Granted Patent
Utility
US 4,801,728 · App. 06/878,166
Omega-phase catalyzed chemical reactions
Inventors:
Charles L. Liotta, Edward Burgess
Patented Case
View Patent ↗
Granted: Jan 31, 1989
Filed: Jun 25, 1986
Inventors
Charles L. Liotta
Edward Burgess
Assignee (at issue)
M&T Chemicals, 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.