Iko Ito

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Ehime, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process of producing glycidyl ethers of monohydric or polyhydric ph...
- Patent number 4,876,371
- Issue date Oct 24, 1989
- Sumitomo Chemical Company, Limited
- Iko Ito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optical resin material having improved birefringence
- Patent number 4,785,053
- Issue date Nov 15, 1988
- Sumitomo Chemical Company, Limited
- Iko Ito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Glycidyl ether of novolak type substituted phenolic resin, process...
- Patent number 4,468,508
- Issue date Aug 28, 1984
- Sumitomo Chemical Company, Limited
- Iko Ito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...