Granted Patent
Utility
US 5,606,006 · App. 08/629,310
Trisepoxy resin compositions
Inventor:
Pen-Chung Wang
Patented Case
View Patent ↗
Granted: Feb 25, 1997
Filed: Apr 8, 1996
Inventor
Pen-Chung Wang
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.