Granted Patent
Utility
US 5,187,230 · App. 07/742,567
Rubber-modified polymer blends of polycarbonate and PETG
Inventor:
Kishore Udipi
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Aug 7, 1991
Inventor
Kishore Udipi
Assignee (at issue)
Monsanto 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.