Granted Patent
Utility
US 6,307,097 · App. 09/424,387
Method for producing aluminum salts of cyclic phosphinic acids
Inventor:
Thomas Seitz
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Mar 6, 2000
Inventor
Thomas Seitz
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.