Granted Patent
Utility
US 5,705,173 · App. 08/704,431
Newtonian drift control agents
Inventor:
James Lyle Hazen
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Aug 26, 1996
Inventor
James Lyle Hazen
Assignee (at issue)
Rhone-Poulenc, 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.