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Brent K. Lok
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San Francisco, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Process to manufacture a base stock
Patent number
9,732,287
Issue date
Aug 15, 2017
Chevron U.S.A. Inc.
John Michael Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Base oil manufacturing plant
Patent number
8,956,581
Issue date
Feb 17, 2015
Chevron U.S.A. Inc.
John Michael Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
170 neutral base oil with improved properties
Patent number
8,784,643
Issue date
Jul 22, 2014
Chevron U.S.A. Inc.
John Michael Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Lubricant base oil blend having low wt% noack volatility
Patent number
8,658,018
Issue date
Feb 25, 2014
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process to manufacture a base stock and a base oil manufacturing plant
Patent number
8,562,819
Issue date
Oct 22, 2013
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for improving lubricating qualities of lower quality base oil
Patent number
8,480,879
Issue date
Jul 9, 2013
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
110 neutral base oil with improved properties
Patent number
8,318,001
Issue date
Nov 27, 2012
Chevron U.S.A. Inc.
John M. Rosenbaum
G01 - MEASURING TESTING
Information
Patent Grant
Base oil slate prepared from a waxy feed
Patent number
8,192,612
Issue date
Jun 5, 2012
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process to make a light base oil fraction having low Noack volatility
Patent number
7,994,104
Issue date
Aug 9, 2011
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Extra light hydrocarbon liquids
Patent number
7,981,270
Issue date
Jul 19, 2011
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Light base oil fraction and lubricant having low wt% noack volatility
Patent number
7,846,880
Issue date
Dec 7, 2010
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Multiple side draws during distillation in the production of base o...
Patent number
7,708,878
Issue date
May 4, 2010
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Processes for producing extra light hydrocarbon liquids
Patent number
7,655,605
Issue date
Feb 2, 2010
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Polyalphaolefin and fischer-tropsch derived lubricant base oil lubr...
Patent number
7,476,645
Issue date
Jan 13, 2009
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Blending of low viscosity Fischer-Tropsch base oils with convention...
Patent number
7,144,497
Issue date
Dec 5, 2006
Chevron U.S.A. Inc.
Brent K. Lok
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for making a lube base stock from a lower molecular weight...
Patent number
6,706,936
Issue date
Mar 16, 2004
Chevron U.S.A. Inc.
Dennis J. O'Rear
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Blending of low viscosity Fischer-Tropsch base oils to produce high...
Patent number
6,703,353
Issue date
Mar 9, 2004
Chevron U.S.A. Inc.
Brent K. Lok
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Information
Patent Application
Process To Manufacture A Base Stock
Publication number
20140202924
Publication date
Jul 24, 2014
Chevron U.S.A. Inc.
John Michael Rosenbaum
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Base Oil Manufacturing Plant
Publication number
20140023562
Publication date
Jan 23, 2014
Chevron U.S.A. Inc.
John Michael Rosenbaum
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
170 NEUTRAL BASE OIL WITH IMPROVED PROPERTIES
Publication number
20130090272
Publication date
Apr 11, 2013
Chevron U.S.A. Inc.
John Michael Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
BASE OIL SLATE PREPARED FROM A WAXY FEED
Publication number
20100219100
Publication date
Sep 2, 2010
Chevron U.S.A. Inc.
JOHN M. ROSENBAUM
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
PROCESS TO MAKE A LIGHT BASE OIL FRACTION HAVING LOW NOACK VOLATILITY
Publication number
20100219101
Publication date
Sep 2, 2010
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
FINISHED LUBRICANT WITH IMPROVED RUST INHIBITION MADE USING FISCHER...
Publication number
20100105591
Publication date
Apr 29, 2010
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
PROCESS TO MAKE A 110 NEUTRAL BASE OIL WITH IMPROVED PROPERTIES
Publication number
20100078353
Publication date
Apr 1, 2010
Chevron U.S.A. Inc.
John M. Rosenbaum
G01 - MEASURING TESTING
Information
Patent Application
110 NEUTRAL BASE OIL WITH IMPROVED PROPERTIES
Publication number
20100081590
Publication date
Apr 1, 2010
Chevron U.S.A. Inc.
John M. Rosenbaum
G01 - MEASURING TESTING
Information
Patent Application
170 NEUTRAL BASE OIL WITH IMPROVED PROPERTIES
Publication number
20100078354
Publication date
Apr 1, 2010
Chevron U.S.A. Inc.
John M. Rosenbaum
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PREDICTING A PROPERTY OF A BASE OIL
Publication number
20100077842
Publication date
Apr 1, 2010
Chevron U.S.A. Inc.
John M. Rosenbaum
G01 - MEASURING TESTING
Information
Patent Application
PROCESS TO MANUFACTURE A BASE STOCK AND A BASE OIL MANUFACTURING PLANT
Publication number
20100078355
Publication date
Apr 1, 2010
Chevron U.S.A. Inc.
John M. Rosenbaum
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR IMPROVING LUBRICATING QUALITIES OF LOWER QUALITY BASE OIL
Publication number
20090233821
Publication date
Sep 17, 2009
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
LIGHT BASE OIL FRACTION AND LUBRICANT HAVING LOW WT% NOACK VOLATILITY
Publication number
20080153721
Publication date
Jun 26, 2008
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
LUBRICANT BASE OIL BLEND HAVING LOW WT% NOACK VOLATILITY
Publication number
20080149529
Publication date
Jun 26, 2008
Chevren U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Processes for producing extra light hydrocarbon liquids
Publication number
20060205610
Publication date
Sep 14, 2006
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Extra light hydrocarbon liquids
Publication number
20060201852
Publication date
Sep 14, 2006
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Multiple side draws during distillation in the production of base o...
Publication number
20060201851
Publication date
Sep 14, 2006
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Polyalphaolefin & fischer-tropsch derived lubricant base oil lubric...
Publication number
20060199743
Publication date
Sep 7, 2006
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Polyalphaolefin & Fischer-Tropsch derived lubricant base oil lubric...
Publication number
20060196807
Publication date
Sep 7, 2006
Chevron U.S.A. Inc.
John M. Rosenbaum
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Blending of low viscosity fischer-tropsch base oils with convention...
Publication number
20040094453
Publication date
May 20, 2004
Brent K. Lok
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
BLENDING OF LOW VISCOSITY FISCHER-TROPSCH BASE OILS TO PRODUCE HIGH...
Publication number
20040043910
Publication date
Mar 4, 2004
Brent K. Lok
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Process for making a lube base stockform a lower molecular weight f...
Publication number
20020003102
Publication date
Jan 10, 2002
Dennis J. O'Rear
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC