Granted Patent
Utility
US 5,494,793 · App. 07/366,971
Monomeric phthalocyanine reagents
Inventors:
Deborah C. Schindele, Barry V. Pepich, George E. Renzoni, Karen L. Fearon, Niels H. Andersen, Thomas H. Stanton
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Jun 14, 1989
Inventors
Deborah C. Schindele
Barry V. Pepich
George E. Renzoni
Karen L. Fearon
Niels H. Andersen
Thomas H. Stanton
Assignee (at issue)
British Technology Group USA 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.