Granted Patent
Utility
US 6,825,316 · App. 10/291,139
Amorphous polyether glycols based on bis-substituted oxetane and tetrahydrofuran monomers
Inventors:
Aslam A. Malik, Thomas G. Archibald, Roland P. Carlson, Kenneth J. Wynne, Edward N. Kresge
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Nov 8, 2002
Inventors
Aslam A. Malik
Thomas G. Archibald
Roland P. Carlson
Kenneth J. Wynne
Edward N. Kresge
Assignees (at issue)
AEROJET-GENERAL CORPORATION
Omnova Solutions, 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.