Granted Patent
Utility
US 6,489,372 · App. 09/690,596
Polycarbonate isolation through homogenization devolatization
Inventors:
Qiwei He, Paul R. Wilson, Paul William Buckley, Allen Wai Yee Ko, Larry A. Divins, William L. Gately, Ganesh Kailasam
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Oct 17, 2000
Inventors
Qiwei He
Paul R. Wilson
Paul William Buckley
Allen Wai Yee Ko
Larry A. Divins
William L. Gately
Ganesh Kailasam
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.