Patents by Inventor Olga L. Pospelova

Olga L. Pospelova 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).

  • Plant-derived, biologically active polysaccharides and method of preparing same
    Patent number: 5711948
    Abstract: Novel plant-derived, biologically active polysaccharides are prepared by grinding a raw material such as young root sprouts Solanum tuberosum of a family Solanaseae, extracting with water, incubating at 20.degree. C. for 16-18 hrs, separating the supernatant, incubating the supernatant for at least 20 days, fractionating the supernatant by molecular weight, and concentrating and preparing a dry substance.
    Type: Grant
    Filed: May 29, 1996
    Date of Patent: January 27, 1998
    Inventors: Olga L. Pospelova, Anatoly G. Grizenko, Valery V. Soloviev, Andrey I. Kozhushkov, Mikhail N. Starikov