Granted Patent
Utility
US 5,798,435 · App. 08/707,245
Viscosity-modified lactide polymer composition and process for manufacture thereof
Inventors:
Patrick R. Gruber, Jeffrey John Kolstad, David R. Witzke, Mark Hartmann, Andrea L. Brosch
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Sep 3, 1996
Inventors
Patrick R. Gruber
Jeffrey John Kolstad
David R. Witzke
Mark Hartmann
Andrea L. Brosch
Assignee (at issue)
Cargill, Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.