Assignee
PETROLEUM ENERGY CENTER FOUND
JP·22 granted patents·408 citations·filing 1988–2005
Top patents by PatentIndex Score
22 records- 0192US6797153B1Catalyst for hydrocracking of heavy oils and method of hydrocracking heavy oilsPETROLEUM ENERGY CENTER FOUND·Filed 2000·Granted Sep 28, 2004·107 cites·22 claims
- 0284US6646105B2Process for treating by-product of polyarylene sulfidePETROLEUM ENERGY CENTER FOUND·Filed 2002·Granted Nov 11, 2003·23 cites·10 claims
- 0384US6562900B2Production process for polyarylene sulfidePETROLEUM ENERGY CENTER FOUND·Filed 2001·Granted May 13, 2003·21 cites·7 claims
- 0479US4975512AReformed polysilazane and method of producing samePETROLEUM ENERGY CENTER FOUND·Filed 1988·Granted Dec 4, 1990·25 cites·17 claims
- 0575US6077492APhotocatalyst, process for producing the photocatalyst, and photocatalytic reaction methodPETROLEUM ENERGY CENTER FOUND·Filed 1997·Granted Jun 20, 2000·45 cites·18 claims
- 0673US5284717AMethod for producing raw materials for a reformer by cracking and desulfurizing petroleum fuelsPETROLEUM ENERGY CENTER FOUND·Filed 1993·Granted Feb 8, 1994·37 cites·6 claims
- 0770US6146597ASeparation devicePETROLEUM ENERGY CENTER FOUND·Filed 1998·Granted Nov 14, 2000·47 cites·4 claims
- 0869US5749943AMethod of selectively separating unsaturated hydrocarbonPETROLEUM ENERGY CENTER FOUND·Filed 1996·Granted May 12, 1998·37 cites·5 claims
- 0966US5227352ACatalyst composition for catalytic cracking of hydrocarbon oil and process for producing the samePETROLEUM ENERGY CENTER FOUND·Filed 1991·Granted Jul 13, 1993·28 cites·16 claims
- 1055US6737380B2Solid acid catalyst, production method thereof, and method for hydrodesulfurizing and isomerizing light hydrocarbon oil using the samePETROLEUM ENERGY CENTER FOUND·Filed 2002·Granted May 18, 2004·3 cites·6 claims
- 1154US6607903B2Genes encoding desulfurization enzymesPETROLEUM ENERGY CENTER FOUND·Filed 2002·Granted Aug 19, 2003·0 cites·17 claims
- 1254US6479271B1Genes encoding desulfurization enzymesPETROLEUM ENERGY CENTER FOUND·Filed 2002·Granted Nov 12, 2002·0 cites·17 claims
- 1351US5220098AProcess for separating 2, 7-dimethylnaphthalene under pressurePETROLEUM ENERGY CENTER FOUND·Filed 1991·Granted Jun 15, 1993·6 cites·3 claims
- 1450US4861569AReformed, inorganic polysilazane and method of producing samePETROLEUM ENERGY CENTER FOUND·Filed 1988·Granted Aug 29, 1989·7 cites·10 claims
- 1548US4933160AReformed, inorganic polysilazanePETROLEUM ENERGY CENTER FOUND·Filed 1989·Granted Jun 12, 1990·6 cites·6 claims
- 1645US7691774B2Hydrogenation desulfurization isomerization catalyst, process for producing the same and method of desulfurization isomerization for sulfurous hydrocarbon oilPETROLEUM ENERGY CENTER FOUND·Filed 2003·Granted Apr 6, 2010·1 cites·2 claims
- 1740US6130081AHigh-temperature desulfurization by microorganismsPETROLEUM ENERGY CENTER FOUND·Filed 1999·Granted Oct 10, 2000·3 cites·2 claims
- 1839US5821320AMethod of producing the aromatic polyimidePETROLEUM ENERGY CENTER FOUND·Filed 1997·Granted Oct 13, 1998·5 cites·19 claims
- 1933US6420158B1Gene encoding desulfurasesPETROLEUM ENERGY CENTER FOUND·Filed 1999·Granted Jul 16, 2002·0 cites·11 claims
- 2033US5925560AHigh-temperature desulfurization by microorganismsPETROLEUM ENERGY CENTER FOUND·Filed 1997·Granted Jul 20, 1999·1 cites·10 claims
- 2132US6252038B1Method for selectively separating hydrocarbonsPETROLEUM ENERGY CENTER FOUND·Filed 1999·Granted Jun 26, 2001·6 cites·6 claims
- 2225US7585677B2Method of evaluating corrosion resistance of material under ammonium bisulfide environmentPETROLEUM ENERGY CENTER FOUND·Filed 2005·Granted Sep 8, 2009·0 cites·3 claims
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