Granted Patent
Utility
US 6,627,752 · App. 09/632,296
Lactide modified starch derivatives and the process of preparation thereof
Inventors:
Robert L. Billmers, David S. Roesser
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Aug 3, 2000
Inventors
Robert L. Billmers
David S. Roesser
Assignee (at issue)
National Starch and Chemical Investment Holding Copporation
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.