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I-Ching Chiu
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Lubricant for magnetic recording medium and use thereof
Patent number
7,244,522
Issue date
Jul 17, 2007
Shell Oil Company
Selda Gunsel
G11 - INFORMATION STORAGE
Information
Patent Grant
Lubricant for magnetic recording medium and use thereof
Patent number
7,195,828
Issue date
Mar 27, 2007
Shell Oil Company
Selda Gunsel
G11 - INFORMATION STORAGE
Information
Patent Grant
Ethylene alpha-olefin polymers, process and uses
Patent number
6,730,818
Issue date
May 4, 2004
Penzoil-Quaker State Company
William J. Heilman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Lubricant for magnetic recording medium and use thereof
Patent number
6,667,284
Issue date
Dec 23, 2003
Pennzoil-Quaker State Company
Selda Gunsel
G11 - INFORMATION STORAGE
Information
Patent Grant
Vinylidene-containing polymers and uses thereof
Patent number
6,586,646
Issue date
Jul 1, 2003
Pennzoil-Quaker State Company
William J. Heilman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ethylene-alpha-olefin polymers, processes and uses
Patent number
6,417,416
Issue date
Jul 9, 2002
Pennzoil-Quaker State Company
William J. Heilman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ethylene-alpha-olefin polymers, processes and uses
Patent number
6,388,148
Issue date
May 14, 2002
Pennzoil-Quaker State Company
William Heilmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ethylene-alpha-olefin polymers, processes and uses
Patent number
6,262,324
Issue date
Jul 17, 2001
Pennzoil-Quaker State Company
William Heilmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ethylene-alpha-olefin polymers, processes and uses
Patent number
6,124,513
Issue date
Sep 26, 2000
Pennzoil-Quaker State Company
William J. Heilman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dithiocarbamoyl diols and borate esters thereof for use in lubrican...
Patent number
5,672,727
Issue date
Sep 30, 1997
Pennzoil Products Company
I.-Ching Chiu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dithiocarbamoyl diols and borate esters thereof for use in lubrican...
Patent number
5,560,853
Issue date
Oct 1, 1996
Pennzoil Products Company
I.-Ching Chiu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for productin of 4,4'-thiobis phenols
Patent number
5,319,144
Issue date
Jun 7, 1994
Pennzoil Products Company
I. Ching Chiu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkylene diamines for use in friction and wear reducing compositions
Patent number
4,873,370
Issue date
Oct 10, 1989
Pennzoil Products Company
I.-Ching Chiu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphorus-free antiwear/antifriction additives
Patent number
4,863,622
Issue date
Sep 5, 1989
Pennzoil Products Company
I.-Ching Chiu
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Information
Patent Application
Lubricant for magnetic recording medium and use thereof
Publication number
20060035113
Publication date
Feb 16, 2006
Selda Gunsel
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Continuously variable transmission fluid and method of making same
Publication number
20040242441
Publication date
Dec 2, 2004
Pennzoil-Quaker State Company
I-Ching Chiu
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Environmentally friendly lubricants
Publication number
20030186824
Publication date
Oct 2, 2003
Pennzoil-Quaker State Company
I-Ching Chiu
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Lubricant for magnetic recording medium and use thereof
Publication number
20030108777
Publication date
Jun 12, 2003
Pennzoil-Quaker State Company
Selda Gunsel
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Ethylene alpha-olefin polymers, process and uses
Publication number
20020193647
Publication date
Dec 19, 2002
Pennzoil-Quaker State Company
William J. Heilman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Lubricant for magnetic recording medium and use thereof
Publication number
20020114980
Publication date
Aug 22, 2002
Selda Gunsel
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Ethylene-alpha-olefin polymers, processes and uses
Publication number
20010044562
Publication date
Nov 22, 2001
Pennzoil-Quaker State Company
William J. Heilman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...