Kei Tsukahara

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst for producing conjugated diene polymer
- Patent number 6,071,845
- Issue date Jun 6, 2000
- Ube Industries, Ltd.
- Nobuhiro Tsujimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing polybutadiene
- Patent number 5,905,125
- Issue date May 18, 1999
- UBE Industries, Ltd.
- Nobuhiro Tsujimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...