Hideshi Sakamoto

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Niihama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing epoxy resin
- Patent number 6,222,054
- Issue date Apr 24, 2001
- Sumitomo Chemical Company, Limited
- Takashi Morimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Curing agent for epoxy resin
- Patent number 5,107,036
- Issue date Apr 21, 1992
- Sumitomo Chemical Company, Limited
- Nobuyuki Nakajima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Glycidyl ethers of phenolic compounds and process for producing the...
- Patent number 5,077,375
- Issue date Dec 31, 1991
- Sumitomo Chemical Company, Limited
- Noriaki Saito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Glycidyl ethers of phenolic compounds and process for producing the...
- Patent number 5,008,350
- Issue date Apr 16, 1991
- Sumitomo Chemical Company, Limited
- Noriaki Saito
- C07 - ORGANIC CHEMISTRY