Keikki Nupponen

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Kangasala, FI

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Patents Grantslast 30 patents

Information Patent Grant
Partial esters of (Di) chloromethanediphosphonic acid useful for tr...
- Patent number 5,376,649
- Issue date Dec 27, 1994
- Leiras Oy
- Esko Pohjala
- C07 - ORGANIC CHEMISTRY