Granted Patent
Utility
US 5,952,405 · App. 08/918,878
Lactide graft copolymers and hot melt adhesives prepared from same
Inventors:
Jules E. Schoenberg, Robert D. Harlan, Stephen Hatfield, Johnson K. Samuel
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Aug 26, 1997
Inventors
Jules E. Schoenberg
Robert D. Harlan
Stephen Hatfield
Johnson K. Samuel
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.