Granted Patent
Utility
US 4,263,167 · App. 06/053,536
Poly(alkylene oxide) compositions
Inventor:
Blake F. Mago
Patented Case
View Patent ↗
Granted: Apr 21, 1981
Filed: Jun 29, 1979
Inventor
Blake F. Mago
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.