Granted Patent
Utility
US 6,280,706 · App. 09/383,217
Chelating agents
Inventors:
Shi-Bao Yu, Jasbir Singh
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Aug 26, 1999
Inventors
Shi-Bao Yu
Jasbir Singh
Assignee (at issue)
NYCOMED IMAGING AS
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.