Yutaka Kondo

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Tetrahydrophthalimide methyl-2-phenylbenzatriazoles
- Patent number 4,077,971
- Issue date Mar 7, 1978
- Sumitomo Chemical Company, Limited
- Taira Fujita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ultra violet absorber
- Patent number 4,028,331
- Issue date Jun 7, 1977
- Sumitomo Chemical Company, Limited
- Seiji Hotta
- C07 - ORGANIC CHEMISTRY