Patents by Inventor Istvan Sziraki

Istvan Sziraki 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).

  • Novel 2,3-benzodiazepine derivatives and their use as antipsychotic agents
    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
  • N-benzoylamino acid derivatives, pharmaceutical compositions containing them and process of preparing same
    Patent number: 5854250
    Abstract: An N-benzoylamino acid compound of the formula (I), ##STR1## wherein R.sup.3 is an NR.sup.4 R.sup.5 group where R.sup.4 and R.sup.5 which are the same or different are selected from the group consisting of hydrogen, a hydroxyl group, a C.sub.1-12 alkyl group, a C.sub.1-4 alkyl group substituted by a hydroxyl group and a C.sub.1-4 alkyl group substituted by an amino group;R.sup.4 and R.sup.5 when taken together with the adjacent nitrogen form a substituted or unsubstituted 5- or 6-membered heterocyclic group, a 5- or 6-membered heterocyclic group containing an additional nitrogen atom, a 5- or 6-membered heterocyclic group containing an additional nitrogen atom and being substituted by an oxo group, a phenyl-substituted C.sub.1-4 alkyl group or C.sub.
    Type: Grant
    Filed: August 8, 1997
    Date of Patent: December 29, 1998
    Assignee: Gyogyszerkutato Intezet KFT
    Inventors: Peter Matyus, Erzsebet Zara, Lajos Farkas, Agnes Papp, Antal Simay, Lajos Toldy, Ferenc Andrasi, Katalin Goldschmidt, Eszter Hodula, Ildiko Mathe, Klara Sutka, Zsuzsanna Fittler, Valeria Vitkoczi, Laszlo Sebestyen, Istvan Sziraki, Marta Rusz, Eva Gal
  • N-benzoyl amino acid derivatives pharmaceutical compositions containing them and process for preparing same
    Patent number: 5705529
    Abstract: The invention relates to novel N-benzoylamino acid derivatives of the general formula (I), ##STR1## wherein R.sup.1 and R.sup.2, which are the same or different, stand for a hydroxyl group optionally bearing an acetyl group; or a C.sub.1-6 alkoxy group optionally substituted by a phenyl group;n means an integer from 2 to 15as well as their tautomers, racemates and optically active individual (pure) isomers or mixtures thereof and the salts of these compounds and pharmaceutical compositions containing these compounds.The invention relates also to a process for the preparation of compounds of the general formula (I).
    Type: Grant
    Filed: October 11, 1995
    Date of Patent: January 6, 1998
    Assignee: Gyogyszerkutato Intezet KFT
    Inventors: Peter Matyus, Erzsebet Zara, Lajos Farkas, Agnes Papp, Antal Simay, Lajos Toldy, Ferenc Andrasi, Katalin Goldschmidt, Eszter Hodula, Ildiko Mathe, Klara Sutka, Zsuzsanna Fittler, Valeria Vitkoczi, Laszlo Sebestyen, Istvan Sziraki, Marta Rusz, Eva Gal
  • Pharmaceutical composition and process for the preparation thereof
    Patent number: 5589513
    Abstract: The invention relates to two phase pharmaceutical compositions comprising as active ingredient a MAO inhibitor and an uptake inhibitor together with usual pharmaceutical auxiliaries. The compositions can be used for the treatment of neurodegenerative diseases. As active ingredient optionally N-(1-phenyl-isopropyl)-N-methyl-propinylamine or N-(4-fluoro-phenyl)-isoprop-1-yl-N-methyl-propinylamine or their salts, optically active isomers or metabolites are used both as MAO inhibitor and as uptake inhibitor.
    Type: Grant
    Filed: June 17, 1994
    Date of Patent: December 31, 1996
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.
    Inventors: Kalman Magyar, Jozsef Gaal, Istvan Sziraki, Jozsef Lengyel, Anna Z. Szabo, Katalin Marmarosi, Istvan Hermecz, Istvan Szatmari, Zoltan Torok, Peter Kormoczy
  • Piperazine and homopiperazine derivatives, pharmaceutical compositions containing them and process for preparing same
    Patent number: 5380724
    Abstract: This invention relates to novel compounds of the general formula (I) and the pharmaceutically acceptable acid addition salts thereof. In the general formula (I) ##STR1## wherein Lip, A.sup.1, A.sup.2, Het and n are defined as in the specification. The compounds of the general formula (I) inhibit the lipid peroxidation and therefore, they are useful for the treatment or prevention of diseases and conditions wherein the inhibition of lipid peroxidation is desirable.
    Type: Grant
    Filed: June 16, 1993
    Date of Patent: January 10, 1995
    Assignee: Gyogyszerkutato Intezet KFT
    Inventors: Zoltan Zubovics, Katalin Goldschmidt, Katalin Szilagyi, Ferenc Andrasi, Eszter Hodula, Lajos Toldy, Klara Sutka, Zsuzsanna Fittler, Laszlo Sebestyen, Katalin Gorgenyi, Istvan Sziraki, Jozsef Gyimesi, Valeria Vitkoczi