Granted Patent
Utility
US 4,320,231 · App. 06/208,810
Aqueous solutions of dialdehydes and ketones
Inventor:
Gerald J. Murphy
Patented Case
View Patent ↗
Granted: Mar 16, 1982
Filed: Nov 20, 1980
Inventor
Gerald J. Murphy
Assignee (at issue)
Union Carbide Corporation
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.