Patents by Inventor Pal Berzsenyi

Pal Berzsenyi 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).

  • Publication number: 20080269202
    Abstract: Disclosed are novel 2,3-benzodiazepine derivatives and methods of making the same.
    Type: Application
    Filed: April 2, 2008
    Publication date: October 30, 2008
    Applicant: Teva Pharmaceutical Industries Ltd.
    Inventors: Emese Csuzdi, Sandor Solyom, Pal Berzsenyi, Ferenc Andrasi, Istvan Sziraki, Katalin Horvath, Zoltan Nagy
  • Patent number: 6858605
    Abstract: The invention relates to new 2,3-benzodiazepine derivatives of formula (I), isomers and acid addition salts thereof and to pharmaceutical compositions containing the same, as well as to pharmaceutical compositions and methods of using the same suitable for treating conditions associated with muscle spasms, epilepsy, acute and chronic forms of neurodegenerative diseases as well as preventing, treating or alleviating the symptoms of acute and chronic inflammatory disorders.
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: February 22, 2005
    Assignee: IVAX Drug Research Institute, Ltd.
    Inventors: Sándor Sólyom, Gizella Ábrahám, Tamás Hámori, Pál Berzsenyi, Ferenc Andrási, István Kurucz
  • Publication number: 20040152693
    Abstract: The invention relates to new 2,3-benzodiazepine derivatives of formula (I), isomers and acid addition salts thereof and to pharmaceutical compositions containing the same, as well as to pharmaceutical compositions and methods of using the same suitable for treating conditions associated with muscle spasms, epilepsy, acute and chronic forms of neurodegenerative diseases as well as preventing, treating or alleviating the symptoms of acute and chronic inflammatory disorders.
    Type: Application
    Filed: February 4, 2003
    Publication date: August 5, 2004
    Inventors: Sandor Solyom, Gizella Abraham, Tamas Hamori, Pal Berzsenyi, Ferenc Andrasi, Istvan Kurucz
  • Patent number: 6602865
    Abstract: Pyridazino(4,5-b)(1,5)oxazepinone, thiazepinone and diazepinone compounds of formula(I) and their tautomers and the acid-addition salts of all these compounds show memory-enhancing and neuroprotective properties.
    Type: Grant
    Filed: November 15, 1999
    Date of Patent: August 5, 2003
    Assignee: IVAX Drug Research Institute, Ltd.
    Inventors: Ferenc Andrasi, Agnes Angyal nee Pataky, Pal Berzsenyi, Sandor Boros, Laszlo Harsing, Katalin Horvath, Peter Matyus, Imre Moravcsik, Agnes Papp nee Behr, Antal Simay, Erzsebet Szabo nee Bagdy, Katalin Szabo nee Pusztai, Istvan Tarnawa, Ildiko Varga
  • Patent number: 6600036
    Abstract: Compounds of formula I are described, their production and use in pharmaceutical agents.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: July 29, 2003
    Assignee: Schering Aktiengesellschaft
    Inventors: Ernese Csuzdi, Tamas Hamori, Gizella Abraham, Sandor Solyom, Istvan Tarnawa, Pal Berzsenyi, Ferenc Andrasi, Istvan Ling, Antal Simay, Melinda Gal, Katalin Horvath, Eszter Szentkuti, Marta Szollosy, Istvan Pallagi
  • Patent number: 6482819
    Abstract: 2,3-Benzodiazepines of formula (I), their stereoisomers and acid addition salts, wherein the variables have the meaning given in the specification, and pharmaceutical compositions containing them which are suitable for treating conditions associated with muscle spasms, epilepsy as well as acute and chronic forms of neurodegenerative diseases are disclosed.
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: November 19, 2002
    Assignee: Gyogyszerkutato Intezet Kft.
    Inventors: Gizella Ábrahám, Emese Csuzdi, Sándor Sólyom, Pál Berzsenyi, István Tarnawa, Ferenc Andrási, István Ling, Tamás Hámori, Katalin Horváth, Imre Moravcsik, István Pallagi, Antal Simay
  • Patent number: 6323197
    Abstract: The invention concerns compounds of formula (I), in which R1, R2, R3 and R4 mean hydrogen or different substituents; X means hydrogen or halogen; Y means C1-6 alkoxy or X and Y together mean —O—(CH2)n—O—; n means 1, 2 or 3; and A together with nitrogen forms a saturated or unsaturated five-member heterocycle which can contain between 1 and 3 nitrogen atoms and/or an oxygen atom and/or one or two carbonyl groups. Owing to their non-competitive inhibiting of the AMPA receptors, these compounds can be used as medicaments for treating diseases of the central nervous system.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: November 27, 2001
    Assignee: Schering Aktiengesellschaft
    Inventors: Ernese Csuzdi, Tamas Hámori, Gizella Ábrahám, Sändor Sólyom, István Tarnawa, Pál Berzsenyi, Ferenc Andrási, István Ling, Antal Simay, Melinda Gál, Katalin Horváth, Eszter Szentkuti, Márta Szöllosy, István Pallagi
  • Patent number: 6265445
    Abstract: The present invention relates to novel, antiarrhythmically active phenoxyalkylamine derivatives possessing a double point of attack. More particularly, the present invention relates to new phenoxyalkylamine derivatives of the formula (1) wherein R1 and R2, independently from each other, mean hydrogen, halogen or C1-4 alkyl group; R3, R4 and R5, independently from each other, stand for hydrogen or C1-4 alkyl group; R6 represents hydrogen, C1-4 alkyl or benzyl group; R7 means nitro group or amino group optionally monosubstituted by C1-4 alkyl, benzoyl, C1-4 alkylcarbonyl, C1-4 alkylsulfonyl, C1-4 alkylcarbamoyl or C1-4 alkylthiocarbamoyl group; both n and m are 0 or 1, with the proviso that R2 is different from hydrogen, when R1 is hydrogen, as well as stereoisomers or mixtures of stereoisomers thereof, acid addition salts thereof and hydrates, prodrugs and metabolites of all these compounds.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: July 24, 2001
    Assignees: Gyogyszerkutato Intezet Kft, Szent-Gyorgyi Albert Orvostudomanyi Egyetem
    Inventors: Gyula Papp, András Varró, Péter Mátyus, Ildikó Varga, Tivadar Rettegi, Alice Druga, Antal Simay, Imre Moravcsik, Pál Berzsenyi, Daniella Barlocco, Giorgio Cignarella, Márta Pátfalusi
  • Patent number: 6200970
    Abstract: A compound of formula I in which X means hydrogen or halogen, Y means —NR3— or —N═, R1 and R2 are the same or different and mean hydrogen, C1-C6 alkyl, nitro, halogen, the group —NR8R9, —O—C1-4 alkyl, —CF3, OH or C1-6 alkanoyloxy, R3 means hydrogen, the group —CO—R10, C1-6 alkyl or C3-7 cycloalkyl, R4 means optionally substituted C1-C6 alkyl, R5 means hydrogen or R4 and R5 together mean oxygen, R6 means C1-4 alkyl, R8 and R9 are the same or different and mean hydrogen, C1-C6 alkyl or —CO—C1-6 alkyl, R10 means hydrogen, optionally substituted C1-C6 alkyl, optionally substituted C6-10 aryl, the group —NR11R12, —O—C1-6 alkyl, C3-7 cycloalkyl, C2-6 alkenyl or —O—C3-7 cycloalkyl, R11 and R12 are the same or different and mean hydrogen, optionally substituted C1-C6 alkyl or optionally substituted C6-10 aryl and —C...C...
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: March 13, 2001
    Assignee: Schering Aktiengesellschaft
    Inventors: István Ling, Gizella Ábrahám, Sándor Sólyom, Tamás Hámori, István Tarnawa, Pál Berzsenyi, Ferenc Andrási, Emese Csuzdi, Márta Szöllósy, Antal Simay, István Lagi, Katalin Horváth
  • Patent number: 6075018
    Abstract: The invention relates to new 1-[2-(substituted vinyl)]-3,4-dihydro-5H-2,3-benzodiazepine derivatives, a process for the preparation thereof and pharmaceutical compositions comprising them. The new 1-[2-(substituted vinyl)]-3,4-dihidro-5H-2,3-benzodiazepine derivatives according to the invention correspond to the general formula (I), ##STR1## wherein the variables are hereinbelow defined: The new compounds according to the invention affect the central nervous system and can be used to advantage in the therapy.
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: June 13, 2000
    Assignee: Egis Gyogyszergyar Rt.
    Inventors: Pal Vago, Jozsef Reiter, Istvan Gyertyan, Gabor Gigler, Ferenc Andrasi, Anna Bakonyi, Pal Berzsenyi, Peter Botka, deceased, Erszebet Birkas, Tamas Hamori, Edit Horvath, Katalin Horvath, Jeno Korosi, deceased, Gyorgyne Mate, Imre Moravcsik, Gyorgy Somogyi, Eszter Szentkuti, Gabor Zolyomi
  • Patent number: 5942506
    Abstract: This invention relates to new 1-?2-(substituted vinyl)!-5H-2,3-benzodiazepine derivatives, a process for the preparation thereof, pharmaceutical compositions comprising the same, to the use of the said benzodiazepine derivatives for the treatment of diseases and for the preparation of pharmaceutical compositions suitable for the treatment of diseases. The compounds according to the invention correspond to the general formula (I), ##STR1## wherein the variables are herein below defined, and the compounds possess central nervous activities.
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: August 24, 1999
    Assignee: GIS Gyogyszergyar Rt.
    Inventors: Pal Vago, Jozsef Reiter, Istvan Gyertyan, Istvan Gacsalyi, Andras Bilkei-Gorzo, Andras Egyed, Ferenc Andrasi, Anna Bakonyi, Pal Berzsenyi, Hilda Botka, Tamas Hamori, Cecilia Salamon Haskane, Edit Horvath, Katalin Horvath, Peter Korosi, Gyorgyne Mate, Imre Moravcsik, Eszter Szentkuti, Gabor Zolyomi, Gabor Blasko, Klara Daroczi Kazone, Gyula Simig, Karoly Tihanyi, Judit Bajnogel
  • Patent number: 5807851
    Abstract: Derivatives of 2,3-benzodiazepine are substituted by one or two halogen atom(s) and have the general formula ##STR1## These derivatives are non-competitive AMPA antagonists and are used in pharmaceutical compositions.
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: September 15, 1998
    Assignee: Egis Gyogyszergyar Rt.
    Inventors: Istvan Ling, Gizella Abraham, Pal Berzsenyi, Istvan Tarnawa, Sandor Solyom, Ferenc Andrasi, Tamas Hamori, Emese Csuzdi, Katalin Horvath, Melinda Gal, Imre Moravcsik, Marta Szollosy
  • Patent number: 5756495
    Abstract: New 3-substituted 3H-2,3-benzodiazepine derivatives of general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and n have the meanings indicated in the description, their production as well as their use as pharmaceutical agents are described.
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: May 26, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Tamas Hamori, Istvan Tarnawa, Sandor Solyom, Pal Berzsenyi, Erzsebet Birkas, Ferenc Andrasi, Istvan Ling, Tibor Hasko, Gabor Kapus, Emese Csuzdl, Marta Szollosy, Franciska Erdo, Antal Simay, Gabor Zolyomi
  • Patent number: 5639751
    Abstract: The invention relates to novel N-acyl-2,3-benzodiezapine derivatives of the general formula (I), their stereoisomers and acid-addition salts, pharmaceutical compositions containing them and a process for their preparation. In the general formula (I)R stands for a C.sub.1-6 alkanoyl group optionally substituted by a methoxy, cyano, carboxyl, amino, C.sub.1-4 alkylamino, di(C.sub.1-4 alkyl)amino, pyrrolidino, phthalimido or phenyl group, or by one or more halogen(s); or R is a benzoyl, cyclopropanecarbonyl, C.sub.1-5 alkylcarbamoyl or phenylcarbamoyl group; or R is absent when a double bond exists between the N(3) and C(4) atoms;R.sup.1 means hydrogen; or R.sup.1 is absent when a double bond exists between the N(3) and C(4) atoms;R.sup.2 means a C.sub.1-3 alkyl group; orR.sup.1 and R.sup.2 together stand for a methylene group and no double bond is present between the N(3) and C(4) atoms;R.sup.3 means hydrogen or a C.sub.1-4 alkanoyl group;R.sup.4 represents hydrogen; a C.sub.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: June 17, 1997
    Assignee: Cyogyszerkutato Intezet KFT
    Inventors: Ferenc Andrasi, Pal Berzsenyi, Peter Botka, Sandor Farkas, Katalin Goldschmidt, Tamas Hamori, Jeno Korosi, Imre Moravcsik, Istvan Tarnawa
  • Patent number: 5536832
    Abstract: The invention relates to novel N-acyl-2,3-benzodiezapine derivatives of the general formula (I), their stereoisomers and acid-addition salts, pharmaceutical compositions containing them and a process for their preparation. In the general formula (I)R stands for a C.sub.1-6 alkanoyl group optionally substituted by a methoxy, cyano, carboxyl, amino, C.sub.1-4 alkylamino, di(C.sub.1-4 alkyl)amino, pyrrolidino, phthalimido or phenyl group, or by one or more halogen(s); or R is a benzoyl, cyclopropanecarbonyl, C.sub.1-5 alkylcarbamoyl or phenylcarbamoyl group; or R is absent when a double bond exists between the N(3) and C(4) atoms;R.sup.1 means hydrogen; or R.sup.1 is absent when a double bond exists between the N(3) and C(4) atoms;R.sup.2 means a C.sub.1-3 alkyl group; orR.sup.1 and R.sup.2 together stand for a methylene group and no double bond is present between the N(3) and C(4) atoms;R.sup.3 means hydrogen or a C.sub.1-4 alkanoyl group;R.sup.4 represents hydrogen; a C.sub.
    Type: Grant
    Filed: April 17, 1995
    Date of Patent: July 16, 1996
    Assignee: Gyogyszerkutato Intezet KFT
    Inventors: Ferenc Andrasi, Pal Berzsenyi, Peter Botka, Sandor Farkas, Katalin Goldschmidt, Tamas Hamori, Jeno Korosi, Imre Moravcsik, Istvan Tarnawa
  • Patent number: 5521174
    Abstract: The invention relates to novel N-acyl-2,3-benzodiezapine derivatives and a method of treating spasms of the skeletal musculature therewith.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 28, 1996
    Assignee: Gyogyszerkutato Intezet Kv.
    Inventors: Ferenc Andrasi, Pal Berzsenyi, Peter Botka, Sandor Farkas, Katalin Goldschmidt, Tamas Hamori, Jeno Korosi, Imre Moravcsik, Istvan Tarnawa
  • Patent number: 5519019
    Abstract: The invention relates to novel N-acyl-2,3-benzodiezapine derivatives of the general formula (I), their stereoisomers and acid-addition salts, pharmaceutical compositions containing them and a process for their preparation. In the general formula (I)R stands for a C.sub.1-6 alkanoyl group optionally substituted by a methoxy, cyano, carboxyl, amino, C.sub.1-4 alkylamino, di(C.sub.1-4 alkyl)amino, pyrrolidino, phthalimido or phenyl group, or by one or more halogen(s); or R is a benzoyl, cyclopropanecarbonyl, C.sub.1-5 alkylcarbamoyl or phenylcarbamoyl group; or R is absent when a double bond exists between the N(3) and C(4) atoms;R.sup.1 means hydrogen; or R.sup.1 is absent when a double bond exists between the N(3) and C(4) atoms;R.sup.2 means a C.sub.1-3 alkyl group; orR.sup.1 and R.sup.2 together stand for a methylene group and no double bond is present between the N(3) and C(4) atoms;R.sup.3 means hydrogen or a C.sub.1-4 alkanoyl group;R.sup.4 represents hydrogen; a C.sub.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 21, 1996
    Assignee: Gyogyszerkutato Intezet
    Inventors: Ferenc Andrasi, Pal Berzsenyi, Peter Botka, Sandor Farkas, Katalin Goldschmidt, Tamas Hamori, Jeno Korosi, Imre Moravcsik, Istvan Tarnawa
  • Patent number: 5459137
    Abstract: The invention relates to novel N-acyl-2,3-benzodiezapine derivatives of the general formula (I), their stereoisomers and acid-addition salts, pharmaceutical compositions containing them and a process for their preparation. In the general formula (I), defined in the specification, a more complete description of the compounds may be found.The compounds of the general formula (I) possess valuable central nervous system effects, particularly muscle-relaxant, anticonvulsive and neuroprotective action. Thus, they may be useful for the treatment of various diseases of central nervous system origin.
    Type: Grant
    Filed: June 21, 1993
    Date of Patent: October 17, 1995
    Assignee: Gyogyszerku-tato Intezet Kft
    Inventors: Ferenc Andrasi, Pal Berzsenyi, Peter Botka, Sandor Farkas, Katalin Goldschmidt, Tamas Hamori, Jeno Korosi, Imre Moravcsik, Istvan Tarnawa
  • Patent number: 5037830
    Abstract: The present invention relates to novel compounds of the formula (I), ##STR1## wherein R.sub.1 and R.sub.2 stand independently from each other, for hydrogen, C.sub.1-4 alkyl, phenyl, phenyl-C.sub.1-4 alkyl, piridyl or piridyl-C.sub.1-4 alkyl group;E means a straight or branched, saturated hydrocarbon chain containing 1 to 6 carbon atoms;R.sub.3 represents: a phenyl group ortho-substituted by a C.sub.2-5 alkanoylamino, N-C.sub.2-5 alkanoyl-N-C.sub.1-4 alkylamino or di(C.sub.1-4 alkyl)amino group and optionally further substituted by halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or C.sub.2-5 alkanoyloxy group; or a pyridyl group optionally mono- or polysubstituted by halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.2-5 alkanoyloxy or phenyl-C.sub.1-4 alkoxy groupas well as their acid addition salts and tautomeric forms of these compounds.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: August 6, 1991
    Assignee: Richter Gedeon Vegyeszeti Gyar RT
    Inventors: Gabor Zolyomi, Ferenc Andrasi, Pal Berzsenyi, Elemer Ezer, Tibor Hasko, Erzsebet F. Birkas, Erno Koltai, Judit Matuz, Lajos Toldy, Laszlo Sebestyen, Zsuzsanna Fittler, Katalin Saghy, Laszlo Szporny, Peter Aranyi
  • Patent number: 4835152
    Abstract: The invention relates to new 1-(4-aminophenyl)-4-methyl-7,8-methylenedioxy-3,4-dihydro-5H-2,3-benzodiaz epi ne of formula (1), optically active isomers and acid addition salts thereof as well as to pharmaceutical compositions containing these compounds. ##STR1## The new compounds of formula (I) can be prepared by reducing 1-(4-aminophenyl)-4-methyl-7,8-methylenedioxy-5H-2,3-benzodiazepine of formula (II) with an inorganic or organic-inorganic and/or complex metal hydride and, if desired, separating the optically active forms of the compound of formula (I) thus-obtained and, if desired, converting the base or bases into acid addition salts or converting the salts into the free bases(s). ##STR2## The new compound of formula (I) possesses significant central nervous effects and can advantageously be used in the therapy.
    Type: Grant
    Filed: August 20, 1987
    Date of Patent: May 30, 1989
    Assignee: Biogal Gyogyszergyar
    Inventors: Jeno Korosi, Tibor Lang, Ferenc Andrasi, Pal Berzsenyi, Peter Botka, Tamas Hamori, Katalin G. Horvath, Jozsef Borsi, Istvan Elekes, Zsuzsanna L. Rihmer