Granted Patent
Utility
US 4,931,569 · App. 07/244,006
Purification of stable water-soluble dioxetanes
Inventors:
Brooks Edwards, John Voyta
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Sep 14, 1988
Inventors
Brooks Edwards
John Voyta
Assignee (at issue)
Tropix, 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.