Granted Patent
Utility
US 6,191,094 · App. 09/186,273
Aqueous cleaning composition for cleaning substrates and method of using same
Inventors:
Francis R. Cala, Richard A. Reynolds
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Nov 5, 1998
Inventors
Francis R. Cala
Richard A. Reynolds
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.