Granted Patent
Utility
US 5,084,498 · App. 07/596,552
Process for stabilizing copolymers of ethylenically unsaturated fluoro compounds with vinyl ethers
Inventor:
Norman M. van Gulick
Patented Case
View Patent ↗
Granted: Jan 28, 1992
Filed: Oct 17, 1990
Inventor
Norman M. van Gulick
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.