Granted Patent
Utility
US 5,502,158 · App. 07/950,854
Degradable polymer composition
Inventors:
Richard G. Sinclair, Edward S. Lipinsky
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Sep 22, 1992
Inventors
Richard G. Sinclair
Edward S. Lipinsky
Assignee (at issue)
Ecopol, LLC
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.