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last 30 patents
Information
Patent Grant
Flexible diamine compound for preparation of polyamide and polyimide
Patent number
6,137,008
Issue date
Oct 24, 2000
National Science Council
Der-Jang Liaw
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of soluble polyamide, polyimide and poly(amide-imide)
Patent number
6,087,470
Issue date
Jul 11, 2000
National Science Council of Republic of China
Der-Jang Liaw
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
2,2'-dimethyl-4,4'-bis (4-aminophenoxy) biphenyl, and polymers prep...
Patent number
5,844,065
Issue date
Dec 1, 1998
National Science Council
Der-Jang Liaw
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Flexible diamine compound, and polyamide and polyimide prepared the...
Patent number
5,817,741
Issue date
Oct 6, 1998
National Science Council
Der-Jang Liaw
C07 - ORGANIC CHEMISTRY