Granted Patent
Utility
US 5,973,103 · App. 09/177,023
Continuous interfacial method for preparing aromatic polycarbonates
Inventors:
James Manio Silva, Thomas Joseph Fyvie
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Oct 22, 1998
Inventors
James Manio Silva
Thomas Joseph Fyvie
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.