Granted Patent
Utility
US 5,648,032 · App. 08/509,845
Process for producing polyester articles having low acetaldehyde content
Inventors:
Gregory Wayne Nelson, Vincent Alvin Nicely
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Aug 1, 1995
Inventors
Gregory Wayne Nelson
Vincent Alvin Nicely
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.