Granted Patent
Utility
US 5,484,583 · App. 08/278,581
Filler material containing an anion substituted hydrotalcite
Inventors:
Donald K. Grubbs, Peter Valente
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Jul 21, 1994
Inventors
Donald K. Grubbs
Peter Valente
Assignee (at issue)
Aluminum Company of America
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.