resulting therefrom wherein a cellulosic material is treated with an aqueous solution of a po...	06/19/2001
6239321	Upgrading light oligomers A process for upgrading a feedstock comprising lower oligomers and higher oligomers of isobutylene by oligomerizing the lower oligomer fraction thereof to higher molecular weight components....	05/29/2001
6228970	Poly (biphenyl ether sulfone) A new poly (biphenyl ether sulfone) having improved polydispersity and also having low levels of low molecular weight oligomer....	05/08/2001
6223519	Method of generating power using an advanced thermal recuperation cycle A power generating method that includes the steps of burning a reformed fuel in the presence of air in a combustor of a gas turbine to generate a hot exhaust gas is disclosed. The hot exhaust gas is then passed through a turbine section of the gas turbine...	05/01/2001
6207745	Flame retardant anti-drip polyamide compositions This invention is a flame-retardant, anti-dripping polyamide composition comprising a high temperature polyphthalamide, a halogen-containing organic compound, and an anti-drip effective amount of an anti-drip component comprising a polymer formed from at ...	03/27/2001
6207120	Catalytic vent gas treatment system for abatement of volatile chemical emissions An integrated process for vent gas treatment for the abatement of volatile emissions is disclosed. The vent gas comprises dioxygen, carbon monoxide, hydrocarbons and other organic compounds comprising one or more alkyl halide compound of 1 to 5 carbon ato...	03/27/2001
6201079	Propylene polymer resin made from a high activity catalyst having a broad thermal processing window and articles made therefrom A propylene polymer made using a magnesium halide-supported, titanium-containing solid catalyst component having a broad processing window is produced by incorporating into the polymerization catalyst system a selected alkyl methyldimethoxysilane, prefera...	03/13/2001
6200541	Composite materials for membrane reactors Composite materials of the invention, which include a gas-tight ceramic, a porous metallic support, and an interfacial zone therebetween eliminate the need for mechanical seals between two such dissimilar materials. Oxygen ion-conducting dense ceramic mem...	03/13/2001
6197717	Dehydrogenation catalyst and process A process and catalyst are provided for dehydrogenating a hydrocarbon feedstock and producing an olefinic product. The process comprises contacting the feedstock at dehydrogenation conditions with a dehydrogenation catalyst comprising from about 0.01 weig...	03/06/2001
6194609	Crystallization in a plate heat exchanger Crystallization of a crystallizable material is achieved through heat exchange in a plate heat exchanger is disclosed. A mixture or solution comprising a crystallizable material is passed through a plate heat exchanger at an appropriate temperature and pr...	02/27/2001
6187718	Carbon composite superconductors Superconducting composites comprising a high thermal conductivity carbon substrate and a layer of ceramic-type superconductor. Particularly attractive for use as a superconducting flexible conductor are composites comprising a high thermal conductivity, l...	02/13/2001
6166266	Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by oxidation of methanol A particularly useful process which includes the steps of providing a source of formaldehyde formed by conversion of methanol in the presence of a catalyst comprising oxides of molybdenum as an essential catalyst component; and contacting the source of fo...	12/26/2000
6160174	Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by oxy-dehydrogenation of methanol A particularly useful process which includes the steps of providing a source of formaldehyde formed by conversion of methanol in the presence of a catalyst comprising silver as an essential catalyst component; and contacting the source of formaldehyde and...	12/12/2000
6160186	Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by dehydrogenation of dimethyl ether A particularly useful process which includes the steps of providing a source of formaldehyde formed by conversion of dimethyl ether in the presence of a catalyst comprising copper and zinc; and contacting the source of formaldehyde and a predominately dim...	12/12/2000
6159890	Ruthenium-containing catalyst system for olefin metathesis A ruthenium-containing metathesis catalyst system which contains a ruthenium compound (A), a phosphorus, arsenic, or antimony compound (B), and a compound (C) containing at least one carbon-to-carbon triple bond. The mole ratio of compounds A:B:C is typic...	12/12/2000
6156692	Ruthenium-containing catalyst composition for olefin metathesis A ruthenium-containing metathesis catalyst system which contains a ruthenium compound (A), a phosphorus compound (B), and a compound (C) containing a carbon-to-carbon triple bond. The mole ratio of compounds A:B:C is typically in the range of about 1.0:0....	12/05/2000
6147271	Oligomerization process A process for oligomerizing an acyclic monoolefin monomer in which the oligomerization is controlled to produce predetermined relative amounts of at least two preselected oligomers in a higher boiling fraction of the oligomerization products and the lower...	11/14/2000
6143851	Process for preparation of addition products of difunctional telechelic polyolefins from cyclic olefins by olefin metathesis reaction A process for the preparation of an addition product of a linear telechelic difunctional unsaturated polymer containing terminal functional reactive groups other than vinyl groups, involves simultaneously reacting at least one cyclic olefin of from about ...	11/07/2000
6137001	Process for preparing aromatic carboxylic acids with efficient treatments of gaseous effluent Processes are disclosed for recovery of hydrogen bromide from one or more alkyl bromide compounds by hydrolyzing the alkyl bromide compounds to hydrogen bromide and corresponding alcohols, and simultaneously separating at least the alcoholic products of h...	10/24/2000
6131071	Spectral decomposition for seismic interpretation The present invention is directed generally toward a method of processing seismic data to provide improved quantification and visualization of subtle seismic thin bed tuning effects and other sorts of lateral rock discontinuities. A reflection from a thin...	10/10/2000
6129879	Propylene polymer fibers and yarns Process for treating a textile product comprising propylene polymer fibers comprises heating the textile product with the fibers in a substantially relaxed state at at least one temperature that is below the melting point of the propylene polymer but no m...	10/10/2000
6128580	Converted-wave processing in many-layered anisotropic media The instant invention provides a method for processing converted-wave data into interpretable images using a compact two-parameter model. The method broadly comprises the steps of: collecting both P-wave and converted-wave seismic data; identifying the ar...	10/03/2000
6124517	Olefin purification by adsorption of acetylenics and regeneration of adsorbent Processes using heterogeneous adsorbents are disclosed for purification of relatively impure unsaturated hydrocarbons such as olefins, which are typically produced by thermal cracking of suitable hydrocarbon feedstocks, by passing a feed stream, containin...	09/26/2000
6119778	Method for recovering methane from a solid carbonaceous subterranean formation A method is disclosed for recovering methane from a solid carbonaceous subterranean formation having a production well in fluid communication with the formation and an injection well in fluid communication with the formation. In the method an oxygen-deple...	09/19/2000
6121407	Method of making high density polyester compositions Polyester compositions containing terephthalate, 2,6-naphthalate and/or isophthalate moieties, and showing improved properties are disclosed....	09/19/2000
6114575	Process for preparing 2,6-naphthalenedicarboxylic acid A process for producing 2,6-naphthalenedicarboxylic acid by the liquid phase, exothermic oxidation of 2,6-dimethylnaphthalene comprising adding to a reaction zone oxidation reaction components comprising 2,6-dimethylnaphthalene, a source of molecular oxyg...	09/05/2000
6113820	Method to repair polyethylene containment sumps A method of repairing polyethylene fuel containment sumps used in underground storage systems in gasoline and diesel service stations without "welding" the polyethylene, using suitable surface preparation, priming of the affected area, and sealing with a ...	09/05/2000
6111159	Hydrocarbon conversion process A method is provided for putting a fresh bed of solid phosphoric acid catalyst into service to catalyze a hydrocarbon conversion process. The method involves establishing hydrocarbon conversion conditions of temperature and pressure in the catalyst bed wh...	08/29/2000
6107445	Method of making high density polyester compositions Polyester compositions containing terephthalate, 2,6-naphthalate and/or isophthalate moieties, and showing improved properties are disclosed....	08/22/2000
6103935	Process for production of fumaric acid by isomerization of maleic acid The present invention relates to a process for the production of fumaric acid by the isomerization of maleic acid at high conversions which comprises heating maleic acid in the presence of phosphoric acid at a temperature sufficient to isomerize the malei...	08/15/2000
6103103	Dehydrogenation catalyst and process A process and catalyst are provided for dehydrogenating a hydrocarbon feedstock and producing an olefinic product. The process comprises contacting the feedstock at dehydrogenation conditions with a dehydrogenation catalyst comprising from about 0.01 weig...	08/15/2000
6096116	Reducing ignition risk for activated carbon A sorbent material, an activated carbon canister and a method are described which can be utilized to remove organic compounds from a vaporous stream with a relatively greater degree of safety, as compared to previously known methods. In the invention, ess...	08/01/2000
6092559	Device for controlling warp threads for the production of leno fabrics on a textile machine A device for controlling warp threads in weaving of leno fabrics on a weaving device, such as a loom, has a guide mechanism for stationary warp threads and rotating warp threads. The guide mechanism includes a system of reversibly movable needles with eye...	07/25/2000
6092026	Seismic signal processing and exploration An apparatus and method for the exploration of hydrocarbons by obtaining a set of seismic signal traces distributed over a pre-determined three-dimensional volume of the earth and using a computer to: divide the three-dimensional volume into a plurality o...	07/18/2000

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Assignee: BP Amoco Corporation