Granted Patent
Utility
US 5,523,329 · App. 07/945,675
Recovery of polyester from spent film
Inventors:
Tony Clifford Moore, Carl Steven Nichols, Joseph C. Tucker
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Sep 16, 1992
Inventors
Tony Clifford Moore
Carl Steven Nichols
Joseph C. Tucker
Assignee (at issue)
Wellman Inc.
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.