Granted Patent
Utility
US 5,279,790 · App. 07/929,801
Merocyanine and nitro or nitroso substituted polyhalogenated phenolsulfonephthaleins as protein indicators in biological samples
Inventors:
Paul F. Corey, Angela A. Michaels, Ronald G. Sommer
Patented Case
View Patent ↗
Granted: Jan 18, 1994
Filed: Nov 2, 1992
Inventors
Paul F. Corey
Angela A. Michaels
Ronald G. Sommer
Assignee (at issue)
Miles 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.