Granted Patent
Utility
US 5,082,897 · App. 07/452,926
Polymer blends of polycarbonate, PCTG and ABS
Inventor:
Kishore Udipi
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Dec 15, 1989
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.