Granted Patent
Utility
US 5,648,528 · App. 08/476,725
Saturated fluoroalkylamines and their derivatives, and mixtures thereof
Inventors:
Gunter Prossel, Wolfgang Knaup, Frank Wehowsky
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Jun 7, 1995
Inventors
Gunter Prossel
Wolfgang Knaup
Frank Wehowsky
Assignee (at issue)
Hoechst GmbH
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.