Granted Patent
Utility
US 5,225,115 · App. 07/597,535
Bromide intercalated hydrotalcite for use as a flame retardant, smoke suppressant additive
Inventors:
Lawrence L. Musselman, Chanakya Misra, Donald K. Grubbs, Donald R. Smith
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Oct 15, 1990
Inventors
Lawrence L. Musselman
Chanakya Misra
Donald K. Grubbs
Donald R. Smith
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.