Masaki Fujiwara

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Kurashiki, JP

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Patents Grantslast 30 patents

Information Patent Grant
2-amino-6-chloropurine and method for preparing the same
- Patent number 6,187,921
- Issue date Feb 13, 2001
- Sumika Fine Chemicals Co., Ltd.
- Masatoshi Sakai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Double cone-like crystal form of 2-amino-6-chloropurine and prepara...
- Patent number 5,789,590
- Issue date Aug 4, 1998
- Sumika Fine Chemicals Co., Ltd.
- Masatoshi Sakai
- C07 - ORGANIC CHEMISTRY