Granted Patent
Utility
US 5,466,797 · App. 08/268,702
Intermediates for the preparation of cyclic urea
Inventors:
Lucius Rossano, Young S. Lo
Patented Case
View Patent ↗
Granted: Nov 14, 1995
Filed: Jun 30, 1994
Inventors
Lucius Rossano
Young S. Lo
Assignee (at issue)
The DuPont Merck Pharmaceutical Company
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.