Granted Patent
Utility
US 6,627,743 · App. 09/454,366
6-O-methylerythromycin A crystal form III
Inventors:
Jih-Hua Liu, Rodger F. Henry, Stephen G. Spanton, David A. Riley
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Dec 3, 1999
Inventors
Jih-Hua Liu
Rodger F. Henry
Stephen G. Spanton
David A. Riley
Assignee (at issue)
Abbott Laboratories
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.