Ryouichi Tamai

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Kamifukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing 1,1,1,3,3-pentafluoropropane
- Patent number 6,316,681
- Issue date Nov 13, 2001
- Central Glass Company, Limited
- Satoshi Yoshikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 1,1,1,3,3-pentafluoropropane
- Patent number 6,235,951
- Issue date May 22, 2001
- Central Glass Company, Limited
- Fuyuhiko Sakyu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 1,1,1,3,3-pentafluoropropane
- Patent number 6,198,010
- Issue date Mar 6, 2001
- Central Glass Company, Limited
- Satoshi Yoshikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying crude 1,1,1,3,3-pentafluoropropane
- Patent number 6,120,652
- Issue date Sep 19, 2000
- Central Glass Company
- Yasuo Hibino
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 1,1,1,3,3,-pentafluoropropane
- Patent number 6,111,150
- Issue date Aug 29, 2000
- Central Glass Company, Limited
- Fuyuhiko Sakyu
- C07 - ORGANIC CHEMISTRY