Granted Patent
Utility
US 4,549,008 · App. 06/640,281
Novel tetraglycidyl ethers
Inventors:
Alfred Renner, Peter Grutter, Rolf Hugi
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Aug 13, 1984
Inventors
Alfred Renner
Peter Grutter
Rolf Hugi
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.