Yoshiyuki Iwase

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Iwakuni, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing hydrocarbon resins having improved color and...
- Patent number 4,105,843
- Issue date Aug 8, 1978
- Mitsui Petrochemical Industries Ltd.
- Yoshiyuki Iwase
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydrocarbon resins and process for preparing same
- Patent number 4,102,834
- Issue date Jul 25, 1978
- Mitsui Petrochemical Industries, Ltd.
- Teijiro Morimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...