Sanko Haihatsu Kagaku Kenkyusho

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Patents Grantslast 30 patents

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Sulfonyl compound and thermal-sensitive recording medium using the...
- Patent number 5,705,452
- Issue date Jan 6, 1998
- Sanko Haihatsu Kagaku Kenkyusho
- Toranosuke Saito
- C07 - ORGANIC CHEMISTRY