Granted Patent
Utility
US 5,789,365 · App. 08/755,509
Detergent compositions containing soil release polymers
Inventors:
Wilfried Blokzijl, Andrew Martin Creeth, Mohamad S. Falou, Andrew David Green, Michael N. Hull, Reginald V. Scowen
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Nov 22, 1996
Inventors
Wilfried Blokzijl
Andrew Martin Creeth
Mohamad S. Falou
Andrew David Green
Michael N. Hull
Reginald V. Scowen
Assignee (at issue)
Lever Brothers Company, division of Conopco, 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.