Granted Patent
Utility
US 4,265,821 · App. 06/092,126
Substituted alkylene oxides from substituted alkylene carbonates
Inventors:
Edward E. McEntire, Robert M. Gipson
Patented Case
View Patent ↗
Granted: May 5, 1981
Filed: Nov 7, 1979
Inventors
Edward E. McEntire
Robert M. Gipson
Assignee (at issue)
Texaco Dev. Corp.
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.