Granted Patent
Utility
US 5,977,047 · App. 09/087,940
Carbonate built laundry detergent containing a carboxylic polymer as an antiencrustation agent
Inventor:
Charles D. Carr
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: May 28, 1998
Inventor
Charles D. Carr
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.