Patents by Inventor Viktor Weiszfeiler

Viktor Weiszfeiler 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).

  • Inclusion complex of 7-isopropoxy-isoflavon formed with cyclodextrin, the preparation thereof and pharmaceutical compositions containing these compounds as active ingredients
    Patent number: 5043326
    Abstract: The invention relates to the inclusion complexes of 7-isopropoxy-isoflavon formed with cyclodextrin or cyclodextrin derivatives as well as to the pharmaceutical compositions containing these inclusion complexes as active ingredient. The invention further relates to the preparation of the new inclusion complexes.The new inclusion complex according to the invention shows higher dissolution and resorption properties as compared to the active ingredient administered per se.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: August 27, 1991
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara R.T.
    Inventors: Agnes Stadler nee Szoke, Josef Szejtli, Viktor Weiszfeiler, Zoltan Vargay, Katalin Kaloy, Vera Gergely, Tamas Szuts
  • Inclusion complex of 7-isopropoxy-isoflavon formed with cyclodextrin, the preparation thereof and pharmaceutical compositions containing these compounds as active ingredient
    Patent number: 4826963
    Abstract: The invention relates to the inclusion complexes of 7-isopropoxy-isoflavone formed with cyclodextrin or cyclodextrin derivatives as well as to the pharmaceutical compositions containing these inclusion complexes as active ingredient. The invention further relates to the preparation of the new inclusion complexes. The new inclusion complex according to the invention shows higher dissolution and resorption properties as compared to the active ingredient administered per se.
    Type: Grant
    Filed: September 10, 1986
    Date of Patent: May 2, 1989
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara, R.T.
    Inventors: Agnes Stadler nee Szoke, Jozsef Szejtli, Viktor Weiszfeiler, Zoltan Vargay, Katalin Kaloy, Vera Gergely, Tamas Szuts