Granted Patent
Utility
US 5,612,352 · App. 08/162,093
Heterocyclic compounds
Inventors:
George R. Brown, Peter John Harrison, deceased, Keith Blakeney Mallion
Patented Case
View Patent ↗
Granted: Mar 18, 1997
Filed: Jul 14, 1994
Inventors
George R. Brown
Peter John Harrison, deceased
Keith Blakeney Mallion
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.