Granted Patent
Utility
US 6,265,521 · App. 09/632,675
Method for preparing polyether polymers of predetermined molecular
Inventors:
Thomas Joseph Fyvie, Peter D. Phelps, Paul Edward Howson, Donald Frank Rohr, Ganesh Kailasam, Elliott West Shanklin
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Aug 7, 2000
Inventors
Thomas Joseph Fyvie
Peter D. Phelps
Paul Edward Howson
Donald Frank Rohr
Ganesh Kailasam
Elliott West Shanklin
Assignee (at issue)
General Electric Company
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.