Granted Patent
Utility
US 6,504,002 · App. 09/683,410
Process for the production of branched melt polycarbonate by late addition of fries-inducing catalyst
Inventors:
Dennis Karlik, Hans-Peter Brack, Hendrik Verhoogt, John Patrick Lemmon, Jan Henk Kamps, Willem L. Sederel, Johannes Martinus Dina Goossens
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Dec 21, 2001
Inventors
Dennis Karlik
Hans-Peter Brack
Hendrik Verhoogt
John Patrick Lemmon
Jan Henk Kamps
Willem L. Sederel
Johannes Martinus Dina Goossens
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.