Granted Patent
Utility
US 6,262,135 · App. 09/291,153
Polyurethane foam containing a blend of monomeric and oligomeric flame retardants
Inventors:
Larry Bradford, Emanuel Pinzoni, Barbara A. Williams, Theodore Halchak
Patented Case
View Patent ↗
Granted: Jul 17, 2001
Filed: Apr 12, 1999
Inventors
Larry Bradford
Emanuel Pinzoni
Barbara A. Williams
Theodore Halchak
Assignee (at issue)
AKZO NOBEL N.V.
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.