Kazuaki Harada

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Soluble copolyimide from 9,9-bis (4-amino phenyl) fluorene
- Patent number 4,845,185
- Issue date Jul 4, 1989
- Nippon Steel Corporation
- Takero Teramoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Soluble heat-resistant aromatic polyamide terminated with aromatic...
- Patent number 4,833,214
- Issue date May 23, 1989
- Nippon Steel Corporation
- Takero Teramoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat-resistant polyamide from bis(4-aminophenyl)fluorene
- Patent number 4,794,159
- Issue date Dec 27, 1988
- Nippon Steel Corporation
- Takero Teramoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...