Granted Patent
Utility
US 6,545,089 · App. 08/923,650
Impact modified carbonnate polymer composition having improved resistance to degradation and improved thermal stability
Inventors:
James L. DeRudder, Robert R. Gallucci
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Sep 4, 1997
Inventors
James L. DeRudder
Robert R. Gallucci
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.