Granted Patent
Utility
US 5,798,327 · App. 08/752,108
Enzymatic detergent compositions
Inventors:
Eric Casteleijn, Willem Van Dijk, Jan Klugkist, Pieter Dirk van Wassenaar
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Nov 20, 1996
Inventors
Eric Casteleijn
Willem Van Dijk
Jan Klugkist
Pieter Dirk van Wassenaar
Assignee (at issue)
Lever Brothers Company
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.