IP Library Granted Patent US 5,502,158
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,502,158
App. No.
07/950,854
Filed
1992-09-22
Granted
1996-03-26
Kind
A