Granted Patent
Utility
US 4,356,328 · App. 06/194,324
Process for the preparation of acetaldehyde
Inventor:
David Moy
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Oct 6, 1980
Inventor
David Moy
Assignee (at issue)
The Halcon SD Group, Inc.
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.