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William Loh
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Petaluma, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Ashless hydraulic fluid or paper machine oil
Patent number
8,093,188
Issue date
Jan 10, 2012
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydraulic fluid compositions and preparation thereof
Patent number
7,674,364
Issue date
Mar 9, 2010
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Lubricating oil with high oxidation stability
Patent number
7,662,271
Issue date
Feb 16, 2010
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Ashless hydraulic fluid or paper machine oil
Patent number
7,655,133
Issue date
Feb 2, 2010
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for improving the oxidation stability of ashless oil
Patent number
7,651,985
Issue date
Jan 26, 2010
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process to make an ashless lubricating oil with high oxidation stab...
Patent number
7,569,524
Issue date
Aug 4, 2009
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Ashless lubricating oil with high oxidation stability
Patent number
7,547,666
Issue date
Jun 16, 2009
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Multivalent ion tolerant steam-foaming surfactant composition for u...
Patent number
5,193,618
Issue date
Mar 16, 1993
Chevron Research and Technology Company
William Loh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Chemical tobacco sucker control
Patent number
4,828,601
Issue date
May 9, 1989
Chevron Research Company
William Loh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-(1-(5-Halothienylmethoxyimino)ethyl-3-hydroxy-5-(tetrahydro-2H-th...
Patent number
4,824,470
Issue date
Apr 25, 1989
Chevron Research Company
William Loh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-deoxy-3-O-arylmethyl or substituted arylmethyl-1,2-O-alkylidene-....
Patent number
4,579,582
Issue date
Apr 1, 1986
Chevron Research Company
William Loh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-Deoxy-3-O-arylmethyl or substituted arylmethyl-1,2-O-substituted-...
Patent number
4,554,010
Issue date
Nov 19, 1985
Chevron Research Company
William Loh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Herbicidal 2S-(2.beta.,4.beta.,5.beta.)-5-Arylmethoxy-4-substituted...
Patent number
4,554,011
Issue date
Nov 19, 1985
Chevron Research Company
William Loh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Herbicidal 5-deoxy-3-O-arylmethyl or substituted arylmethyl-1,2-O-e...
Patent number
4,534,785
Issue date
Aug 13, 1985
Chevron Research Company
William Loh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-C-Alkyl-3-O-arylmethyl or substituted arylmethyl-1,2-O-alkylidene...
Patent number
4,521,240
Issue date
Jun 4, 1985
Chevron Research Company
William Loh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-Deoxy-3-O-thienylmethyl or furylmethyl-1,2-O-alkylidene-alpha-D-x...
Patent number
4,515,618
Issue date
May 7, 1985
Chevron Research Company
William Loh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-O-Acyl-5-C-alkyl-3-O-arylmethyl or substituted arylmethyl-1,2-O-a...
Patent number
4,497,649
Issue date
Feb 5, 1985
Chevron Research Company
William Loh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thienylmethoxyiminoalkyl cyclohexanedione herbicides
Patent number
4,432,786
Issue date
Feb 21, 1984
Chevron Research Company
William Loh
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-Deoxy-3-O-arylmethyl or substituted arylmethyl-1, 2-0-alkylidene-...
Patent number
4,429,119
Issue date
Jan 31, 1984
Chevron Research Company
William Loh
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
APPLICATION-SPECIFIC FINISHED LUBRICANT COMPOSITIONS COMPRISING A B...
Publication number
20120028863
Publication date
Feb 2, 2012
David Christian Kramer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
ASHLESS HYDRAULIC FLUID OR PAPER MACHINE OIL
Publication number
20100191026
Publication date
Jul 29, 2010
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
ASHLESS HYDRAULIC FLUID OR PAPER MACHINE OIL
Publication number
20090075850
Publication date
Mar 19, 2009
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
PROCESS TO MAKE AN ASHLESS LUBRICATING OIL WITH HIGH OXIDATION STAB...
Publication number
20090029882
Publication date
Jan 29, 2009
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
METHOD FOR IMPROVING THE OXIDATION STABILITY OF ASHLESS OIL
Publication number
20090029883
Publication date
Jan 29, 2009
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Hydraulic Fluid Compositions and Preparation Thereof
Publication number
20080029430
Publication date
Feb 7, 2008
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Ashless lubricating oil with high oxidation stability
Publication number
20070142240
Publication date
Jun 21, 2007
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Lubricating oil with high oxidation stability
Publication number
20070142250
Publication date
Jun 21, 2007
Chevron U.S.A. Inc.
William Loh
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...