Granted Patent
Utility
US 5,635,558 · App. 08/478,718
Polyamide-polyarlene sulfide blends
Inventors:
Yu-Tsai Chen, David P. Sinclair
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Jun 7, 1995
Inventors
Yu-Tsai Chen
David P. Sinclair
Assignee (at issue)
Amoco 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.