Granted Patent
Utility
US 5,597,891 · App. 08/624,028
Process for producing polyester articles having low acetaldehyde content
Inventors:
Gregory Wayne Nelson, Clinton Cherry, Eric G. Olsen
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Aug 1, 1995
Inventors
Gregory Wayne Nelson
Clinton Cherry
Eric G. Olsen
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.