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Pauline B. Borgens
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Diamond Bar, CA, US
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last 30 patents
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Patent Grant
Hydroprocessing hydrocarbon oils
Patent number
4,940,533
Issue date
Jul 10, 1990
Union Oil Company of California
Howard D. Simpson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Hydroprocessing catalyst and phosphorous and citric acid containing...
Patent number
4,879,265
Issue date
Nov 7, 1989
Union Oil Company of California
Howard D. Simpson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL