Ivan Helfert

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Praha, CS

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Patents Grantslast 30 patents

Information Patent Grant
N-arylalkylderivatives of 2-aminomethyl-2,3-dihydro-1,4-benzodioxin...
- Patent number 5,424,456
- Issue date Jun 13, 1995
- Vyzkumny Ustav Pro Farmacii A Biochemii s.p.
- Gabriel Butora
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Isopropyl-2-(2-methylphenyl)-5-(N-methyl-N-homoveratrylamino)-val...
- Patent number 4,847,403
- Issue date Jul 11, 1989
- Spofa, spojene podniky pro zdravotnickou
- Luedvik Blaha
- C07 - ORGANIC CHEMISTRY