Granted Patent
Utility
US 4,540,738 · App. 06/679,159
Acrylic adhesive composition comprising an alpha amino phosphonic acid or salt having improved stability
Inventor:
William D. Zimmermann
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Dec 7, 1984
Inventor
William D. Zimmermann
Assignee (at issue)
The Kendall Company LP
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.