Katsuzi Ueno

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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-...