Assignee: Petroleum Energy Center

Location: Tokyo, JP
No. of patents: 56

Number	Title	Issue Date
8148285	Method for manufacturing zeolite Y with aluminum and titanium inserted therein A catalytic composition for hydrotreating of hydrocarbons is made in which a metallic component for hydrogenation is carried on a carrier formed of zeolite Y with aluminum and titanium inserted therein and a porous inorganic oxide. The zeolite Y has: unit cell dimen...	04/03/2012
8105990	Lube base oil, lubricating oil composition for internal combustion engine, and lubricating oil composition for drive transmission device The lubricating base oil of the invention satisfies at least one of conditions (a) or (b) below. The lubricating oil composition for an internal combustion engine according to the invention comprises the lubricating base oil of the invention, an ashless antioxidant ...	01/31/2012
7926288	Reformed-fuel-burning gas turbine system and method of operating the same The present invention provides a reformed-fuel-burning gas turbine system that constantly generates good-quality reformed fuel even when heavy fuel has a different composition. The reformed-fuel-burning gas turbine system according to the present invention co...	04/19/2011
7838709	Lubricating base oil and lubricating oil composition The invention provides a lubricating base oil with a saturated component content of 90% by mass or greater, a proportion of cyclic saturated components of no greater than 40% by mass of the saturated components, a viscosity index of 110 or greater, an aniline point ...	11/23/2010
7776784	Hydrodesulfurization catalyst and hydrodesulfurization process for gasoline fractions A hydrodesulfurization catalyst used for hydrodesulfurization of catalytically cracked gasoline comprises a support composed mainly of alumina modified with an oxide of at least one metal selected from the group consisting of iron, chromium, cobalt, nickel, copper, ...	08/17/2010
7707816	Gas turbine system burning heavy-oil modified fuel and method of operating same A gas turbine system burning heavy-oil modified fuel and a method of operating the gas turbine system, which covers from a stage of modifying heavy oil and producing gas turbine fuel to a stage of operating a gas turbine, including startup, ordinary shutdown and eme...	05/04/2010
7691774	Hydrogenation desulfurization isomerization catalyst, process for producing the same and method of desulfurization isomerization for sulfurous hydrocarbon oil A process for producing a catalyst for hydrodesulfurization and isomerization of a sulfur-containing hydrocarbon oil, which comprises supporting palladium on a composition comprising a platinum-supported sulfated zirconia and alumina. ...	04/06/2010
7658078	System for reforming heavy oil, method therefor, and combined cycle power system A heavy oil reforming system includes a reforming preheater raising the temperature of a mixed fluid comprising a high pressure heavy oil and high pressure steam up to a temperature for reforming reaction. The mixed fluid having been heated up to the temperature for...	02/09/2010
7611676	Method for producing gas turbine fuel, and method and system for generating electric power by gas turbine In a method for producing gas turbine fuel through the step of modifying heavy fuel oil with the use of an asphaltene-insoluble solvent, the utilization factor of the heavy fuel oil usable as gas turbine fuel is increased by making asphaltene selectively removable. ...	11/03/2009
7594387	Modified fuel burning gas turbine A gas turbine which can be easily employed in an area where it is hard to obtain a sufficient amount of water, such as an isolated island. Heated and pressurized heavy oil and water in a supercritical state are mixed with each other in a modifying unit to produce fu...	09/29/2009
7591983	Heavy oil treating method and heavy oil treating system The invention is intended to produce high-pressure light fuel gas with good combustibility by contacting and reacting high-temperature, high-pressure water and heavy oil with each other in a contact-reaction unit to extract light oil components from the heavy oil an...	09/22/2009
7585677	Method of evaluating corrosion resistance of material under ammonium bisulfide environment It is an object to establish a test method that enables a high-concentration ammonium bisulfide environment to be reproduced at a laboratory level, and enables the corrosivity of a material to be evaluated easily and highly accurately. According to the test method, ...	09/08/2009
7026439	Process for continuous production of polyarylene sulfide There is disclosed a process for continuously producing a polyarylene sulfide which comprises reacting a sulfur source with a dihalogenated aromatic compound in an aprotic organic solvent, characterized by maintaining the content of the dihalogenated aromatic compou...	04/11/2006
6916762	Catalyst for fluidized catalytic cracking of heavy hydrocarbon oil and method of fluidized catalytic cracking An FCC catalyst which not only deactivates catalyst poison metals, such as nickel, vanadium and the like, in feedstock oils, inhibits the generation of hydrogen or coke, has excellent cracking activity and bottom oil-treating ability, and can yield a gasoline and LC...	07/12/2005
6797153	Catalyst for hydrocracking of heavy oils and method of hydrocracking heavy oils A catalyst for the hydrocracking of heavy oils contains iron and active carbon having an MCH conversion rate of 40-80%, a specific surface area of 600-1000 m2/g of, a pore volume of 0.5 to 1.4 cm3/g, 2-50 nanometers' mesopore volume of not less...	09/28/2004
6743890	Process for the purification of polyarylene sulfide Provided is a method of purifying a polyarylene sulfide by washing it with a mixture of an aprotic organic solvent and an alkyl halide, or with a mixture prepared by adding a halogenoaromatic compound having an electron-withdrawing group to an aprotic organic solven...	06/01/2004
6737380	Solid acid catalyst, production method thereof, and method for hydrodesulfurizing and isomerizing light hydrocarbon oil using the same A process for producing a solid acid catalyst, which comprises: adding a pseudoboehmite as a binder to a sulfated zirconium hydroxide, followed by kneading with an aqueous solution containing at least one metal of the Group VIII, or loading at least one metal of the...	05/18/2004
6733659	Reactor for hydrotreating and process for producing ultralow sulfur heavy oils by the use of the reactor An object is to provide a reactor for hydrotreating which exhibits a total desulfurizing activity higher than that of the reactor according to the prior art, and which is reduced in the rate of lowering of the desulfurizing activity and therefore can keep the high d...	05/11/2004
6646105	Process for treating by-product of polyarylene sulfide There is disclosed a process for treating a by-product salt from a polyarylene sulfide which comprises treating a solid mixture containing an aprotic organic solvent and the by-product salt that is formed in the case of producing the polyarylene sulfide b...	11/11/2003
6607903	Genes encoding desulfurization enzymes This invention provides novel genes encoding enzymes which decompose difficult-to-decompose thiophene compounds. By using these genes, sulfur atoms can be released from the thiophene compounds in fossil fuel such as petroleum, and the diffusion of sulfur ...	08/19/2003
6562900	Production process for polyarylene sulfide Provided is a production process for polyarylene sulfide having a high molecular weight and an excellent heat stability. It is a production process for polyarylene sulfide by reacting a dihalogenoaromatic compound with metal sulfide in a polar solvent, wh...	05/13/2003
6479271	Genes encoding desulfurization enzymes This invention provides novel genes encoding enzymes which decompose difficult-to-decompose thiophene compounds. By using these genes, sulfur atoms can be released from the thiophene compounds in fossil fuel such as petroleum, and the diffusion of sulfur ...	11/12/2002
6420158	Gene encoding desulfurases This invention provides novel genes encoding enzymes which decompose difficult-to-decompose thiophene compounds. By using these genes, sulfur atoms can be released from the thiophene compounds in fossil fuel such as petroleum, and the diffusion of sulfur ...	07/16/2002
6252038	Method for selectively separating hydrocarbons A method for separating specific hydrocarbons from a hydrocarbon mixture of hydrocarbons using a membrane made of a fluorine-containing polyimide resin having high separation ability with regard to certain hydrocarbons, and a high resistance to hydrocarbo...	06/26/2001
6216650	Stratified scavenging two-cycle engine The present invention relates to a stratified scavenging two-cycle engine, in which control of an air flow rate provides favorable acceleration performance and can prevent deterioration of exhaust gas. The stratified scavenging two-cycle engine includes a...	04/17/2001
6186658	Apparatus for mixing a fluid feedstock with particles An apparatus for mixing a fluid feed stock, such as a heavy oil, and particles of a catalyst for gasifying the heavy oil in a reactor, comprises the reactor having in the upper portion a circular port through which the particles are fed, a moving bed-form...	02/13/2001
6159254	Wax composition for forming candles An object is to provide a wax composition for candles which is excellent in moldability in the production of the candles, enables the candles produced therefrom to be reduced in the bending and blocking, and which can be improved in releasability. A wax c...	12/12/2000
6146597	Separation device A device is disclosed for the quick separation between solid materials and reaction gaseous materials which comprises a vertically oriented inner cylindrical body with a closed end, which cylindrical body forms at the other end an inlet through which a mi...	11/14/2000
6130081	High-temperature desulfurization by microorganisms The present invention relates to a method of degrading organic sulfur compounds, in which organic sulfur compounds are decomposed by a microorganism belonging to the genus Paenibacillus and having the ability to decompose organic sulfur compounds. Heteroc...	10/10/2000
6085703	Stratified scavenging two-cycle engine The present invention is a stratified scavenging two-cycle engine which has a more compact structure. The stratified scavenging two-cycle engine includes a scavenging flow passage (3) for connection between a cylinder chamber (4a) and a crank chamber (1a)...	07/11/2000
6077492	Photocatalyst, process for producing the photocatalyst, and photocatalytic reaction method A titanium oxide photocatalyst having metal ions of one or more metals incorporated therein selected from the group consisting of Cr, V, Cu, Fe, Mg, Ag, Pd, Ni, Mn and Pt, wherein the metal ions are implanted from the surface to deep inside of the bulk of...	06/20/2000
5997729	Catalytic cracking catalyst and method for cracking a heavy oil A catalytic cracking catalyst, which comprises (1) a zeolite, (2) a silica.cndot.alumina or an alumina and (3) a kaolin, has a pore diameter distribution having a peak at a pore diameter of 450 to 3,000 Å, and has 40 to 75% of a pore volume of pores of n...	12/07/1999
5951850	Process for fluid catalytic cracking of heavy fraction oil A heavy fraction oil is catalytically cracked by contacting the oil with a catalyst containing an ultrastable Y-type zeolite, in a fluid catalytic cracking apparatus having a regenerating zone, a reaction zone, a separation zone and a stripping zone and u...	09/14/1999
5925560	High-temperature desulfurization by microorganisms The present invention relates to a method of degrading organic sulfur compounds, in which organic sulfur compounds are decomposed by a microorganism belonging to the genus Paenibacillus and having the ability to decompose organic sulfur compounds. Heteroc...	07/20/1999
5904837	Process for fluid catalytic cracking of oils A process for the fluid catalytic cracking of oils, wherein an oil is brought into contact with catalyst particles using a fluid catalytic cracking reactor under the following conditions: a) a reaction zone outlet temperature of 580 to 630° C., catalyst/...	05/18/1999
5853679	Removal of nitrogen oxide from exhaust gas A process for removing nitrogen oxide from exhaust is disclosed, comprising contacting exhaust containing nitrogen oxide with an alumina catalyst which contains not more than 0.5% by weight of an alkali metal and/or an alkaline earth metal and has a total...	12/29/1998
5821320	Method of producing the aromatic polyimide 18.4 grams of 4,4'-(hexafluoroisopropyridine)diphthalic acid dianhydride and 7.5 grams of 1,4-phenylenediamine dihydrochloride are mixed in a solvent consisting of 80 ml of N-methyl-2-pyrrolidone and 20 ml of dichlorobenzene and are heated at an argon atm...	10/13/1998
5800798	Process for producing fuel gas for fuel cell A process of producing a fuel gas for fuel cells, which comprises the steps of: a) treating kerosine having a sulfur content not higher than 5 ppm with a desulfurizing agent to reduce the sulfur content of said treated kerosine to 0.2 ppm or less and b) c...	09/01/1998
5789639	Process for manufacturing alkenyl compounds A process for manufacturing an alkenyl compound which comprises reacting an alkylbenzene and 1,3-butadiene in the presence of metallic sodium or a combination of metallic sodium and an oxide, a hydroxide, or a salt of potassium, rubidium or an alkaline ea...	08/04/1998
5749943	Method of selectively separating unsaturated hydrocarbon A homogeneous membrane or an asymmetric membrane which is made of polyimide resin containing fluorine as a main component and has high separation and permeation properties, is used in a method of separating unsaturated hydrocarbon from a mixture of unsatu...	05/12/1998

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Assignee: Petroleum Energy Center