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Chia-Hung Chen
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Dublin, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Polyisocyanate compositions and their use
Patent number
6,883,587
Issue date
Apr 26, 2005
Ashland Inc.
Chia-hung Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hydrogenfluorides of aminosilanols and their use
Patent number
6,664,310
Issue date
Dec 16, 2003
Ashland Inc.
Chia-hung Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyurethane-forming binders
Patent number
6,632,856
Issue date
Oct 14, 2003
Chia-hung Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Polyurethane-forming binders
Patent number
6,602,931
Issue date
Aug 5, 2003
Ashland Inc.
Chia-hung Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Solventless polyurethane no-brake foundry binder
Patent number
6,291,550
Issue date
Sep 18, 2001
Ashland Inc.
Chia-hung Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Solventless polyurethane no-bake foundry binder
Patent number
6,063,833
Issue date
May 16, 2000
Ashland Inc.
Chia-hung Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Polyurethane forming no-bake foundry binders
Patent number
6,017,978
Issue date
Jan 25, 2000
Ashland Inc.
Chia-hung Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
No-bake foundry mixes and their uses
Patent number
6,005,021
Issue date
Dec 21, 1999
Ashland Inc.
Chia-hung Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
No-bake foundry mixes and their use
Patent number
5,859,091
Issue date
Jan 12, 1999
Ashland Inc.
Chia-hung Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Polyurethane-forming cold-box binders and their uses
Patent number
5,688,857
Issue date
Nov 18, 1997
Ashland Inc.
Chia-hung Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rubber-based primer for room temperature repair of rubber gaskets
Patent number
5,262,237
Issue date
Nov 16, 1993
Ashland Oil, Inc.
Chia-Hung Chen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Stabilized phenolic resole resin compositions and their use
Publication number
20060270753
Publication date
Nov 30, 2006
Chia-hung Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Stabilized phenolic resole resin compositions and their use
Publication number
20050020723
Publication date
Jan 27, 2005
Chia-hung Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Polyisocyanate compositions and their use
Publication number
20030173055
Publication date
Sep 18, 2003
Chia-hung Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polyurethane-forming binders
Publication number
20030042000
Publication date
Mar 6, 2003
Chia-Hung Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Polyurethane-forming binders
Publication number
20030037904
Publication date
Feb 27, 2003
Chia-Hung Chen
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Hydrogenfluorides of aminosilanols and their use
Publication number
20030004224
Publication date
Jan 2, 2003
Chia-Hung Chen
C07 - ORGANIC CHEMISTRY