Granted Patent
Utility
US 5,888,960 · App. 08/680,895
Surfactant composition
Inventors:
Virginia Lazarowitz, Mary Frances Frazer
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Jul 16, 1996
Inventors
Virginia Lazarowitz
Mary Frances Frazer
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.