Granted Patent
Utility
US 5,514,737 · App. 08/345,558
Fiber treatment composition, fiber treated thereby, and a method of treating fiber thereby
Inventors:
Masahiro Sano, Shigeru Ohyama, Fumioki Fukatsu
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Nov 28, 1994
Inventors
Masahiro Sano
Shigeru Ohyama
Fumioki Fukatsu
Assignee (at issue)
Idemitsu Petrochemical Co., Ltd.
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.