Patents by Inventor Edupuganti B Raju

Edupuganti B Raju 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).

  • Process for the extraction and isolation of insulin from recombinant sources
    Patent number: 7608583
    Abstract: The present invention relates to the extraction and isolation of insulins from recombinant sources, particularly those expressed in and secreted by yeasts. Organic solvents have been used to extract host surface bound forms of insulin polypeptide. In addition, procedures for combining the steps medium clarification, solvent extraction and chromatography, in order to effect the simultaneous isolation and purification of soluble and membrane bound forms of insulin, is disclosed.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: October 27, 2009
    Assignee: Wockhardt Limited
    Inventors: Maharaj K Sahib, Edupuganti B Raju, Umesh S Shaligram
  • Purification of Insulin-Like Material by Reverse Phase Chromatography
    Publication number: 20080108787
    Abstract: This invention describes processes for purification of insulin or insulin-like material by reverse phase chromatography by using polystyrenic resins as the chromatographic materials. in particular the present invention describes processes for the purification of a particular insulin-like material from chemically and structurally similar contaminants.
    Type: Application
    Filed: May 24, 2004
    Publication date: May 8, 2008
    Inventors: Maharaj K Sahib, Edupuganti B Raju, Sivaraman Subramaniam, Vennapusa R Reddy