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Hydrocarbon residue upgradation process
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Patent number 9,803,146
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Issue date Oct 31, 2017
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Hindustan Petroleum Corporation Ltd.
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Pramod Kumar
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Hydrocracking catalyst composition
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Patent number 7,648,939
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Issue date Jan 19, 2010
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Shell Oil Company
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László Domokos
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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4473462
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Patent number 4,473,462
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Issue date Sep 25, 1984
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Hydrogenation of asphaltenes and the like
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Patent number 4,468,316
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Issue date Aug 28, 1984
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Chemroll Enterprises, Inc.
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Rollan Swanson
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3271300
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Patent number 3,271,300
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Issue date Sep 6, 1966
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2434833
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Patent number 2,434,833
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Issue date Jan 20, 1948
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C07 - ORGANIC CHEMISTRY
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2430803
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Patent number 2,430,803
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Issue date Nov 11, 1947
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2426483
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Patent number 2,426,483
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Issue date Aug 26, 1947
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2415477
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Patent number 2,415,477
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Issue date Feb 11, 1947
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C07 - ORGANIC CHEMISTRY
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2331930
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Patent number 2,331,930
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Issue date Oct 19, 1943
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2094128
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Patent number 2,094,128
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Issue date Sep 28, 1937
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1721523
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Patent number 1,721,523
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Issue date Jul 23, 1929
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1221698
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Patent number 1,221,698
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Issue date Apr 3, 1917
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...