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Stephen H. Roby

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  • Hercules, CA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    REMOVAL OF METALS FROM LIQUID PYROLYSIS OIL
    • Publication number 20150337087
    • Publication date Nov 26, 2015
    • Chevron U.S.A. Inc.
    • Guangci Zhou
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    REMOVAL OF METALS FROM LIQUID PYROLYSIS OIL
    • Publication number 20150203420
    • Publication date Jul 23, 2015
    • Chevron U.S.A. Inc.
    • Guangci Zhou
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Process For Production Of Distillate Fuel
    • Publication number 20140058147
    • Publication date Feb 27, 2014
    • Chevron U.S.A. Inc.
    • Guangci Zhou
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Process For Production Of Distillate Fuel
    • Publication number 20140058148
    • Publication date Feb 27, 2014
    • Chevron U.S.A. Inc.
    • Guangci Zhou
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    PROCESS, METHOD, AND SYSTEM FOR REMOVING HEAVY METALS FROM FLUIDS
    • Publication number 20130306521
    • Publication date Nov 21, 2013
    • Dennis John O'Rear
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Low Pour Point Renewable Fuel Blend
    • Publication number 20120283491
    • Publication date Nov 8, 2012
    • Chevron U.S.A. Inc.
    • Guangci Zhou
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    ENHANCED BIODIESEL FUEL HAVING IMPROVED LOW-TEMPERATURE PROPERTIES...
    • Publication number 20110203165
    • Publication date Aug 25, 2011
    • Chevron U.S.A. Inc.
    • Guangci ZHOU
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    METHODS FOR IMPROVING LOW-TEMPERATURE PROPERTIES OF BIODIESEL FUEL
    • Publication number 20100154291
    • Publication date Jun 24, 2010
    • Chevron U.S.A. Inc.
    • Stephen H. Roby
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    ENHANCED BIODIESEL FUEL HAVING IMPROVED LOW-TEMPERATURE PROPERTIES...
    • Publication number 20100154292
    • Publication date Jun 24, 2010
    • Chevron U.S.A. Inc.
    • Guangci Zhou
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Engine oil compositions
    • Publication number 20100132645
    • Publication date Jun 3, 2010
    • CHEVRON ORONITE COMPANY LLC
    • Stephen H. Roby
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    BIODIESEL-DERIVED COMBUSTION IMPROVER
    • Publication number 20100077651
    • Publication date Apr 1, 2010
    • Chevron U.S.A. Inc.
    • Stephen H. Roby
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Engine oil compostions
    • Publication number 20090197783
    • Publication date Aug 6, 2009
    • CHEVRON ORONITE COMPANY LLC
    • Stephen H. Roby
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Lubricating base oil compositions and methods for improving fuel ec...
    • Publication number 20060172898
    • Publication date Aug 3, 2006
    • Stephen H. Roby
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Engine oil compositions
    • Publication number 20050070450
    • Publication date Mar 31, 2005
    • Stephen H. Roby
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Engine oil compositions
    • Publication number 20050070449
    • Publication date Mar 31, 2005
    • Stephen H. Roby
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Low-phosphorus lubricating oil composition for extended drain inter...
    • Publication number 20040242433
    • Publication date Dec 2, 2004
    • Chevron Oronite Company LLC
    • Stephen H. Roby
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Low-phosphorus lubricating oil composition for extended drain inter...
    • Publication number 20040087451
    • Publication date May 6, 2004
    • Stephen H. Roby
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...