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Weilong Chiang
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Naperville, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Use of adsorber material to relieve vacuum in sealed container caus...
Patent number
9,481,503
Issue date
Nov 1, 2016
PepsiCo, Inc.
Weilong L. Chiang
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Oxygen-scavenging compositions and articles
Patent number
6,586,514
Issue date
Jul 1, 2003
Ciba Specialty Chemicals Corporation
Weilong L. Chiang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Oxygen-scavenging compositions and articles
Patent number
6,369,148
Issue date
Apr 9, 2002
Ciba Specialty Chemicals Corporation
Weilong L. Chiang
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Zero oxygen permeation plastic bottle for beer and other applications
Patent number
6,365,247
Issue date
Apr 2, 2002
BP Corporation North America Inc.
Paul J. Cahill
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Efficiency oxygen-scavenging compositions and articles
Patent number
5,885,481
Issue date
Mar 23, 1999
Amoco Corporation
Lakshmi N. Venkateshwaran
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Oxygen-scavenging compositions and articles
Patent number
5,744,056
Issue date
Apr 28, 1998
Amoco Corporation
Lakshmi N. Venkateshwaran
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Concentrate for use in the melt fabrication of polyester
Patent number
5,556,926
Issue date
Sep 17, 1996
Amoco Corporation
George E. Rotter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Concentrate for use in the melt fabrication of polyester
Patent number
5,536,793
Issue date
Jul 16, 1996
Amoco Corporation
George E. Rotter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Foamed core-reclaim multi layer sheet having improved resistance to...
Patent number
5,462,794
Issue date
Oct 31, 1995
Amoco Corporation
David C. Lindemann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Increased throughput in melt fabrication and foaming of polyester
Patent number
5,446,111
Issue date
Aug 29, 1995
Amoco Corporation
George E. Rotter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Increased throughput in melt fabrication and foaming of polyester
Patent number
5,340,846
Issue date
Aug 23, 1994
Amoco Corporation
George E. Rotter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Increased throughput in foaming and other melt fabrication of polye...
Patent number
5,288,764
Issue date
Feb 22, 1994
Amoco Corporation
George E. Rotter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Regioselective nitration of diphenyl compounds
Patent number
5,037,994
Issue date
Aug 6, 1991
Amoco Corporation
Allen B. Mossman
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyimide polymers and copolymers using 3,5-diaminobenzotrifluoride
Patent number
4,876,329
Issue date
Oct 24, 1989
Amoco Corporation
Weilong L. Chiang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Use of Adsorber Material to Relieve Vacuum in Sealed Container Caus...
Publication number
20140090744
Publication date
Apr 3, 2014
PepsiCo, Inc.
Weilong L. Chiang
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Oxygen-scavenging compositions and articles
Publication number
20020086929
Publication date
Jul 4, 2002
Weilong L. Chiang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
OXYGEN-SCAVENGING COMPOSITIONS AND ARTICLES
Publication number
20010018480
Publication date
Aug 30, 2001
WEILONG L. CHIANG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL