Granted Patent
Utility
US 4,374,259 · App. 06/095,031
Process for converting substituted ethylene carbonates into substituted ethylene oxides using tin catalysts
Inventor:
Edward E. McEntire
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Nov 16, 1979
Inventor
Edward E. McEntire
Assignee (at issue)
Texaco Development 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.