Granted Patent
Utility
US 5,919,745 · App. 08/893,866
Liquid laundry detergent composition containing nonionic and amphoteric surfactants
Inventors:
Francis R. Cala, Charles D. Carr, John Ip
Patented Case
View Patent ↗
Granted: Jul 6, 1999
Filed: Jul 11, 1997
Inventors
Francis R. Cala
Charles D. Carr
John Ip
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.