Granted Patent
Utility
US 5,403,516 · App. 08/112,866
Surfactant blends for detergent compositions
Inventors:
Patricia E. Bator, Barry A. Salka
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Aug 26, 1993
Inventors
Patricia E. Bator
Barry A. Salka
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.