TREA

Toyo Chemical Industry Co., Ltd.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Manufacturing method of asphalt foam
    • Patent number 4,810,298
    • Issue date Mar 7, 1989
    • Toyo Chemical Industry Co., Ltd.
    • Sadao Kumasaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...