Granted Patent
Utility
US 5,872,250 · App. 08/887,849
Process for synthesizing carbapenem antibiotics
Inventors:
John M. Williams, Ronald B. Jobson
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Jul 30, 1997
Inventors
John M. Williams
Ronald B. Jobson
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.