Inventor · disambiguated record
Bela Stefko
Also filed as: RETHEY IVAN · STEFKO BELA · STEFKOE BELA
25 granted patents·135 citations·filing 1974–1997
95Inventor score
Files withRICHTER GEDEON VEGYESZET21EGYT GYOGYSZERVEGYESZETI GYAR1KELEMEN AGNES1RICHTER GEDEON VEGYESCZETI GYA1RICHTER GEDEON VEGYESZEFI GYAR1
Top patents by PatentIndex Score
25 records- 0180US4816587AProcess for the preparation of 2-halogenated ergoline derivativesRICHTER GEDEON VEGYESZET·Filed 1987·Granted Mar 28, 1989·19 cites·4 claims
- 0272US4334910APlant-protective and pest-control agentRICHTER GEDEON VEGYESZET·Filed 1976·Granted Jun 15, 1982·10 cites·14 claims
- 0365US6348190B1Pharmaceutical compositions with antimicrobial activityRICHTER GEDEON VEGYESZET·Filed 1997·Granted Feb 19, 2002·26 cites·4 claims
- 0461US4681887APharmaceutical compositions with a neuroleptic action and process for preparing sameRICHTER GEDEON VEGYESZET·Filed 1986·Granted Jul 21, 1987·10 cites·7 claims
- 0561US3938259AProcess for continuous drying of chemical products by milling-fluidisationRICHTER GEDEON VEGYESZET·Filed 1974·Granted Feb 17, 1976·15 cites·6 claims
- 0658US4243660AComposite insect attractant for male cabbage moths and a process for preparing its active agentsEGYT GYOGYSZERVEGYESZETI GYAR·Filed 1979·Granted Jan 6, 1981·5 cites·5 claims
- 0752US4780537APyrimidine derivatives and process preparing the sameRICHTER GEDEON VEGYESZET·Filed 1987·Granted Oct 25, 1988·4 cites·9 claims
- 0852US4697017AProcess for the preparation of 2-bromo-α-ergocryptineRICHTER GEDEON VEGYESZET·Filed 1986·Granted Sep 29, 1987·6 cites·2 claims
- 0949US4831194AProcess for the preparation of nitrodiaryl sulfoxidesRICHTER GEDEON VEGYESZET·Filed 1987·Granted May 16, 1989·4 cites·8 claims
- 1045US5218119AProcess for preparing the octahydro-indolo[2,3-a] quinolizine diester derivativesRICHTER GEDEON VEGYESZET·Filed 1992·Granted Jun 8, 1993·3 cites·6 claims
- 1142US4985463AAminodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing themRICHTER GEDEON VEGYESZET·Filed 1985·Granted Jan 15, 1991·3 cites·2 claims
- 1241US5312622AAcaricidal compositions and process for preparing sameRICHTER GEDEON VEGYESZET·Filed 1990·Granted May 17, 1994·5 cites·9 claims
- 1339US4710323ANitrodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing them as active ingredientRICHTER GEDEON VEGYESZET·Filed 1986·Granted Dec 1, 1987·2 cites·1 claims
- 1438US6458774B1Compositions containing hyaluronic acid associates and a process for preparing sameRICHTER GEDEON VEGYESZET·Filed 1994·Granted Oct 1, 2002·9 cites·8 claims
- 1534US4839362AEburnamenine derivatives, pharmaceutical compositions and methods employing them and processes for their preparationRICHTER GEDEON VEGYESZET·Filed 1986·Granted Jun 13, 1989·1 cites·8 claims
- 1633US4859682A2-Halogenated-8- and 1,8-substituted ergolenesRICHTER GEDEON VEGYESZET·Filed 1987·Granted Aug 22, 1989·1 cites·6 claims
- 1732US5472950ACompositions containing cobalt hyaluronic acid complexRICHTER GEDEON VEGYESZET·Filed 1992·Granted Dec 5, 1995·6 cites·3 claims
- 1830US4735946AEburnane derivatives, process for their preparation and pharmaceutical compositions containing themRICHTER GEDEON VEGYESZET·Filed 1985·Granted Apr 5, 1988·0 cites·16 claims
- 1929US4960888APreparation of 6-amino-1,2-dihydro-1-hydroxy-2-imino-4-piperidinopyrimidine compoundsRICHTER GEDEON VEGYESZET·Filed 1989·Granted Oct 2, 1990·0 cites·7 claims
- 2027US5137605AProcess for dehydration of condensation reaction mixtures obtained by azeotropic distillationRICHTER GEDEON VEGYESZET·Filed 1990·Granted Aug 11, 1992·5 cites·3 claims
- 2126US4758666AProcess for the preparation of an apovincaminol derivativeRICHTER GEDEON VEGYESZET·Filed 1986·Granted Jul 19, 1988·0 cites·4 claims
- 2225US4956007ANitraminodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing themRICHTER GEDEON VEGYESZET·Filed 1985·Granted Sep 11, 1990·0 cites·8 claims
- 2319US4810709ANintrovincaminic acid derivatives having pharmaceutical utilityRICHTER GEDEON VEGYESZEFI GYAR·Filed 1987·Granted Mar 7, 1989·0 cites·8 claims
- 2418US4657859AProcess for the treatment of fermentation broth containing vitamin B12 and other corrinoids and for the preparation of vitamin B12 concentratesKELEMEN AGNES·Filed 1984·Granted Apr 14, 1987·1 cites·10 claims
- 2517US5122607ARacemic and optically active octahydro-indolo(2,3-a) tetrahydropyranyl (2,3-c) quinolizine diester derivatives and process for preparing the sameRICHTER GEDEON VEGYESCZETI GYA·Filed 1990·Granted Jun 16, 1992·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →