Granted Patent
Utility
US 6,008,283 · App. 09/044,286
Oligomeric flame retardant additive
Inventors:
Richard S. Rose, Gurudas Zingde, David M. Hemmerly
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Mar 19, 1998
Inventors
Richard S. Rose
Gurudas Zingde
David M. Hemmerly
Assignee (at issue)
Great Lakes Chemical Corp.
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.