Patents by Inventor Chandra M. Dwivedi

Chandra M. Dwivedi 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 purifying human epidermal growth factor
    Patent number: 5290920
    Abstract: Human epidermal growth factor is provided in an ultrapure form characterized by the absence of protein contaminants detectable by capillary electrophoresis analysis. A method for obtaining such ultrapure human epidermal growth factor includes fractionation of a human epidermal growth factor preparation by reversed phase high performance liquid chromatography in the presence of a cationic ion-pairing agent.
    Type: Grant
    Filed: April 16, 1992
    Date of Patent: March 1, 1994
    Assignee: Allelix Biopharmaceuticals Inc.
    Inventors: Dennis R. Sindrey, Chandra M. Dwivedi