Granted Patent
Utility
US 5,445,963 · App. 07/660,830
Alcohol-ester separation by recrystallization
Inventor:
Neil Warren Boaz
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Feb 26, 1991
Inventor
Neil Warren Boaz
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.