Patents by Inventor Jerzy Gieldanowski

Jerzy Gieldanowski 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).

  • 1-Nitro-9-dialkylaminoisoalkylaminoacridines or their salts
    Patent number: 4150231
    Abstract: 1-Nitro-9-dialkylaminoisoalkylaminoacridines or their salts of the formula: ##STR1## wherein R is lower alkyl, such as methyl, ethyl, R.sup.1 is a hydrogen atom or methyl, R.sup.2 is the same as R.sup.1, with the proviso that R.sup.1 is not equal to R.sup.2 and n = 0 or 2, and their preparation is described. These compounds are useful as anti-neoplastic agents.
    Type: Grant
    Filed: March 25, 1977
    Date of Patent: April 17, 1979
    Assignee: Politechnika Gdanska
    Inventors: Andrzej Ledochowski, Jerzy Gieldanowski, Czeslaw Radzikowski, Cecylia Kwasniewska-Rokicinska, Barbara Wysocka-Skrzela, Lucyna Sawinska, Mieczyslaw Medon
  • 1-Nitro-9-alkylaminoalkylaminoacridines and salts thereof
    Patent number: 4139531
    Abstract: 1-Nitro-9-alkylaminoalkylaminoacridins and their salts, as well as a method for obtaining these compounds, is described. The 1-nitro-9-alkylaminoalkylaminoacridines have the formula 1, ##STR1## wherein R is methyl, ethyl, propyl, isopropyl, butyl, isobutyl, isopentyl, benzyl or cyclohexyl, whereas n is equal to 2 or 3. The salts are those derived from mineral acids or organic acids. These compounds have anti-neoplastic activity.
    Type: Grant
    Filed: February 23, 1977
    Date of Patent: February 13, 1979
    Assignee: Politechnika Gdanska
    Inventors: Andrzej Ledochowski, Jerzy Gieldanowski, Czeslaw Radzikowski, Barbara Horowska, Cecylia Kwasniewska-Rokicinska, Barbara Wysocka-Skrzela, Lucyna Sawinska, Mieczyslaw Medon