Tamon Okano

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Patents Grantslast 30 patents

Information Patent Grant
5,5'-diamino or 5,5'-diacetamido-2,2'-bis(diphenylphosphino)-1,1'-b...
- Patent number 4,705,895
- Issue date Nov 10, 1987
- Takasago Perfumery Co., Ltd.
- Tamon Okano
- C07 - ORGANIC CHEMISTRY