Granted Patent
Utility
US 6,768,014 · App. 10/169,139
PROCESS FOR PREPARING 17&agr;-ACETOXY-11&bgr;-[4-N,N(DIMETHYLAMINO)PHENYL]-21-METHOXY-19-NORPREGNA-4,9-DIENE-3,20-DIONE, INTERMEDIATES USEFUL IN THE PROCESS , AND PROCESSES FOR PREPARING SUCH INTERMEDIATES
Inventors:
Hyun Koo Kim, Pemmaraju Rao, James W. Cessac, Anne Marie Simmons
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Jun 27, 2002
Inventors
Hyun Koo Kim
Pemmaraju Rao
James W. Cessac
Anne Marie Simmons
Assignee (at issue)
Department of Health and Human Services
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.