Granted Patent
Utility
US 6,113,809 · App. 08/734,990
Use of a high purity imidazoline based amphoacetates as surface active agents
Inventors:
David Dino, Anthony Homack
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Oct 22, 1996
Inventors
David Dino
Anthony Homack
Assignee (at issue)
Rhodia, 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.