Granted Patent
Utility
US 5,187,228 · App. 07/673,876
Stabilizer for compatibilized polycarbonate and polyamide polymer blends
Inventors:
Peter J. Perron, Khemchand Nangrani, Ed Bourbonais
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Mar 22, 1991
Inventors
Peter J. Perron
Khemchand Nangrani
Ed Bourbonais
Assignee (at issue)
THE DEXTER 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.