Hiroyasu Sato

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Iwaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composition for color development comprising 4-hydroxy-4'-isopropox...
- Patent number 5,609,672
- Issue date Mar 11, 1997
- Nippon Soda Co., Ltd.
- Tomoya Hidaka
- C07 - ORGANIC CHEMISTRY