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Method for processing used oils
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Patent number 11,078,440
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Issue date Aug 3, 2021
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Total Marketing Services
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Nicolas Champagne
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Method for regeneration of used lubricating oils
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Patent number 10,954,468
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Issue date Mar 23, 2021
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Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of...
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Keng H. Chung
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Fluid treatment process
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Patent number 6,358,895
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Issue date Mar 19, 2002
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PABU Services, Inc.
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William David Phillips
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2446489
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Patent number 2,446,489
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Issue date Aug 3, 1948
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2401339
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Patent number 2,401,339
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Issue date Jun 4, 1946
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C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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2303262
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Patent number 2,303,262
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Issue date Nov 24, 1942
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2181608
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Patent number 2,181,608
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Issue date Nov 28, 1939
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2045216
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Patent number 2,045,216
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Issue date Jun 23, 1936
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1828428
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Patent number 1,828,428
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Issue date Oct 20, 1931
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1707671
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Patent number 1,707,671
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Issue date Apr 2, 1929
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1704446
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Patent number 1,704,446
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Issue date Mar 5, 1929
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1665845
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Patent number 1,665,845
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Issue date Apr 10, 1928
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1281354
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Patent number 1,281,354
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Issue date Oct 15, 1918
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...