Patents by Inventor Kate Ryman

Kate Ryman 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).

  • Method of screening for attenuating viruses
    Patent number: 6010894
    Abstract: The present invention provides a method of selecting virus vaccine candidates by selecting virus variants that do not bind to brain membrane receptor preparations, comprising the steps of: (a) preparing a brain membrane receptor preparation; (b) mixing an amount of a virus of interest with an amount of said membrane receptor preparation containing excess membrane receptors to form a virus-membrane receptor preparation suspension; (c) centrifuging said suspension to form a supernatant; (d) determining residual virus infectivity in said supernatant; and (e) isolating individual membrane receptor preparation binding-resistant virus variants which are useful as virus vaccine candidates.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: January 4, 2000
    Assignee: Research Development Foundation
    Inventors: Alan Barrett, Haolin Ni, Kate Ryman