Granted Patent
Utility
US 5,847,162 · App. 08/672,196
4, 7-Dichlororhodamine dyes
Inventors:
Linda G. Lee, Scott C. Benson, Barnett Rosenblum, Sandra L. Spurgeon
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Jun 27, 1996
Inventors
Linda G. Lee
Scott C. Benson
Barnett Rosenblum
Sandra L. Spurgeon
Assignee (at issue)
PerkinElmer, 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.