Granted Patent
Utility
US 5,494,922 · App. 08/462,024
Allophanic acid derivatives
Inventors:
George R. Brown, Richard E. Shute
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Jun 5, 1995
Inventors
George R. Brown
Richard E. Shute
Assignee (at issue)
Zeneca Limited
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.