Granted Patent
Utility
US 5,200,434 · App. 07/815,827
Amide derivatives of alkylene oxide polyethers and their uses in polyurethane foam manufacture
Inventors:
Frederick E. Bailey, Jr., Harry R. Hinney, Paul L. Matlock, Reinhart Schiffauer
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Dec 30, 1991
Inventors
Frederick E. Bailey, Jr.
Harry R. Hinney
Paul L. Matlock
Reinhart Schiffauer
Assignee (at issue)
Union Carbide Chemicals & Plastics Technology LLC
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.