Patents by Inventor Ranjit S. Sarpal

Ranjit S. Sarpal 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).

  • Liposomes containing active agents
    Patent number: 6296870
    Abstract: Liposomes formulations are designed to maximize the amount of poorly water-soluble active agent that can be carried by the liposome. Liposomes containing active agent in the lipid bilayer of the liposome, and/or entrapped within the liposome interior space in a micellar preparation are described. Methods of making such liposomes are presented.
    Type: Grant
    Filed: February 3, 1998
    Date of Patent: October 2, 2001
    Assignee: Duke University
    Inventors: David Needham, Ranjit S. Sarpal
  • Liposomes containing active agents
    Patent number: 6143321
    Abstract: Liposomes formulations are designed to maximize the amount of poorly water-soluble active agent that can be carried by the liposome. Liposomes containing active agent in the lipid bilayer of the liposome, and/or entrapped within the liposome interior space in a micellar preparation are described. Methods of making such liposomes are presented.
    Type: Grant
    Filed: October 19, 1998
    Date of Patent: November 7, 2000
    Assignee: Duke University
    Inventors: David Needham, Ranjit S. Sarpal