Granted Patent
Utility
US 6,015,547 · App. 09/222,101
Stable solution of zinc ions and bicarbonate and/or carbonate ions
Inventor:
Benny S. Yam
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Dec 29, 1998
Inventor
Benny S. Yam
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.