Granted Patent
Utility
US 5,194,577 · App. 07/805,456
Composition comprising crystallizable polyamide from terephthalic acid, adipic acid, aliphatic diamine and m-xylylene diamine
Inventor:
Yu-Tsai Chen
Patented Case
View Patent ↗
Granted: Mar 16, 1993
Filed: Dec 10, 1991
Inventor
Yu-Tsai Chen
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.