Inventor · disambiguated record
Istvan Hermecz
Also filed as: BERNATH GABOR · HERMECZ ISTVAN · KNOLL JOZSEF
54 granted patents·5 pending applications·281 citations·filing 1973–2006
98Inventor score
Top patents by PatentIndex Score
59 records- 0184US4209622A3-(Ethoxycarbonyl-methyl)-6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidineCHINOIN GYOGYSZER ES VEGYESZET·Filed 1975·Granted Jun 24, 1980·12 cites·1 claims
- 0282US5252572APyridopyrimidine derivatives, pharmaceutical compositions containing them and process for preparing sameCHINOIN GYOGYSZER ES VEGYESZET·Filed 1992·Granted Oct 12, 1993·23 cites·7 claims
- 0380US4291036APyrido[1,2-A]pyrimidine derivatives and method of analgesic treatmentCHINOIN GYOGYSZER ES VEGYESZET·Filed 1980·Granted Sep 22, 1981·17 cites·4 claims
- 0479US4472398ACondensed pyrimidinesCHINOIN GYOGYSZER ES VEGYESZET·Filed 1979·Granted Sep 18, 1984·13 cites·3 claims
- 0579US4461769ANitrogen bridgehead compounds having anti-allergic effectCHINOIN GYOGYSZER ES VEGYESZET·Filed 1979·Granted Jul 24, 1984·14 cites·23 claims
- 0677US4234586ANitrogen bridgehead compounds having anti-allergic effectCHINOIN GYOGYSZER ES VEGYESZET·Filed 1978·Granted Nov 18, 1980·13 cites·20 claims
- 0777US4219649APyrido[1,2-a]pyrimidine derivativesCHINOIN GYOGYSZER ES VEGYESZET·Filed 1978·Granted Aug 26, 1980·12 cites·6 claims
- 0874US5589513APharmaceutical composition and process for the preparation thereofCHINOIN GYOGYSZER ES VEGYESZET·Filed 1992·Granted Dec 31, 1996·37 cites·3 claims
- 0970US4123533AFused pyrimidine derivatives and compositions for treating atherosclerosis containing themCHINOIN GYOGYSZER ES VEGYESZET·Filed 1977·Granted Oct 31, 1978·8 cites·27 claims
- 1066US6573386B1Process for the preparation of spiro[(4-cyclohexanone)-[3H]indol]-2′[1′H]-one derivativesSANOFI SYNTHELABO·Filed 2000·Granted Jun 3, 2003·4 cites·7 claims
- 1162US6548702B1Method for the preparation of 2-methoxy-4-(N-t-butylamino-carbonyl)-benzenesulfonyl chlorideSANOFI SYNTHELABO·Filed 2000·Granted Apr 15, 2003·4 cites·19 claims
- 1261US4495189ACondensed pyrimidinesCHINOIN GYOGYSZER ES VEGYESZET·Filed 1982·Granted Jan 22, 1985·4 cites·2 claims
- 1360US4220771A2,3-Polymethylene-4-oxo-4H-pyrido[1,2-a]pyrimidinesCHINOIN GYOGYSZER ES VEGYESZET·Filed 1978·Granted Sep 2, 1980·6 cites·9 claims
- 1459US6600039B1Process for the preparation of n-(1,1-dimethylethyl)-4-[[5′-ethoxy-4-cis[2-(4-morpholino)ethoxy]-2′-oxospiro[cyclohexan-1,3′[h]indol]1′(2′-h)-yl]-sulfonyl]-3-methoxybenzamide and its saltsSANOFI SYNTHELABO·Filed 2000·Granted Jul 29, 2003·2 cites·2 claims
- 1559US5403840AInclusion complexes of N-ethoxycarbonyl 1-3-morpholino-sydnonimine or salts formed with cyclodextrin-derivatives, preparation thereof and pharmaceutical compositions containing the sameCHINOIN GYOGYSZER ES VEGYESZET·Filed 1991·Granted Apr 4, 1995·7 cites·8 claims
- 1658US6482959B1Process for the stereoselective reduction of α,β-unsaturated ketonesCHINOIN GYOGYSZER ES VEGYESZET·Filed 1996·Granted Nov 19, 2002·13 cites·18 claims
- 1758US5466833AProcess for the preparation of 13,14-dihydro-15(R)-17-phenyl-18,19,20-trinor-PGF2α isopropyl esterKABI PHARMACIA AB·Filed 1994·Granted Nov 14, 1995·9 cites·8 claims
- 1858US4940794AQuinoline carboxylic acid boric acid anhydridesCHINOIN GYOGYSZER ES VEGYESZET·Filed 1988·Granted Jul 10, 1990·9 cites·2 claims
- 1957US4806645ABoric anhydrides of 6-fluoro-7-chloro-1-methylamino-4-oxo-1,4-dihydro-quinoline-3-carboxylic acidCHINOIN GYOGYSZER ES VEGYESZET·Filed 1986·Granted Feb 21, 1989·5 cites·6 claims
- 2055US4252807AFused pyrimidine derivatives and antiatherosclerotic methods of treatment with themCHINOIN GYOGYSZER ES VEGYESZET·Filed 1978·Granted Feb 24, 1981·4 cites·18 claims
- 2154US6521764B1Process for the preparation of fumagillinSANOFI SYNTHELABO·Filed 2000·Granted Feb 18, 2003·2 cites·15 claims
- 2254US4367229A3-Substituted-tetrahydro-pyrrolo[1,2-a]pyrimidines and pharmaceutical compositionsCHINOIN GYOGYSZER ES VEGYESZET·Filed 1980·Granted Jan 4, 1983·6 cites·2 claims
- 2353US4803274ANorfloxacin intermediateCHINOIN GYOGYSZER ES VEGYESZET·Filed 1986·Granted Feb 7, 1989·4 cites·2 claims
- 2452US6191161B1Prolylendopeptidase inhibitorsCHINOIN GYOGYSZER ES VEGYESZET·Filed 1996·Granted Feb 20, 2001·14 cites·9 claims
- 2550US4588526ABronchodilatory azepino(1,2-A)pyrimidine derivatives and acid addition salts thereof and bronchodilating pharmaceutical compositions containing sameCHINOIN GYOGYSZER ES VEGYESZET·Filed 1983·Granted May 13, 1986·2 cites·7 claims
- 2649US4670440AMedicinal norfloxacin saltsCHINOIN GYOGYSZER ES VEGYESZET·Filed 1986·Granted Jun 2, 1987·3 cites·5 claims
- 2746US6884895B2Process for the preparation of spiro[(4-cyclohexanone)-[3]indol]-2′[1′H]-one derivativesSANOFI AVENTIS·Filed 2003·Granted Apr 26, 2005·0 cites·4 claims
- 2846US5091530ABaron chelates of quinoline carboxylic acidsCHINOIN GYOGYSZER ES VEGYESZET·Filed 1988·Granted Feb 25, 1992·2 cites·3 claims
- 2945US4395549A6-Hydrazono-pyrido[2,1-b] quinazoline-11 onesCHINOIN GYOGYSZER ES VEGYESZET·Filed 1981·Granted Jul 26, 1983·2 cites·9 claims
- 3045US4260612AAntiallergic nitrogen bridge-head compoundsCHINOIN GYOGYSZER ES VEGYESZET·Filed 1978·Granted Apr 7, 1981·3 cites·8 claims
- 3144US4981966AProcess for the preparation of quinoline carboxylic acidsCHINOIN GYOGYSZER ES VEGYESZET·Filed 1989·Granted Jan 1, 1991·3 cites·4 claims
- 3243US4871849A1-Methylamino-quinoline-carboxylic acid derivativesCHINOIN GYOGYSZER ES VEGYESZET·Filed 1986·Granted Oct 3, 1989·2 cites·5 claims
- 3343US2007249669A1Crystalline 2-amino-3-cyanoquinoline derivatives, process of their preparation and pharmaceutical compositions containing themSANOFI AVENTIS·Filed 2006·Application pending·0 cites
- 3439US5387588APyridopyrimidine derivatives, pharmaceutical compositions containing them and process for preparing sameCHINOIN GYOGYSZER ES VEGYESZET·Filed 1993·Granted Feb 7, 1995·1 cites·6 claims
- 3539US5300644AProcess for the preparation of quinoline carboxylic acidsCHINOIN GYOGYSZER ES VEGYESZET·Filed 1991·Granted Apr 5, 1994·1 cites·9 claims
- 3639US4452982AProcess for the preparation of nitrogen-bridgehead condensed pyrimidine compounds, and pharmaceutical compositions containing themCHINOIN GYOGYSZER ES VEGYESZET·Filed 1980·Granted Jun 5, 1984·2 cites·8 claims
- 3738US7619082B2Process for the preparation of 3-spiro′cyclohexan-1,3′-′3H!indolin-2′-one! derivativesSANOFI AVENTIS·Filed 2002·Granted Nov 17, 2009·0 cites·18 claims
- 3838US5294712AProcess for the preparation of quinoline carboxylic acidsCHINOIN GYOGYSZER ES VEGYESZET·Filed 1990·Granted Mar 15, 1994·2 cites·5 claims
- 3938US5158951APyridopyrimidine derivatives useful in treatment of ulcersCHINOIN GYOGYSZER ES VEGYESZET·Filed 1989·Granted Oct 27, 1992·2 cites·7 claims
- 4037US4472399AIndolo[2',3';3,4]pyrido[2,1-b]quinazoline-5-ones, a process for the preparation thereof, and diuretic compositions and methods using themCHINOIN GYOGYSZER ES VEGYESZET·Filed 1981·Granted Sep 18, 1984·1 cites·28 claims
- 4137US3954986APharmaceutical composition having synergistic analgesic activityCHINOIN GYOGYSZER ES VEGYESZET·Filed 1973·Granted May 4, 1976·3 cites·1 claims
- 4235US6541643B1Process for the preparation of spiro[cis-4-(β-hydroxyethyloxy)cyclohexane-[3h]indol]-2′[1′H]one derivativesSANOFI SYNTHELABO·Filed 2000·Granted Apr 1, 2003·0 cites·7 claims
- 4335US4814336AMethod of treating a vascular obstructive lesion resulting from restricted blood circulationCHINOIN GYOGYSZER ES VEGYESZET·Filed 1986·Granted Mar 21, 1989·6 cites·1 claims
- 4434US4404205A2-Oxo-2,6,7,8,9,10 hexahydro-pyrimido[1,2-a]azepines and antianginal method of use thereof and of 4-oxo-4,6,7,8,9,10-hexahydropyrimido[1,2-a]azepinesCHINOIN GYOGYSZER ES VEGYESZET·Filed 1980·Granted Sep 13, 1983·1 cites·5 claims
- 4534US4089858AHeterocyclic-amino-acrylic acid derivativesCHINOIN GYOGYSZER ES VEGYESZET·Filed 1975·Granted May 16, 1978·1 cites·2 claims
- 4633US2003114449A1Saccharin derivatives as orally active elastase inhibitorsFiled 2000·Application pending·0 cites
- 4732US4482557A3-Substituted-2-oxo-tetrahydro-pyrrol[1,2-a]pyrimidines having digitalis-like activityCHINOIN GYOGYSZER ES VEGYESZET·Filed 1982·Granted Nov 13, 1984·0 cites·4 claims
- 4831US5380845AProcess for the preparation of quinoline carboxylic acid derivativesCHINOIN GYOGYSZER ES VEGYESZET·Filed 1993·Granted Jan 10, 1995·0 cites·9 claims
- 4931US4321377ASubstituted-4-oxo-1,6,7,8-tetrahydro-4H-pyrido[1,2-a]pyrimidinesCHINOIN GYOGYSZER ES VEGYESZET·Filed 1979·Granted Mar 23, 1982·0 cites·4 claims
- 5031US2004039203A1Process for the preparation of 1,5-disubstituted-3-amino-1,2,4,-triazoles and substituted aminoguanidines as intermediate compoundsFiled 2001·Application pending·0 cites
Showing the top 50 of 59 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Istvan Hermecz files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →