Granted Patent
Utility
US 4,389,532 · App. 06/376,975
Process for the preparation of acetaldehyde
Inventors:
Thomas H. Larkins, Jr., Guy R. Steinmetz
Patented Case
View Patent ↗
Granted: Jun 21, 1983
Filed: May 10, 1982
Inventors
Thomas H. Larkins, Jr.
Guy R. Steinmetz
Assignee (at issue)
EASTMAN KODAK 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.