Granted Patent
Utility
US 5,130,436 · App. 07/404,930
2-fluoro-1-methylpyridinium salt activated diols and polyols as cross-linkers
Inventors:
That T. Ngo, Faizy Ahmed
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Sep 8, 1989
Inventors
That T. Ngo
Faizy Ahmed
Assignee (at issue)
UniSyn Fibertec 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.