Patents by Inventor Istvan Seres

Istvan Seres 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).

  • Pharmaceutical composition comprising an organic zinc complex and a process for preparing the active substance
    Patent number: 4871728
    Abstract: The invention refers to a novel pharmaceutical composition having especially antimycotic activity and comprising the zinc complex of 5-chloro-7-iodo-8-hydroxyquinoline of formula (I) ##STR1## and one or more pharmaceutically acceptable carriers. The pharmaceutical composition of the invention can be used for the effective treatment of mycotic infections on the skin surface, mucous membranes or nails.The complex of formula (I) is prepared by reacting a solution of an alkali metal salt of 5-chloro-7-iodo-8-hydroxyquinoline with a solution containing an excess of an inorganic or organic zinc salt or a zinc complex having a lower stability constant than that of the complex of formula (I) and separating the product precipitated.
    Type: Grant
    Filed: August 12, 1988
    Date of Patent: October 3, 1989
    Assignee: EGIS Cyogyszergvar
    Inventors: Gyula Sebestyen, Istvan Simonyi, Gizelle Miholics, Marta Kovacs, Frigyes Gorgenyi, Marton Fekete, Pal Vago, Istvan Seres, Janos Egri, Maria Szeli
  • Pharmaceutical composition comprising an organic zinc complex and a process for preparing the active substance
    Patent number: 4868172
    Abstract: The invention refers to a novel pharmaceutical composition having especially antimycotic activity and comprising the zinc complex of 5-chloro-7-iodo-8-hydroxyquinoline of formula (I) ##STR1## and one or more pharmaceutically acceptable carriers. The pharmaceutical composition of the invention can be used for the effective treatment of mycotic infections on the skin surface, mucous membranes or nails.The complex of formula (I) is prepared by reacting a solution of an alkali metal salt of 5-chloro-7-iodo-8-hydroxyquinoline with a solution containing an excess of an inorganic or organic zinc salt or a zinc complex having a lower stability constant than that of the complex of formula (I) and separating the product precipitated.
    Type: Grant
    Filed: April 15, 1987
    Date of Patent: September 19, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Gyula Sebestyen, Istvan Simonyi, Gizella Miholics, Marta Kovacs, Frigyes Gorgenyi, Marton Fekete, Pal Vago, Istvan Seres, Egri Janos, Maria Szeli