Granted Patent
Utility
US 5,348,725 · App. 07/754,770
Method of making pillared hydrotalcites and associated products
Inventors:
Chanakya Misra, Anthony J. Perrotta
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Sep 4, 1991
Inventors
Chanakya Misra
Anthony J. Perrotta
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.