Granted Patent
Utility
US 5,281,648 · App. 07/923,511
Flame-retarded abs formulations with high impact strength
Inventors:
David K. Doucet, Janet Jones, Susan D. Landry, F. Alexander Pettigrew, Jon Shannon Reed, James E. Torres
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Aug 3, 1992
Inventors
David K. Doucet
Janet Jones
Susan D. Landry
F. Alexander Pettigrew
Jon Shannon Reed
James E. Torres
Assignee (at issue)
Ethyl Corporation
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.