Granted Patent
Utility
US 5,391,681 · App. 08/068,376
Curable compositions based on epoxy resins or mixtures of epoxy resins and polyisocyanates containing trisimidazolyl triazines
Inventors:
Andreas Muhlebach, Peter Flury
Patented Case
View Patent ↗
Granted: Feb 21, 1995
Filed: May 27, 1993
Inventors
Andreas Muhlebach
Peter Flury
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.