TREA

Yoshitugu Egashira

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  • Hyogo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anthrapyridone compounds, their production process and their use
    • Patent number 5,367,075
    • Issue date Nov 22, 1994
    • Sumitomo Chemical Company, Limited
    • Toshio Nakamatsu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Anthrapyridone compounds
    • Patent number 4,902,798
    • Issue date Feb 20, 1990
    • Sumitomo Chemical Co., Ltd.
    • Toshio Nakamatsu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...