Granted Patent
Utility
US 5,019,290 · App. 07/362,561
Method of formulating high caustic paste dishwashing compositions made compositions thereby, wherein phosphate reversion is minimized
Inventors:
Anthony J. Bruegge, Denny E. Daugherty, Terrence J. Sabatelli
Patented Case
View Patent ↗
Granted: May 28, 1991
Filed: Jun 7, 1989
Inventors
Anthony J. Bruegge
Denny E. Daugherty
Terrence J. Sabatelli
Assignee (at issue)
Dubois Chemicals, 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.