Granted Patent
Utility
US 5,571,446 · App. 08/508,124
Anionic stabilized enzyme based clean-in-place system
Inventor:
Carol A. Rouillard
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: Jul 27, 1995
Inventor
Carol A. Rouillard
Assignee (at issue)
DIVERSEY, 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.