Janos Gundel

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Budapest, HU

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Patents Grantslast 30 patents

Information Patent Grant
2-Hydroxymethyl-quinoxaline-1,4-dioxide derivatives, a process for...
- Patent number 4,511,717
- Issue date Apr 16, 1985
- EGYT Gyogyszervegyeszeti Gyar
- Pal Benko
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridazino[4,5-b]quinoxaline-5,10-dioxide derivatives, a process fo...
- Patent number 4,404,204
- Issue date Sep 13, 1983
- Patentbureau DANUBIA
- Pal Benko
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Methyl-quinoxaline-1,4-dioxide derivatives
- Patent number 4,373,100
- Issue date Feb 8, 1983
- EGYT Gyogyszervegyeszeti Gyar
- Pal Benko
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Quinoxaline-2-yl ethenyl ketones
- Patent number 4,373,101
- Issue date Feb 8, 1983
- EGYT Gyogyszervegyeszeti Gyar
- Pal Benko
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES