Granted Patent
Utility
US 4,764,568 · App. 06/885,612
Crosslinkable polyether resins having aralkoxy end groups
Inventor:
Sameer H. Eldin
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Jul 14, 1986
Inventor
Sameer H. Eldin
Assignee (at issue)
Ciba-Geigy
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.