Granted Patent
Utility
US 4,474,988 · App. 06/453,169
Process for the production of bis-(N,N,-dialkylamino)alkyl ether
Inventor:
Steven W. Kaiser
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Dec 27, 1982
Inventor
Steven W. Kaiser
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.