Granted Patent
Utility
US 5,116,989 · App. 07/339,287
Fluorescent poly(arylpyridine) rare earth chelates
Inventors:
Ron L. Hale, Dennis W. Solas
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: May 30, 1989
Inventors
Ron L. Hale
Dennis W. Solas
Assignee (at issue)
Baxter Diagnostics 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.