Granted Patent
Utility
US 6,447,755 · App. 09/589,653
Process for making toothpaste using low levels of carrageenan
Inventor:
Arthur D. Ballard
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Jun 8, 2000
Inventor
Arthur D. Ballard
Assignee (at issue)
FMC CORPORATION
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.