Granted Patent
Utility
US 5,252,740 · App. 07/769,971
Fluorescent poly(arylpyridine) rare earth chelates
Inventors:
Ron L. Hale, Dennis W. Solas
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Oct 2, 1991
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.