Hannu Hanhijarvi

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Patents Grantslast 30 patents

Information Patent Grant
Methylenebisphosphonic acid derivatives
- Patent number 5,442,101
- Issue date Aug 15, 1995
- Leiras Oy
- Hannu Hanhijarvi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methylenebisphosphonic acid derivatives
- Patent number 5,438,048
- Issue date Aug 1, 1995
- Leiras Oy
- Hannu Nikander
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bispilocarpic acid ester derivatives and process for their preparation
- Patent number 5,436,350
- Issue date Jul 25, 1995
- Tomi Jarvinen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methylenebisphosphonic acid derivatives
- Patent number 5,393,748
- Issue date Feb 28, 1995
- Leiras Oy
- Esko Pohjala
- C07 - ORGANIC CHEMISTRY