Granted Patent
Utility
US 4,389,515 · App. 06/330,414
Curable polyepoxide-unsaturated monomer compositions suitable for use in rim processes
Inventors:
Harold E. De La Mare, Thomas F. Brownscombe
Patented Case
View Patent ↗
Granted: Jun 21, 1983
Filed: Dec 14, 1981
Inventors
Harold E. De La Mare
Thomas F. Brownscombe
Assignee (at issue)
SHELL OIL 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.