Patents by Inventor Laszlo Kopper

Laszlo Kopper 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).

  • Nitroso-N-(.beta.-chloro ethyl)-carbamoyl peptides
    Patent number: 4950651
    Abstract: The invention relates to new peptide derivatives of the general Formula I ##STR1## wherein R is a group derived from any oligopeptide by removing a terminal amino group, or--if the oligopeptide comprises a diamino carboxylic acid--the amino group in the .omega.-position, or the terminal and .omega.-amino groups; andstands for the integral number 1 or 2and acid addition slats thereof and a process for the preparation thereof.The new compounds of the general Formula I exhibit antitumor activity.
    Type: Grant
    Filed: April 19, 1985
    Date of Patent: August 21, 1990
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara R.T.
    Inventors: Helga Suli, Kalman Medzihradszky, Hedvig Medzihradszky nee Schweiger, Karoly Lapis, Laszlo Kopper, Andras Jeney
  • Pharmaceutical compositions and process for the preparation of same
    Patent number: 4260595
    Abstract: There are disclosed pharmaceutical compositions comprising at least one cytostatic agent and N.sup..epsilon. -trimethylthyllysin or a pharmaceutically acceptable salt thereof, optionally in association with conventional pharmaceutical carriers and other additives.The new compositions possess a reduced toxicity compared with the cytostatic agents administered alone.
    Type: Grant
    Filed: October 12, 1978
    Date of Patent: April 7, 1981
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Karoly Lapis, Bela Szende, Andreas Jeney, Laszlo Kopper, Karoly Simon, Erno Tyihak, Lajos Kisfaludy, Lajos Kovacs, Gyorgy Dobo