Granted Patent
Utility
US 5,514,767 · App. 08/281,965
Hot-melt polycondensation method for manufacturing a polycarbonate composition
Inventors:
Takeshi Sakashita, Tomoaki Shimoda, Takashi Nagai, Kenichi Tominari, Akio Kanezawa
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Jul 28, 1994
Inventors
Takeshi Sakashita
Tomoaki Shimoda
Takashi Nagai
Kenichi Tominari
Akio Kanezawa
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.