Carlos E. Lenhardt Padro

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Alella, ES

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing cephalosporins and intermediates therefor
- Patent number 5,037,988
- Issue date Aug 6, 1991
- Gema S.A.
- Jose Diago Meseguer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperazine intermediates
- Patent number 5,015,736
- Issue date May 14, 1991
- Gema, S.A.
- Juan Cabre Castellvi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N,N'-carbonyl-bis-(4-ethyl-2,3-dioxo)-piperazine
- Patent number 4,965,358
- Issue date Oct 23, 1990
- Gema, S.A.
- Juan Cabre Castellvi
- C07 - ORGANIC CHEMISTRY