Granted Patent
Utility
US 6,218,008 · App. 09/660,520
Easy dyeable polyester fiber
Inventors:
Yang-Kuk Son, Hyoung-Jao Lee, Jung Min Kim
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Sep 12, 2000
Inventors
Yang-Kuk Son
Hyoung-Jao Lee
Jung Min Kim
Assignee (at issue)
HYOSUNG 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.