Granted Patent
Utility
US 5,328,982 · App. 07/970,220
Depolymerization of substantially amorphous polyesters
Inventors:
George William Tindall, Randall L. Perry, Art T. Spaugh, Jr.
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Nov 2, 1992
Inventors
George William Tindall
Randall L. Perry
Art T. Spaugh, Jr.
Assignee (at issue)
Eastman Chemical Company
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.