Patents by Inventor Nagendar Yerram

Nagendar Yerram 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 inactivation of viral and bacterial blood contaminants
    Patent number: 5418130
    Abstract: A method is provided for inactivating viral and/or bacterial contamination in blood cellular matter, such as erythrocytes and platelets, or protein fractions. The cells or protein fractions are mixed with chemical sensitizers and irradiated with, for example, UV, visible, gamma or X-ray radiation. In particular, quaternary ammonium or phosphonium substituted, halo-psoralen compounds are described as being useful.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: May 23, 1995
    Assignee: Cryopharm Corporation
    Inventors: Matthew S. Platz, Raymond P. Goodrich, Jr., Nagendar Yerram