Chiaki Kutani

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Funabashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing 7-(substituted)amino-3-substituted thiomethyl...
- Patent number 4,385,178
- Issue date May 24, 1983
- Toyama Chemical Co., Ltd.
- Isamu Saikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 7-(substituted)amino-3-substituted thiomethyl...
- Patent number 4,317,907
- Issue date Mar 2, 1982
- Toyama Chemical Co., Ltd.
- Isamu Saikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 7-(substituted)amino-3-substituted thiomethyl...
- Patent number 4,312,986
- Issue date Jan 26, 1982
- Toyama Chemical Co., Ltd.
- Isamu Saikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 7-(D(-)-.alpha.-(4-ethyl-2,3-dioxo-1-piperazi...
- Patent number 4,304,909
- Issue date Dec 8, 1981
- Toyama Chemical Co., Ltd.
- Isamu Saikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediate for cephalosporin type compound
- Patent number 4,237,280
- Issue date Dec 2, 1980
- Toyama Chemical Company, Limited
- Isamu Saikawa
- C07 - ORGANIC CHEMISTRY