Granted Patent
Utility
US 6,150,493 · App. 08/934,628
Process for the preparation of poly(ester-carbonate)s
Inventors:
Sukhendu Bikash Hait, Swaminathan Sivaram
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Sep 19, 1997
Inventors
Sukhendu Bikash Hait
Swaminathan Sivaram
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.