Granted Patent
Utility
US 5,741,338 · App. 08/813,250
Biodegradable dye leveler compounds for acrylic fibers
Inventor:
Terry E. Singleton
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Mar 7, 1997
Inventor
Terry E. Singleton
Assignee (at issue)
High Point Chemical Corp.
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.