Granted Patent
Utility
US 5,877,312 · App. 08/777,645
Method for preparing alkylating agents for their use for alkylating cyclic ureas
Inventors:
Prabhakar Kondaji Jadhav, George C. Emmett, Michael E. Pierce
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Dec 31, 1996
Inventors
Prabhakar Kondaji Jadhav
George C. Emmett
Michael E. Pierce
Assignee (at issue)
Dupont Pharmaceuticals
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.