Granted Patent
Utility
US 5,576,470 · App. 08/297,282
Polyol esters of ether carboxylic acids and fiber finishing methods
Inventors:
F. Norman Tuller, Michael E. Allen
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Aug 29, 1994
Inventors
F. Norman Tuller
Michael E. Allen
Assignee (at issue)
Henkel Limited
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.