Granted Patent
Utility
US 5,491,179 · App. 08/344,449
Thermally stable, gamma radiation-resistant blend of polycarbonate with polyester
Inventor:
James P. Mason
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Nov 23, 1994
Inventor
James P. Mason
Assignee (at issue)
Bayer Aktiengesellschaft
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.