Granted Patent
Utility
US 5,340,927 · App. 07/846,725
Process for the preparation of 2-diazo-3-trisubstituted silyloxy 3-butenoates
Inventor:
David L. Hughes
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Mar 2, 1992
Inventor
David L. Hughes
Assignee (at issue)
MERCK & CO., INC.
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.