Granted Patent
Utility
US 5,321,074 · App. 08/096,400
Process for preparing hydrolytically stable poly (ethylene-2,6-naphthalene dicarboxylate) polymers
Inventors:
Jimmy R. Trotter, Bobby J. Sublett
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Jul 26, 1993
Inventors
Jimmy R. Trotter
Bobby J. Sublett
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.