Patents by Inventor Alexandra V. Usova

Alexandra V. Usova 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).

  • Patent number: 4999188
    Abstract: A composition for embolization of blood vessels contains the following ingredients in weight percent:______________________________________ particles of an embolizing material from 0.01 to 15.0 polyalkyleneoxide from 0.02 to 0.2 fluid medium the balance. ______________________________________The composition can be used in surgery for reducing blood supply of individual organs, preventing haemorrhage, producing ischemia of malignant tumors and many other cases.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: March 12, 1991
    Inventors: Valentin D. Solodovnik, Tatyana I. Solodkaya, Maria T. Litvinova, Taisa A. Meshkova, Alexandra V. Usova, Anatoly B. Davydov