Patents by Inventor Sandor Elek
Sandor Elek has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5047396Abstract: The present invention relates to an intravenous pharmaceutical composition comprising cyclosporin as active ingredient. The composition is composed ofa) 1 part by mass of one or more cyclosporins,b) 8 to 13 parts by mass of a monoester of a saturated hydroxylated fatty acid formed with polyethylene glycol or the mixture of said monoesters,c) 4 to 10 parts by mass of one or more intravenously administerable mono- or polivalent alcohols.The invention further relates to a process for preparing such composition.Type: GrantFiled: July 21, 1989Date of Patent: September 10, 1991Assignee: Biogal GyogyszergyarInventors: Erno Orban, Tibor Balogh, Lajos Ila, Gabor Ambrus, Antonia Jekkel, Sandor Elek, Eva Tomori, Istvan Elekes, Eva T. Sarudy, Imre Moravcsik, Lajos Siklosi
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Patent number: 4922021Abstract: The invention is directed to 1-(2,6-Dimethyl-Phenyl-amino)-2-Dimethyl-amino-Propane and the pharmaceutical composition thereof useful for the treatment of cardiac rhythm disorders.Type: GrantFiled: September 14, 1988Date of Patent: May 1, 1990Assignee: BASF AktiensellschaftInventors: Zoltan Zubovics, Lajos Toldy, Gyorgy Rabloczky, Andras Varro, Ferene Andrasi, Sandor Elek, Istvan Elekes
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Patent number: 4785104Abstract: This invention relates to new 3-(hydroxymethyl)-isoquinoline derivatives of the general formula (I), their acid addition salts, and to a process for the preparation thereof, furthermore to pharmaceutical compositions containing the same, ##STR1## wherein R and R.sup.1 are identical or different and stand for a hydrogen or halogen atom, a nitro or a C.sub.1-4 alkoxy group,R.sup.2 stands for a hydrogen atom or a C.sub.1-4 alkyl group,R.sup.3 and R.sup.4 are identical or different and stand for a hydrogen atom or a C.sub.1-4 alkyl group, or R.sup.3 and R.sup.4 combined denote a methylene group,with the proviso that when R stands for 3-methoxy, R.sup.1 for 4-methoxy, R.sup.3 and R.sup.4 are identical and represent methyl or ethyl groups, R.sup.2 is other than hydrogen atom.Type: GrantFiled: May 20, 1987Date of Patent: November 15, 1988Assignee: EGIS GyogyszergyarInventors: Gyorgy Rabloczky, Jeno Korosi, Tibor Lang, Istvan Ling, Tamas Hamori, Maria Kuhar nee Kurthy, Istvan Elekes, Peter Botka, Andras Varro, Sandor Elek, Judit Sarossy nee Kincsessy, Gabor Zolyomi, Zsuzsanna Lang nee Rihmer, Imre Moravcsik
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Patent number: 4626533Abstract: The invention relates to novel compounds of the formula: ##STR1## where R=4-chlorophenylmethyl or 2,6-dichlorophenylmethyl or an alkalimetal salt thereof.The compounds have utility as antibiotics.Type: GrantFiled: December 7, 1984Date of Patent: December 2, 1986Assignee: Biogal GyogyszergyarInventors: Sandor Elek, Ildiko Mihok nee Borbely, Miklos Mihok
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Patent number: 4310549Abstract: 1-tert.-butylamino-3-(2,5-dichlorophenoxy)-2-propanol and its pharmaceutically acceptable acid addition salts possess hypotensive and bradycardizing effects. Thus they can be applied in human therapy for the treatment of hypertension and simultaneously also of tachycardia.Type: GrantFiled: September 4, 1979Date of Patent: January 12, 1982Inventors: Andor Hajos, Marton Fekete, Marianna Kurti, Tibor Lang, Lajos Toldy, Janos Borvendeg, Laszlo Nagy, Sandor Elek, Istvan Elekes, Istvan Polgari
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Patent number: 4308386Abstract: Pyridazinylhydrazones capable of lowering blood pressure have the formula ##STR1## wherein R.sup.1 is hydrogen, chlorine, alkyl having from 1 to 4 carbon atoms, methoxy, hydroxyl, carbamoyl or cyano;R.sup.2 is chloro; andK is a group having the formula ##STR2## wherein one of R.sup.3, R.sup.4, R.sup.5 or R.sup.6 is carboxyl or alkoxycarbonyl.Type: GrantFiled: October 31, 1979Date of Patent: December 29, 1981Assignee: Richt er Gedeon Vegyeszeti Gyar Rt.Inventors: Szilagyi Geza, Endre Kasztreiner, Judit Kosary, Peter Matyus, Zsuzsa Huszti, Gyorgy Cseh, Agnes Kenessey, Laszlo Tardos, Edit Kosa, Laszlo Jaszlits, Sandor Elek, Istvan Elekes, Istvan Polgari
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Patent number: 4308278Abstract: 4-[(3,4-Dialkoxyphenyl)alkyl]-2-imidazolidinone derivatives having the formula I ##STR1## wherein R.sup.1 stands for a cycloalkyl group containing from 3 to 6 carbon atoms or benzyl group;R.sup.2 stands for hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms;R.sup.3 stands for hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms;R.sup.4 stands for hydrogen atom, or an alkyl group containing from 1 to 4 carbon atoms or an alkoxycarbonyl group containing from 1 to 4 carbon atoms; andR.sup.5 stands for hydrogen atom or an alkoxycarbonyl group containing from 1 to 4 carbon atoms,are prepared by(a) reducing a hydantoin derivative having the general formula II, wherein R.sup.1 and R.sup.2 are as defined above, with lithium aluminum hydride in a neutral organic solvent, or(b) hydrogenating catalytically an 1,3-dihydro-2H-imidazol-2-one derivative having the general formula III, wherein R.sup.1 and R.sup.3 are as defined above, while the meaning of R.sup.Type: GrantFiled: November 1, 1979Date of Patent: December 29, 1981Assignee: Gyogyszerkutato IntezetInventors: Geza Schneider, Ferenc Andrasi, Pal Berzsenyi, Arpad Lazar, Sandor Elek, Istvan Elekes, Istvan Polgari
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Patent number: 4259328Abstract: Pyridazinylhydrazones capable of lowering blood pressure having the formula ##STR1## wherein R.sup.1 is hydrogen, chlorine, alkyl having from 1 to 4 carbon atoms, methoxy, hydroxyl, carbamoyl or cyano;R.sup.2 is morpholino; andK is a group having the formula ##STR2## wherein one of R.sup.3, R.sup.4, R.sup.5 or R.sup.6 is carboxyl or alkoxycarbonyl.Type: GrantFiled: June 12, 1978Date of Patent: March 31, 1981Assignee: Richter Gedeon Vegyeszeti Gyar RtInventors: Geza Szilagyi, Endre Kasztreiner, Judit Kosary, Peter Matyus, Zsuzsa Huszti, Gyorgy Cseh, Agnes Kenessey, Laszlo Tardos, Edit Kosa, Laszlo Jaszlits, Sandor Elek, Istvan Elekes, Istvan Polgari
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Patent number: 4251658Abstract: 3-(1-Pyrazolyl)-pyridazine derivatives of the formula I, or pharmaceutically acceptable acid addition salts thereof, which decrease high blood pressure and inhibit catabolism or prostaglandins, ##STR1## wherein R.sup.1 is hydrogen or C.sub.1-4 alkyl,R.sup.2 is hydrogen, cyano, carboxyl, carbamoyl, carbaxoyl or C.sub.1-4 alkoxycarbonyl,R.sup.3 is hydrogen or chlorine or --NR.sup.4 NHR.sup.5 or NR.sup.6 R.sup.7, wherein R.sup.4 and R.sup.5 are each hydrogen or C.sub.1-4 alkyl, wherein R.sup.6 and R.sup.7 are each hydrogen or C.sub.1-5 alkyl, C.sub.1-5 hydroxyalkyl, C.sub.3-7 cycloalkyl, phenyl or benzyl, or benzyl or phenylethyl substituted with one or two chlorine atoms or methoxy groups, or a furylmethyl, pyridylmethyl, pyrrolidine or piperazine ring, or when R.sup.7 is hydrogen, R.sup.6 is --(CH.sub.2).sub.n --NR.sup.4 R.sup.5 wherein n is an integer from 1 to 3.Type: GrantFiled: June 9, 1978Date of Patent: February 17, 1981Assignee: Richter Gedeon Vegyeszeti Gyar Rt.Inventors: Geza Szilagyi, Endre Kasztreiner, Laszlo Tardos, Edit Kosa, Laszlo Jaszlits, Gyorgy Cseh, Andras Divald, Pal Tolnay, Sandor Elek, Istvan Elekes, Istvan Polgari
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Patent number: 4224325Abstract: The invention relates to compounds of general formula ##STR1## wherein R.sup.1 stands for a hydrogen atom or a C.sub.1-6 alkyl-, a C.sub.2-4 hydroxyalkyl, a C.sub.3-6 cycloalkyl or a phenyl group,R.sup.2 stands for a hydrogen, fluorine, chlorine or bromine atom or a C.sub.1-6 alkyl, a C.sub.2-4 hydroxyalkyl, a nitro or an --NR.sup.5 R.sup.6 group, wherein R.sup.5 and R.sup.6 may have the same or different meaning and stand each for a hydrogen atom or a C.sub.1-4 alkyl or a C.sub.2-4 hydroxyalkyl group,R.sup.3 stands for a hydrogen atom or a C.sub.1-6 alkyl, a C.sub.2-4 hydroxyalkyl, a C.sub.3-6 cycloalkyl or a phenyl group, a chlorine atom or a hydroxyl, amino or methoxy group,R.sup.4 stands for a carbamoyl, a cyano or an --NR.sup.7 --NHR.sup.8 group, wherein R.sup.7 and R.sup.8 may have the same or different meaning and stand each for a hydrogen atom or a C.sub.1-4 alkyl, a C.sub.2-4 hydroxyalkyl, a C.sub.1-4 alkoxycarbonyl or an --NR.sup.9 R.sup.10 group, wherein R.sup.9 and R.sup.Type: GrantFiled: July 11, 1978Date of Patent: September 23, 1980Assignee: Richter Gedeon Vegyeszeti Gyar Rt.Inventors: Geza Szilagyi, Endre Kasztreiner, Laszlo Tardos, Edit Kosa, Laszlo Jaszlits, Gyorgy Cseh, Ilona Kovacs, nee Szabo, Pal Tolnay, Sandor Elek, Istvan Elekes, Istvan Polgari
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Patent number: 4167636Abstract: Azidoethylmorphine, a new 7,8-dihydroisomorphine derivative, has excellent antitussive effects without respiration depression.Type: GrantFiled: March 29, 1978Date of Patent: September 11, 1979Assignee: Chinoin Gyogyszer es VegyeszetiInventors: Rezso Bognar, Sandor Makleit, Geza Kiss, Sandor Berenyi, Terez Mile, Jozsef Knoll, Sandor Elek, Istvan Gyoker, Attila Zoltai, Gyorgy Toth, Laszlo Litkei
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Patent number: 4144236Abstract: A process for the preparation of pharmaceutically acceptable 3-protected derivatives of 6-deoxy-6-azido-14-hydroxy-7, 8-dihydroisomorphine, selected from the group which consists of 3-O-acetyl-6-deoxy-6-azido-14-hydroxy-7, 8-dihydroisomorphine, 3-O-tetrahydropyranyl-6-deoxy-6-azido-14-hydroxy-7, 8-dihydroisomorphine and 3-O-methylenemethoxy-6-deoxy-6-azido-14-hydroxy-7, 8-dihydroisomorphine, and the salts of these compounds which comprise the following steps:Blockin the hydroxy in position 3 of 14-hydroxy-7, 8-dihydromorphine with a moiety selected from the group which consists of acetyl, tetrahydropyranyl, and methylenemethoxy; andAzidiylating position 6 of the compounds formed in a step (a) thereby removing the hydroxy formerly in that position.Type: GrantFiled: May 10, 1977Date of Patent: March 13, 1979Assignee: Alkaloida Vegyeszeti Gyar TiszavasvariInventors: Reszo Bognar, Sandor Makleit, Geza Kiss, Sandor Berenyi, Terez Mile, Jozsef Knoll, Sandor Elek, Istvan Gyoker, Attila Zoltai, Gyorgy Toth, Laszlo Litkei
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Patent number: 4119633Abstract: 2-phenoxy-, 2-phenylthio-, and 2-phenylamino-alkyl-2-oxazolines suitable for pharmaceutical use as hypolipemic and hypocholestric agents are disclosed.Type: GrantFiled: August 17, 1976Date of Patent: October 10, 1978Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara RT.Inventors: Istvan Tibor Toth, Pal Bite, Gyorgy Magyar, Eszter Diszler, Jozsef Borsy, Andrea Maderspach, Istvan Polgari, Sandor Elek, Istvan Elekes
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Patent number: 4101552Abstract: 9,10-Dihydrolysergic acid-(3'-/pyrrolid-2"-on-1'-yl/-propyl)-amide, 1-methyl-9,10-dihydrolysergic acid-(thiazoline-2'-yl)-amide and lysergic acid-(3'-allyloxy-2'-oxy-propyl)-amide and their pharmaceutically acceptable acid addition salts possess antihypertensive and antiserotonin effect and exert an action on the central nervous system.Type: GrantFiled: April 23, 1976Date of Patent: July 18, 1978Assignee: Richter Gedeon Vegyeszeti Gyar Rt.Inventors: Erzsebet Mago nee Karacsony, Jozsef Borsi, Laszlo Tardos, Ildiko Kiraly, Sandor Elek, Istvan Elekes
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Patent number: 3979405Abstract: This invention relates to compounds of the formula ##SPC1##WhereinR.sup.1 is hydrogen or an alkyl group having 1-4 carbon atoms;R.sup.2 but R.sup.3 are hydrogen and if both R.sup.4 and R.sup.5 are hydrogen, R.sup.2 and R.sup.3 are alkyl groups having 1-4 carbon atoms or hydroxymethyl groups;R.sup.4 and R.sup.5 are hydrogen but where both R.sup.2 and R.sup.3 are hydrogen, R.sup.4 but R.sup.5 stand for alkyl groups having 1-4 carbon atoms, are amino groups, which may be mono or di-substituted by alkyl groups having 1-4 carbon atoms, or are allyloxymethyl groups;X is an oxygen or sulphur atom or an NH group;Y stands for a halogen atom or a halogeno-substituted phenyl group. The disclosure also concerns a process for the preparation of such compounds.Type: GrantFiled: October 16, 1973Date of Patent: September 7, 1976Assignee: Gyogyszer- es Vegyeszeti Termekek Gyara RT.Inventors: Istvan Tibor Toth, Pal Bite, Gyorgy Magyar, Eszter Diszler, Jozsef Borsy, Andrea Maderspach, Istvan Polgari, Sandor Elek, Istvan Elekes