Granted Patent
Utility
US 6,350,846 · App. 09/681,752
Aromatic-aliphatic copolycarbonates and method
Inventor:
Sukhendu Bikash Hait
Patented Case
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Granted: Feb 26, 2002
Filed: May 31, 2001
Inventor
Sukhendu Bikash Hait
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.