Granted Patent
Utility
US 5,488,126 · App. 08/197,086
Bifunctional chelating agents
Inventors:
Ramaswamy Subramanian, James Colony
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Feb 16, 1994
Inventors
Ramaswamy Subramanian
James Colony
Assignee (at issue)
AKZO NOBEL N.V.
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.