Patents by Inventor Victoria Varkonyi

Victoria Varkonyi 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).

  • Compositions containing hyaluronic acid associates and a process for preparing same
    Patent number: 6458774
    Abstract: Complexes of deprotonated hyaluronic acid with 3d metal ions of the 4th period of the Periodic Table and compositions containing these complexes as active ingredients or carriers. A process for the preparation of the complexes and compositions (pharmaceutical and cosmetic compositions) containing these complexes as active ingredients are disclosed in which zinc or cobalt (II) hyaluronate is preferably used as active ingredient.
    Type: Grant
    Filed: November 25, 1994
    Date of Patent: October 1, 2002
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Kalman Burger, Ivan Rethey, Bela Stefko, Istvan Gebhardt, Arpadne Kiraly, Geza Takacsi Nagy, Janos Illes, Erzsebet Neszmelyi, Istvan Racz, Victoria Varkonyi