Granted Patent
Utility
US 4,753,987 · App. 06/870,268
Carbonamide modified thermoplastic elastomer-polyoxazoline molding compositions
Inventor:
Barry D. Dean
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Jun 3, 1986
Inventor
Barry D. Dean
Assignee (at issue)
Arco Chemical Company
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.