Granted Patent
Utility
US 5,087,665 · App. 07/453,557
Toughened, hydrolysis resistant polycarbonate/polyester blends
Inventors:
James Y. J. Chung, John J. Charles, Nelson R. Lazear
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Dec 20, 1989
Inventors
James Y. J. Chung
John J. Charles
Nelson R. Lazear
Assignee (at issue)
Mobay Corporation
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.