Granted Patent
Utility
US 6,211,402 · App. 09/214,473
Phosphinic acid aluminum salts
Inventor:
Hans-Jerg Kleiner
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Feb 16, 1999
Inventor
Hans-Jerg Kleiner
Assignee (at issue)
Ticona LLC
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.