Patents by Inventor Ágnes Horváth

Ágnes Horváth 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).

  • 3-(Ethoxycarbonyl-methyl)-6-methyl-4-oxo-6,7,8,9-tet rahydro-4H-pyrido[1,2-a]pyrimidine
    Patent number: 4209622
    Abstract: Pyrida-(1,2A)-pyrimidine-derivatives and a process for preparing these compounds are disclosed. These compounds possess analgesic, anti-inflammatory, and anti-pyretic properties as well as the ability to depress the central nervous system.
    Type: Grant
    Filed: March 19, 1975
    Date of Patent: June 24, 1980
    Assignee: Chinoin Gygyszer es Vegyeszeti Termekek Gyara Rt.
    Inventors: Zoltan Meszaros, Jozsef Knoll, Istvan Hermecz, Lelle Vasvari, Agnes Horvath
  • Fused pyrimidine derivatives and compositions for treating atherosclerosis containing them
    Patent number: 4123533
    Abstract: Compounds of the formula: ##STR1## or pharmaceutically acceptable salts thereof are disclosed wherein R is hydrogen or C.sub.1 to C.sub.6 alkyl;R.sup.2 and R.sup.3 are each hydrogen or together form a valency bond;R.sup.6 is carboxy or C.sub.1 to C.sub.6 alkoxycarbonyl;R.sup.7 and R.sup.8 are each hydrogen or together form a valency bond;R.sup.10 is carboxy or C.sub.1 to C.sub.6 alkoxycarbonyl and the dotted line represents two hydrogen atoms or a valency bond. The compounds are useful in the treatment of atherosclerosis.
    Type: Grant
    Filed: February 4, 1977
    Date of Patent: October 31, 1978
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara R.T.
    Inventors: Istvan Hermecz, Zoltan Meszaros, Sandor Virag, Lelle Vasvari nee Debreczy, Agnes Horvath, Jozsef Knoll, Gyula Sebestyen, Agoston David
  • Heterocyclic-amino-acrylic acid derivatives
    Patent number: 4089858
    Abstract: The present invention is concerned with the preparation of chemical intermediates, namely, beta-amino-acrylic acid ester derivatives of nitrogen heterocycles, i.e. pyridine, quinoline, quinoxaline, pyrazine, pyrimidine and the like. Said intermediates are cyclized to form pyrido-pyrimidine type final products possessing analgesic activity.
    Type: Grant
    Filed: September 17, 1975
    Date of Patent: May 16, 1978
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.
    Inventors: Zoltan Meszaros, Jozsef Knoll, Istvan Hermecz, Piroska Simon, Peter Szentmiklosy, Lelle Vasvari, Agnes Horvath, Gabor Horvath, Peter Dvortsak
  • 1-Benzal-1,2,3,4-tetrahydro-isoquinolinium-theophylline-7-acetates
    Patent number: 4035366
    Abstract: 1-Benzal-1,2,3,4-tetrahydro-isoquinolinium-theophylline-7-acetates are used in the manufacture of geriatric compositions.
    Type: Grant
    Filed: January 22, 1974
    Date of Patent: July 12, 1977
    Assignee: Chinoin Gyogyszer-es Vegyeszeti Termekek Gyara RT
    Inventors: Peter Szentmiklosi, Zoltan Meszaros, Laszlo Tardos, Istvan Hermecz, Ilona Erdelyi, Agoston David, Lelle Vasvari nee Debreczy, Agnes Horvath