Granted Patent
Utility
US 6,004,529 · App. 08/833,995
Chelating agents
Inventors:
Shi-Bao Yu, Jasbir Singh
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Apr 11, 1997
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.