Patents by Inventor Erzsebet Molnar nee Bako

Erzsebet Molnar nee Bako 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).

  • Intermediates and process for the preparation thereof
    Patent number: 6258961
    Abstract: A process for the preparation of 2-[(2-thienyl)-ethylamino]-(2-halogenophenyl)-acetamides of general formula (VII) starting from the nitriles of general formula (I). Compounds of general formula (VII) are valuable intermediates.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: July 10, 2001
    Assignee: Sanofi-Synthelabo
    Inventors: Mária Bakonyi, Marianna Csatári née Nagy, Erzsébet Molnár née Bakó, Zoltán Makovi, Piroska Jobb, Edit Bai née Tállai
  • Process for the preparation of 4-methyl-5-(2-chloroethyl)-thiazole and analogues thereof
    Patent number: 5648498
    Abstract: A process is described for the preparation of 4-Methyl-5-(2-Chloroalkyl)-thiazole wherein the alkyl ranges from C.sub.2 -C.sub.5, by providing the steps of either a) converting the 3-thiocyanato-5-chloro-2-alkanone into 2-chloro-4-methyl-5-(2-chloroalkyl)-thiazole by gaseous hydrochloric acid in an organic solvent and hydrogenating the compound in the presence of a metal catalyst in an organic solvent, or b) reacting 3-thiocyanato-5-choro-2-alkanone with aqueous mineral acid and treating the thiazole obtained with a halogenating agent, and hydrogenating the 2-chloro-4-methyl-5-(2-chloroalkyl)-thiazole in an organic solvent in presence of a metal catalyst.
    Type: Grant
    Filed: June 27, 1994
    Date of Patent: July 15, 1997
    Assignee: Astra Aktiebolag
    Inventors: Endre Palosi, Dezso Korbonits, Erzsebet Molnar nee Bako, Ida Szvoboda nee Kanzel, Gergely Heja, Pal Kiss, Csaba Gonczi, Ferenc Sperber, Csaba Huszar, Gyorgy Mihalovics, Attila Nemeth, Mihaly Sut, Karol Gyure, Istvan Bone, Ferenc Morasz, Laszlo Ledniczky, Erzsebet Szabo nee Kardos, Peter Gyri, Erzsebet Szalay, Karoly Ban, Ildiko Buttkai, Arpad Kvari, Sandor Garaczy
  • Process for the preparation of 4-methyl-5-(2-chloroethyl)-thiazole and analogues thereof
    Patent number: 5534644
    Abstract: The present invention relates to a process for the preparation of compounds of general formula (I), wherein R stands for a straight chained C.sub.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: July 9, 1996
    Assignee: Aktiebolaget Astra
    Inventors: Endre Palosi, Dezso Korbonits, Erzsebet Molnar nee Bako, Ida Szvoboda nee Kanzel, Gergely Heja, Pal Kiss, Csaba Gonczi, Ferenc Sperber, Csaba Huszar, Gyorgy Mihalovics, Attila Nemeth, Mihaly Su, Karol Gyure, Istvan Bone, Ferenc Morasz, Laszlo Ledniczky, Erzsebet Szabo nee Kardos, Peter Gy ri, Erzsebet Szalay, Karoly Ban, Iidiko Buttkai, Arpad K vari, Sandor Garaczy
  • 2-amino-tetrahydro-isoquinolene derivatives and a process for the preparation thereof and pharmaceutical compositions containing same
    Patent number: 4940716
    Abstract: Diuretic and saluretic tetrahydro-isoquinoline derivatives of the Formula (I) ##STR1## wherein R stands for hydrogen or chlorine,R.sup.1 and R.sup.2 are hydrogen, methoxy or ethoxy, andR.sup.3 and R.sup.4 are hydrogen or methyl,and a process for the preparation thereof as well as pharmaceutical compositions containing as active ingredients isoquinoline derivatives of the Formula (I). The compounds of Formula I are prepared by reacting a 2-amino-tetrahydro-isoquinoline derivative of the Formula (II) ##STR2## with a carboxylic acid derivative of the Formula (III) ##STR3## wherein x stands for chlorine, --OH, --OCH.sub.2 CN, --OCH.sub.3, --OC.sub.2 H.sub.5, --OCOOCH.sub.3 or --OCOOC.sub.2 H.sub.5R.sup.5 and R.sup.6 stand for hydrogen or together from CHN(CH.sub.3).sub.2 and in case of the Formula (Ia) ##STR4## splitting off the protective group in alkaline medium.
    Type: Grant
    Filed: December 29, 1988
    Date of Patent: July 10, 1990
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt
    Inventors: Endre Palosi, Dezso Korbonits, Erzsebet Molnar nee Bako, Ida Szyoboda nee Kanzel, Laszlo Harsing, Gyorgy Simon, Vera Gergely, Peter Kormoczi, Katalin Marmarosi nee Keliner, Sandor Virag
  • Diuretic and saluretic 4-chloro-3-sulfamoylbenzoic acid hydrazides
    Patent number: 4916149
    Abstract: The present invention relates to novel compounds of the general formula ##STR1## wherein R is hydrogen atom or a trifluoromethyl, carboxy, C.sub.2-5 alkoxycarbonyl, cyano, benzoyl, sulfamoyl or C.sub.1-4 alkylsulfonyl group;R.sup.1 is hydrogen atom or a linear or branched chain C.sub.1-4 alkyl, C.sub.1-4 alkylthio, C.sub.1-4 alkylsulfonyl, benzylthio, benzylsulfonyl, phenyl, hydroxy or mercapto group; andR.sup.2 is hydrogen or chlorine atom,as well as their pharmaceutically acceptable salts.The compounds according to the invention possess diuretic and saluretic activity with an advantageous Na/K ratio.
    Type: Grant
    Filed: December 29, 1988
    Date of Patent: April 10, 1990
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.
    Inventors: Endre Palosi, Dezso Korbonits, Erzsebet Molnar nee Bako, Ida Szoboda nee Kanzel, Laszlo Harsing, Gyorgy Simon, Sandor Virag, Vera Gergely, Katalin Marmarosi nee Kellner