Granted Patent
Utility
US 6,663,854 · App. 10/175,250
Aluminum-zirconium antiperspirant salts made with zirconium salts having low Zr:Cl ratio
Inventors:
Yan-Fei Shen, Richard Oryszczak, Angel L. Carrillo
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Jun 19, 2002
Inventors
Yan-Fei Shen
Richard Oryszczak
Angel L. Carrillo
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.