Granted Patent
Utility
US 5,498,650 · App. 08/393,773
Poly(lactic acid) composition having improved physical properties
Inventors:
Edmund Arthur Flexman, William E. Kelly
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Feb 24, 1995
Inventors
Edmund Arthur Flexman
William E. Kelly
Assignee (at issue)
Ecological Chemical Products
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.