IP Library Granted Patent US 5,631,399
Granted Patent Utility
US 5,631,399 · App. 08/647,514

Process for the preparation of ethyl 3S-[[4-[[4-(aminoiminomethyl)phenyl]amino]-1,4-dioxobutyl]amino]-4-penty noate

Inventors: Kevin A. Babiak, Srinivasan Babu, James R. Behling, Mark Laurence Boys, Kimberly J. Cain-Janicki, Wendel W. Doubleday, Payman Farid, Timothy J. Hagen, E. Ann Hallinan, Donald W. Hansen, Jr., Donald E. Korte, Kathleen T. Mc Laughlin, John R. Medich, Sean T. Nugent, Vlasdislav Orlovski, Jung Min Park, Karen B. Peterson, Daniel R. Pilipauskas, Barnett S. Pitzele, Sofya Tsymbalov, Glenn L. Stahl
Patented Case View Patent ↗
Granted: May 20, 1997 Filed: May 14, 1996
Inventors
Kevin A. Babiak
Srinivasan Babu
James R. Behling
Mark Laurence Boys
Kimberly J. Cain-Janicki
Wendel W. Doubleday
Payman Farid
Timothy J. Hagen
E. Ann Hallinan
Donald W. Hansen, Jr.
Donald E. Korte
Kathleen T. Mc Laughlin
John R. Medich
Sean T. Nugent
Vlasdislav Orlovski
Jung Min Park
Karen B. Peterson
Daniel R. Pilipauskas
Barnett S. Pitzele
Sofya Tsymbalov
Glenn L. Stahl
Assignee (at issue)
G.D. Searle LLC

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.

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Quick Facts
Patent No.
US 5,631,399
App. No.
08/647,514
Filed
1996-05-14
Granted
1997-05-20
Kind
A