Granted Patent
Utility
US 5,714,552 · App. 08/217,084
Process for making epichlorohydrin resins
Inventor:
Barton K. Bower
Patented Case
View Patent ↗
Granted: Feb 3, 1998
Filed: Mar 24, 1994
Inventor
Barton K. Bower
Assignee (at issue)
HERCULES LLC
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.