Kauko Nieminen

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of methylenebisphosphonic acids
- Patent number 5,237,094
- Issue date Aug 17, 1993
- Leiras Oy
- Klaus Lampi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of 2,6-diisopropyl phenol
- Patent number 5,175,376
- Issue date Dec 29, 1992
- Leiras Oy
- Kauko Nieminen
- C07 - ORGANIC CHEMISTRY