Laszlo Levai

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Patents Grantslast 30 patents

Information Patent Grant
1,4,Dihydro-pyridine intermediates
- Patent number 5,216,157
- Issue date Jun 1, 1993
- Egis Gyogyszergyar
- Pal Benko
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 1,4-dihydro-pyridine derivatives
- Patent number 5,126,457
- Issue date Jun 30, 1992
- Egis Gyogyszergyar
- Pal Benko
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-Phenyl-2-amino-1,3-propanediol-N-aryloxyalkyl derivatives
- Patent number 4,259,257
- Issue date Mar 31, 1981
- EGYT Gyogyszervegyeszeti Gyar
- Laszlo Levai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Plant protecting agents and methods for their use
- Patent number 4,160,035
- Issue date Jul 3, 1979
- EGYT Gyogyszervegyeszeti Gyar
- Laszlo Levai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing the threo- and erythro-isomers of 1-phenyl-2-...
- Patent number 4,123,615
- Issue date Oct 31, 1978
- EGYT Gyogyszervegyeszeti Gyar
- Laszlo Levai
- C07 - ORGANIC CHEMISTRY