Haruo Suzuki

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for prevention of loss of transparency of polyarylene ester...
- Patent number 4,379,892
- Issue date Apr 12, 1983
- Sumitomo Chemical Company, Limited
- Katsuzi Ueno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bulk Polycondensation process for producing aromatic polyesters
- Patent number 4,327,205
- Issue date Apr 27, 1982
- Sumitomo Chemical Company, Limited
- Yasuyuki Kato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polycondensates
- Patent number 4,313,870
- Issue date Feb 2, 1982
- Sumitomo Chemical Company, Limited
- Shozaburo Imai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing aromatic polyesters
- Patent number 4,311,823
- Issue date Jan 19, 1982
- Sumitomo Chemical Company Limited
- Shozaburo Imai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...