Bela Stefko

Person

Budapest, HU

People

Patents Grantslast 30 patents

Information Patent Grant
Use of zinc hyaluronate against peptic ulcer
- Patent number 6,656,921
- Issue date Dec 2, 2003
- Richter Gedeon Vegyeszeti Gyar Rt
- Janos Illes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compositions containing hyaluronic acid associates and a process fo...
- Patent number 6,458,774
- Issue date Oct 1, 2002
- Richter Gedeon Vegyeszeti Gyar Rt
- Kalman Burger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pharmaceutical compositions with antimicrobial activity
- Patent number 6,348,190
- Issue date Feb 19, 2002
- Richter Gedeon Vegyeszeti Gyar Rt
- Janos Illes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compositions containing cobalt hyaluronic acid complex
- Patent number 5,472,950
- Issue date Dec 5, 1995
- Richter Gedeon Vegyeszeti Gyar Rt.
- Kalman Burger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Acaricidal compositions and process for preparing same
- Patent number 5,312,622
- Issue date May 17, 1994
- Richter Gedeon Vegyeszeti Gyar Rt.
- Tibor Nagy
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for preparing the octahydro-indolo[2,3-a] quinolizine diest...
- Patent number 5,218,119
- Issue date Jun 8, 1993
- Richter Gedeon Vegyeszeti Gyar Rt.
- Janos Kreidl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for dehydration of condensation reaction mixtures obtained...
- Patent number 5,137,605
- Issue date Aug 11, 1992
- Richter Gedeon Vegyeszeti Gyar Rt.
- Istvan Greiner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Racemic and optically active octahydro-indolo(2,3-a) tetrahydropyra...
- Patent number 5,122,607
- Issue date Jun 16, 1992
- Richter Gedeon Vegyesczeti Gyar RT.
- Janos Kreidl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aminodiaryl sulfoxide derivatives, process for their preparation an...
- Patent number 4,985,463
- Issue date Jan 15, 1991
- Richter Gedeon Vegyeszeti Gyar Rt.
- Janos Kreidl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 6-amino-1,2-dihydro-1-hydroxy-2-imino-4-piperidinopy...
- Patent number 4,960,888
- Issue date Oct 2, 1990
- Richter Gedeon Vegyeszeti Gyar Rt.
- Andras Vedres
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nitraminodiaryl sulfoxide derivatives, process for their preparatio...
- Patent number 4,956,007
- Issue date Sep 11, 1990
- Richter Gedeon Vegyeszeti Gyor Rt.
- Janos Kreidl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Halogenated-8- and 1,8-substituted ergolenes
- Patent number 4,859,682
- Issue date Aug 22, 1989
- Richter Gedeon Vegyeszeti Gyar Rt.
- Tibor Keve
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Eburnamenine derivatives, pharmaceutical compositions and methods e...
- Patent number 4,839,362
- Issue date Jun 13, 1989
- Richter Gedeon Vegyeszeti Gyar Rt.
- Janos Kreidl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of nitrodiaryl sulfoxides
- Patent number 4,831,194
- Issue date May 16, 1989
- Richter Gedeon Vegyeszeti Gyar Rt.
- Janos Kreidl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of 2-halogenated ergoline derivatives
- Patent number 4,816,587
- Issue date Mar 28, 1989
- Richter Gedeon Vegyeszeti Gyar Rt.
- Gabor Megyeri
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nintrovincaminic acid derivatives having pharmaceutical utility
- Patent number 4,810,709
- Issue date Mar 7, 1989
- Richter Gedeon Vegyeszefi Gyar R.T.
- Andras Vedres
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrimidine derivatives and process preparing the same
- Patent number 4,780,537
- Issue date Oct 25, 1988
- Richter Gedeon Vegyeszeti Gyar Rt.
- Andras Vedres
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of an apovincaminol derivative
- Patent number 4,758,666
- Issue date Jul 19, 1988
- Richter Gedeon Vegyeszeti Gyar Rt.
- Janos Galambos
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Eburnane derivatives, process for their preparation and pharmaceuti...
- Patent number 4,735,946
- Issue date Apr 5, 1988
- Richter Gedeon Vegyeszeti Gyar Rt.
- Csaba Szantay
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkylamino-furanon-derivatives
- Patent number 4,725,617
- Issue date Feb 16, 1988
- Richter Gedeon Vegyeszeti Gyar Rt.
- Tamas Fodor
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Nitrodiaryl sulfoxide derivatives, process for their preparation an...
- Patent number 4,710,323
- Issue date Dec 1, 1987
- Richter Gedeon Vegyeszeti Gyar Rt.
- Janos Kreidl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of 2-bromo-.alpha.-ergocryptine
- Patent number 4,697,017
- Issue date Sep 29, 1987
- Richter Gedeon Vegyeszeti Gyar Rt.
- Gabor Megyeri
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pharmaceutical compositions with a neuroleptic action and process f...
- Patent number 4,681,887
- Issue date Jul 21, 1987
- Richter Gedeon Vegyeszeti Gyar Rt.
- Gabor Megyeri
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the treatment of fermentation broth containing vitamin...
- Patent number 4,657,859
- Issue date Apr 14, 1987
- Agnes Kelemen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Plant-protective and pest-control agent
- Patent number 4,334,910
- Issue date Jun 15, 1982
- Richter Gedeon Vegyeszeti Gyar Rt.
- Csaba Lorincz
Information Patent Grant
Composite insect attractant for male cabbage moths and a process fo...
- Patent number 4,243,660
- Issue date Jan 6, 1981
- EGYT Gyogyszervegyeszeti Gyar
- Csaba Szantay
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for continuous drying of chemical products by milling-fluid...
- Patent number 3,938,259
- Issue date Feb 17, 1976
- Richter Gedeon Vegyeszeti Gyar Rt
- Zoltan Ormos
- F26 - DRYING

Bela Stefko

Person

Patents Grantslast 30 patents

Use of zinc hyaluronate against peptic ulcer

Compositions containing hyaluronic acid associates and a process fo...

Pharmaceutical compositions with antimicrobial activity

Compositions containing cobalt hyaluronic acid complex

Acaricidal compositions and process for preparing same

Process for preparing the octahydro-indolo[2,3-a] quinolizine diest...

Process for dehydration of condensation reaction mixtures obtained...

Racemic and optically active octahydro-indolo(2,3-a) tetrahydropyra...

Aminodiaryl sulfoxide derivatives, process for their preparation an...

Preparation of 6-amino-1,2-dihydro-1-hydroxy-2-imino-4-piperidinopy...

Nitraminodiaryl sulfoxide derivatives, process for their preparatio...

2-Halogenated-8- and 1,8-substituted ergolenes

Eburnamenine derivatives, pharmaceutical compositions and methods e...

Process for the preparation of nitrodiaryl sulfoxides

Process for the preparation of 2-halogenated ergoline derivatives

Nintrovincaminic acid derivatives having pharmaceutical utility

Pyrimidine derivatives and process preparing the same

Process for the preparation of an apovincaminol derivative

Eburnane derivatives, process for their preparation and pharmaceuti...

Alkylamino-furanon-derivatives

Nitrodiaryl sulfoxide derivatives, process for their preparation an...

Process for the preparation of 2-bromo-.alpha.-ergocryptine

Pharmaceutical compositions with a neuroleptic action and process f...

Process for the treatment of fermentation broth containing vitamin...

Plant-protective and pest-control agent

Composite insect attractant for male cabbage moths and a process fo...

Process for continuous drying of chemical products by milling-fluid...