Granted Patent
Utility
US 5,268,119 · App. 07/775,221
Machine dishwashing detergent having a reduced condensed phosphate content
Inventors:
Madeline P. Simpson, Raymond Brown, Anthony E. Winston, Louis Kubian
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Oct 11, 1991
Inventors
Madeline P. Simpson
Raymond Brown
Anthony E. Winston
Louis Kubian
Assignee (at issue)
Church & Dwight Co., 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.