Josef Pfeifer

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Domat-Ems, GR, CH

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Patents Grantslast 30 patents

Information Patent Grant
Sulphonic acid salts with antistatic activity
- Patent number 3,937,725
- Issue date Feb 10, 1976
- Inventa AG fur Forschung und Patenverwertung
- Josef Pfeifer
- C07 - ORGANIC CHEMISTRY