Granted Patent
Utility
US 6,676,849 · App. 10/386,415
Low yellowing scorch inhibitor composition
Inventor:
John M. DeMassa
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Mar 11, 2003
Inventor
John M. DeMassa
Assignee (at issue)
R.T. Vanderbilt Company, Inc.
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.