Patents by Inventor Penelope E Roberts

Penelope E Roberts 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).

  • Human pancreatic epithelial progenitor cells and methods of isolation and use thereof
    Patent number: 7078231
    Abstract: The invention discloses a substantially pure population of human pancreatic progenitor cells and methods of isolating and culturing the pancreatic progenitor cells. By carefully manipulating the microenvironment of the pancreatic progenitor cells, multiple passages are attainable wherein the pancreatic progenitor cells do not senesce and furthermore, are capable of becoming functional exocrine or endocrine cells. In addition, several methods of use of human pancreatic progenitor cells are disclosed herein.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: July 18, 2006
    Assignee: Raven biothechnologies, inc.
    Inventors: Penelope E Roberts, Jennie Powell Mather