Shuji Ozawa

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Hino, JA

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Patents Grantslast 30 patents

Information Patent Grant
Novel aromatic copolyamides prepared from 3,4' diphenylene type dia...
- Patent number 4,075,172
- Issue date Feb 21, 1978
- Teijin Limited
- Shuji Ozawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for preparing aromatic polyamides with sodium carbonate hyd...
- Patent number 4,009,154
- Issue date Feb 22, 1977
- Teijin Limited
- Takashi Noma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preparing aromatic polyamide solutions
- Patent number 3,963,664
- Issue date Jun 15, 1976
- Teijin Limited
- Shuji Ozawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Permselective polymeric membrane prepared from polybenzimidazoles
- Patent number 3,951,920
- Issue date Apr 20, 1976
- Teijin Limited
- Masao Senoo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...