Granted Patent
Utility
US 6,072,011 · App. 08/346,325
Polycarbonate-polysiloxane block copolymers
Inventor:
James Franklin Hoover
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Nov 29, 1994
Inventor
James Franklin Hoover
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.