Granted Patent
Utility
US 5,817,751 · App. 08/731,362
Method for synthesis of diketopiperazine and diketomorpholine derivatives
Inventors:
Anna Katrin Szardenings, David Campbell
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Oct 11, 1996
Inventors
Anna Katrin Szardenings
David Campbell
Assignee (at issue)
Affymax Technologies N.V.
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.