Granted Patent
Utility
US 5,364,680 · App. 08/043,643
Process for selectively absorbing oily contaminants
Inventor:
James D. Cotton
Patented Case
View Patent ↗
Granted: Nov 15, 1994
Filed: Apr 6, 1993
Inventor
James D. Cotton
Assignee (at issue)
Kimberly-Clark Inc.
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.