Granted Patent
Utility
US 6,747,119 · App. 10/107,149
Method and system for preparing a polycarbonate, copolymerization reagent and polycarbonate
Inventors:
Hans-Peter Brack, Dennis Karlik, Theodorus Lambertus Hoeks, John Morgan Whitney
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Mar 28, 2002
Inventors
Hans-Peter Brack
Dennis Karlik
Theodorus Lambertus Hoeks
John Morgan Whitney
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.