Granted Patent
Utility
US 5,216,182 · App. 07/933,936
Preparation of mono epoxides and tertiary butyl alcohol using regenerated catalyst
Inventors:
Edward T. Marquis, Robert A. Meyer
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Aug 24, 1992
Inventors
Edward T. Marquis
Robert A. Meyer
Assignee (at issue)
Texaco Chemical Inc.
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.