Patents by Inventor Gyorgyi Ignaczné Szendrei

Gyorgyi Ignaczné Szendrei 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).

  • Patent number: 7858791
    Abstract: A process for preparing cabergoline (I) from ergoline-8?-carboxylic acid ester (XIII) comprising the following steps. (XIII), (XVI), (XVII), (XVIII), (XIX), (I). The present case also relates to the intermediates (XVI), (XVII), (XVIII) and (XIX) as well as the polymorphic amorphous form of Cabergoline (I) and the production thereof.
    Type: Grant
    Filed: March 2, 2005
    Date of Patent: December 28, 2010
    Assignee: Richter Gedeon Vegyeszeti Gyar RT
    Inventors: Janos Galambos, Laszlo Czibula, Ferenc Sebök, Sandorné Balint, Ferencné Kassai, Gyorgyi Ignaczné Szendrei, Adam Demeter
  • Patent number: 7435744
    Abstract: The present invention relates to a compound of formula (I): wherein: V and U are hydrogen, halogen, C1-C4 alkylamino, or together form a group that contains one or more heteroatoms, and that taken together with one or more: (a) hydrogen atoms; (b) carbon atoms; (c) —CH? groups; (d) —CH2— groups; or (e) additional heteroatoms of the same or different type; or any combination thereof, form a 4-7 membered homocyclic or heterocyclic ring, wherein the homocyclic or heterocyclic ring may combine with the phenyl group to form a bicyclic ring, and wherein the homocyclic or heterocyclic ring or the bicyclic ring may contain one or more oxo, thioxo, amino, mercapto, trifluoromethyl, C1-C4 alkyl, ?S or —SH groups; W: is —CO—, —CH2— or —CH2—(C1-C4 alkyl)-; X: is —CO—; Y: is —O—, C1-C4 alkylene, C1-C4 alkynylene, cycloalkylene, aminocarbonyl, —NH—, —N(C1-C4 alkyl)-, -C1-C4 alkylene-N(C1-C4 alkyl)-, —CH2O—, —CH(OH)— or —OCH2—; Z: is hydrogen, halogen, nitro, amino, C1-C4 alkyl, C1-C4 alkoxy, cyano, trifluorometh
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: October 14, 2008
    Assignee: Gedeon Richter Vegyeszeti Gyar RT
    Inventors: Gyorgy Domány, Csilla Horváth, Gizella Bartáné Szalai, József Nagy, Sándor Kolok, Éva Kovácsné Bozó, István Borza, István Vágó, Attila Bielik, Györgyi Ignáczné Szendrei, György Keserü, Sándor Farkas
  • Publication number: 20070293677
    Abstract: A process for preparing cabergoline (I) from ergoline-8?-carboxylic acid ester (XIII) comprising the following steps. (XIII), (XVI), (XVII), (XVIII), (XIX), (I). The present case also relates to the intermediates (XVI), (XVII), (XVIII) and (XIX) as well as the polymorphic amorphous form of Cabergoline (I) and the production thereof.
    Type: Application
    Filed: March 2, 2005
    Publication date: December 20, 2007
    Inventors: Janos Galambos, Laszio Czibula, Ferenc Sebok, Sandorne Balint, Ferencne Kassai, Gyorgyi Ignaczne Szendrei, Adam Demeter
  • Publication number: 20040157886
    Abstract: The present invention relates to a compound of formula (I): 1
    Type: Application
    Filed: January 21, 2004
    Publication date: August 12, 2004
    Inventors: Gyorgy Domany, Csilla Horvath, Gizella Bartane Szalai, Jozsef Nagy, Sandor Kolok, Eva Kovacsne Bozo, Istvan Borza, Istvan Vago, Attila Bielik, Gyorgyi Ignaczne Szendrei, Gyorgy Keseru, Sandor Farkas